MP4056GS

MP4056
TRIAC Dimmable, Non-isolated
Offline LED Controller with Active PFC
The Future of Analog IC Technology
DESCRIPTION
FEATURES
The MP4056 is a non-isolated, TRIACdimmable, offline LED controller with active
PFC. It outputs an accurate LED current for an
non-isolated lighting application with a singlestage converter.
•
The
MP4056
implements
power-factor
correction and works in boundary-conduction
mode to reduce MOSFET switching losses.
The adaptive dimmer type detection and phasecut-based dimming control achieves good
dimmer compatibility and deep dimming range.
The MP4056 has an integrated charging circuit
at the supply pin for fast start-up without a
perceptible delay.
With the unique control of DIM, the MP4056
supports color temperature and brightness
control for warm sunset dimming application.
The MP4056 has multiple protections that
greatly enhance system reliability and safety,
including output over-voltage protection, output
short-circuit protection, over-current protection,
programmable
thermal
fold-back
(MSOP10/SOIC14), ZCD pin short circuit
protection, supply-pin under-voltage lockout,
and over-temperature protection.
All fault protections feature auto-restart.
The MP4056 is available in SOIC-8/MSOP10/SOIC-14 package.
MP4056 Rev. 1.0
11/25/2014
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Adaptive Dimmer Type Detection and
Phase-Cut-Based Dimming Control
Good Dimmer Compatibility and Deep
Dimming Range
PWM Input Analog Dimming
Fast Start-Up without Perceptible Delay
Programmable Current Fold-back to
Prolong the LED lifetime (NTC)
Color Temperature and Brightness Control
for Warm Sunset Dimming application
Accurate Line & Load Regulation
High Power Factor
Operates in Boundary Conduction Mode
Cycle-by-Cycle Current Limit
Over-current Protection
Output Over-Voltage Protection
Output Short-Circuit Protection
ZCD Pin Short-Circuit Protection
Over-Temperature Protection
Available in SOIC-8/MSOP-10/SOIC-14
Package
APPLICATIONS
•
•
•
Solid-State Lighting up to 50W
Industrial and Commercial Lighting
Residential Lighting
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
1
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL APPLICATION
SOIC8
SOIC14 and MSOP10
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
2
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ORDERING INFORMATION
Part Number
MP4056GS*
MP4056GK**
MP4056GSE***
Package
SOIC-8
MSOP-10
SOIC-14
Top Marking
See Below
* For Tape & Reel, add suffix –Z (e.g. MP4056GS–Z)
** For Tape & Reel, add suffix –Z (e.g. MP4056GK–Z)
*** For Tape & Reel, add suffix –Z (e.g. MP4056GSE–Z)
TOP MARKING (SOIC-8)
MP4056: first six digits of the part number;
LLLLLLLL: lot number;
MPS : MPS prefix:
Y: year code;
WW: week code:
TOP MARKING (MSOP-10)
Y: year code;
W: week code:
LLL: lot number;
M4056: first five digits of the part number;
TOP MARKING (SOIC-14)
MPS : MPS prefix:
YY: year code;
WW: week code:
MP4056: first six digits of the part number;
LLLLLLLLL: lot number;
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
3
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
PACKAGE REFERENCE
TOP VIEW
TOP VIEW
TOP VIEW
MULT
1
8
COMP
ZCD
2
7
GND
VCC
3
6
S
DAMP
4
5
D
NC
1
14
NC
MULT
2
13
COMP
GND
ZCD
3
12
GND
8
NTC
VCC
4
11
NTC
S
DAMP
5
10
S
DIM
6
9
D
NC
7
8
NC
MULT
1
10
COMP
ZCD
2
9
VCC
3
DAMP
4
7
5
6
DIM
MSOP10
SOIC8
ABSOLUTE MAXIMUM RATINGS (1)
Input Voltage VCC ....................... -0.3V to +30V
Low-Side MOSFET Drain to Source Voltage
................................................... -0.7V to +30V
Damp Pin Voltage .................... -0.3V to +16.5V
Other Analog Inputs and Outputs .. -0.3V to 6.5V
ZCD Pin Current ......................... -5mA to +5mA
Continuous Power Dissipation
(TJ = +25°C)(2)
SOIC8........................................................1.3W
SOIC14 .................................................... 1.45W
MSOP10 .................................................. 0.83W
Junction Temperature .............................. 150°C
Lead Temperature ................................... 260°C
Storage Temperature ............... -65°C to +150°C
Recommended Operating Conditions
D
(3)
Thermal Resistance
SOIC14
(4)
θJA
θJC
SOIC-8 ................................... 96 ...... 45 ... °C/W
MSOP-10 .............................. 150 ..... 65 ... °C/W
SOIC-14 ................................. 86 ...... 38 ... °C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature TJ (MAX), the junction-toambient thermal resistance θJA, and the ambient temperature
TA. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by PD (MAX) = (TJ
(MAX)-TA)/θJA. Exceeding the maximum allowable power
dissipation will cause excessive die temperature, and the
regulator will go into thermal shutdown. Internal thermal
shutdown circuitry protects the device from permanent
damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.
Supply Voltage VCC ........................ 11V to 27V
Operating Junction Temp (TJ). . -40°C to +125°C
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
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© 2014 MPS. All Rights Reserved.
4
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ELECTRICAL CHARACTERISTICS
Typical values are VCC =20V, TJ = 25°C, unless otherwise noted.
Minimum and maximum values are at VCC =20V, TJ = -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter
Supply Voltage
Symbol
Operating Range
VCC
VCC Upper Level: Internal
Charging Circuit Stops and IC
Turns On
VCC Lower Level: Internal
Charging Circuit Triggers
VCC Re-charge and IC turns off
Level in Fault Condition
Supply Current
VCC Charging Current from D
Pull Down Current at
VCC_UVLO
After turn on
Min
Typ
11
Max
Units
27
V
VCCH
9.5
10
10.5
V
VCCL
8.55
9
9.45
V
6.55
7
7.45
V
13
25
40
mA
0.95
1.25
1.8
mA
800
1300
µA
340
620
µA
1
2
mA
3
V
VCCEN
ID
CHARGE
Fault condition
VD=16V, VCC=5V
IVCC_PULL _DOWN VCC=9V, Rising
IQ
No switching, VCC=15V
IQ_FAULT
ICC
Fault condition, IC latch,
VCC=15V
fs =70kHz, VCC=15V
VMULT
VCOMP from 1.9V to 4.9V
Quiescent Current
Quiescent Current at Fault
Condition
Operating Current
220
Multiplier
Linear Operation Range
VCOMP=2V, VMULT=0.5V
0.90
1.28
1.60
1/V
VCOMP=2V, VMULT=1.5V
0.90
1.25
1.60
1/V
VCOMP=2V, VMULT=3V
0.90
1.24
1.60
1/V
VMULT_OFF
0.08
0.10
0.12
V
VMULT_ON
0.26
0.28
0.30
V
DOFF_LEB
28%
30%
33%
(5)
Gain
K
TRIAC Dimming Phase Off
Detection Threshold
TRIAC Dimming Phase On
Detection Threshold
TRIAC Dimming Off Line-Cycle
Blanking Ratio
Dimming Pull-Down Turn on
Threshold
Dimming Pull-Down Turn off
Threshold
Leading Edge Dimming
Detection Low Threshold
Leading Edge Dimming
Detection High Threshold
MP4056 Rev. 1.0
11/25/2014
0
VMULT
DP ON TL
Trailing edge dimmer
0.43
0.45
0.47
V
VMULT
DP ON LD
Leading edge dimmer
0.22
0.25
0.28
V
VMULT
DP OFF TL
Trailing edge dimmer
0.26
0.28
0.30
V
VMULT
DP OFF LD
Leading edge dimmer
0.32
0.35
0.38
V
VMULT_LD_LOW
0.08
0.10
0.12
V
VMULT_LD_HIGH
0.26
0.28
0.30
V
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© 2014 MPS. All Rights Reserved.
5
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ELECTRICAL CHARACTERISTICS (continued)
Typical values are VCC =20V, TJ = 25°C, unless otherwise noted.
Minimum and maximum values are at VCC =20V, TJ = -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter
Symbol
Trailing
Edge
Dimming
Detection High Threshold
VMULT_TL_HIGH
Condition
Rising, VMULT_PK≥0.58V
Falling, VMULT PK≥0.50V
Rising,
0.58V>VMULT_PK≥0.53V
Falling,
0.50V>VMULT PK≥0.45V
Rising,
0.53V>VMULT_PK≥0.48V
Falling,
(6)
0.45V> VMULT PK≥0.40V
Min
Typ
Max
Units
0.43
0.45
0.47
V
0.38
0.4
0.42
V
Rising,
0.48V>VMULT_PK≥0.43V
Falling,
(6)
0.40V>VMULT PK≥0.35V
Rising,
0.43V>VMULT_PK≥0.38V
Falling,
(6)
0.35V>VMULT PK≥0.30V
Trailing Edge Dimming
VMULT_TL_H_HYS
Detection High Threshold
Hysteresis
Trailing Edge Dimming
VMULT_TL_LOW
Detection Low Threshold
Leading Edge dimmer detection
Rising
tLEADING
Time threshold
Trailing Edge dimmer detection
tTRAILING
Falling
Time threshold
0.35
V
0.3
V
0.25
V
80
mV
0.08
0.10
0.12
V
86
100
134
µs
388
450
602
µs
0.400
0.414
0.428
V
Error Amplifier
Reference Voltage
VREF
Transconductance
GEA
Guaranteed by design
VCOMPL_LD
Leading edge dimmer
1.83
1.88
1.94
V
VCOMPL_TL
Trailing edge dimmer
1.53
1.58
1.64
V
VCOMPL_N
No dimmer
1.53
1.58
1.64
V
VCOMPL_NTC≤1.0V NTC≤1.0V
1.44
1.49
1.55
V
COMP Lower Clamp Voltage
130
µA/V
Max. Source Current
ICOMP+
57
µA
Max. Sink Current without
Dimmer
ICOMP-
200
µA
Sink Current at TRIAC
Dimming Off
MP4056 Rev. 1.0
11/25/2014
ISINK_DIM_LD
Leading Edge Dimmer
85.50
µA
ISINK_DIM_TL
Trailing Edge Dimmer
155
µA
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© 2014 MPS. All Rights Reserved.
6
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ELECTRICAL CHARACTERISTICS (continued)
Typical values are VCC =20V, TJ = 25°C, unless otherwise noted.
Minimum and maximum values are at VCC =20V, TJ = -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Current Sense Comparator
Leading-Edge-Blanking Time
tLEB
350
500
750
ns
Over-Current-Protection
Leading-Edge-Blanking Time
Over-Current-Protection
Threshold
Current Sense Upper Clamp
Voltage
Current Sense Lower Clamp
Voltage
tLEB_OCP
260
350
550
ns
VOCP
2.56
2. 70
2.86
V
VS CLAMP H
1.97
2.07
2.17
V
VS CLAMP L
0.01
0.035
0.09
V
0.27
0.30
0.33
V
550
590
625
mV
78
100
122
mV
Zero-Current Detector
Zero-Current–Detect Threshold
VZCD
T
Zero-Current–Detect Hysteresis
VZCD
ZCD Pin Short Circuit
Threshold
ZCD Pin Short Circuit Blanking
time
VZCD_SC
Zero-Current–Detect LEB
Over-Voltage Threshold
OVP Detect LEB
Minimum Off Time
Weak/Strong DP Mode detector
current (for leading edge
dimmer)
Strong DP Mode Enable
Threshold (for leading edge
dimmer)
Weak/Strong
DP
Mode
Detection Time (for leading
edge dimmer)
Falling Edge
HYS
tZCD_SC_LEB
tZCD_LEB
VZCD
33
Starts at Gate Turn Off
when VMULT O ≥0.25V
1.90
2.30
3.36
µs
Starts at Gate Turn Off
when VMULT 0 <0.25V
0.95
1.18
1.68
µs
4.90
5.30
5.70
V
Starts at Gate Turn Off
when VMULT O≥0.25V
1.90
2.30
3.36
µs
Starts at Gate Turn Off
when VMULT O <0.25V
0.95
1.18
1.68
µs
4
5.3
8
µs
OVP
tOVP_LEB
tOFF_MIN
ms
Normal
NTC≤1.0V
10
µs
IDP_DET_LD
140
180
220
µA
VEN_DP_STR_LD
1.13
1.18
1.23
V
tDP_DET_LD
150
215
320
µs
tSTART
100
130
165
µs
Starter
Start Timer Period
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
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© 2014 MPS. All Rights Reserved.
7
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ELECTRICAL CHARACTERISTICS (continued)
Typical values are VCC =20V, TJ = 25°C, unless otherwise noted.
Minimum and maximum values are at VCC =20V, TJ = -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Internal Main MOSFET
Breakdown Voltage
BVDSS
Drain-Source On-Resistor
RDS(ON)_MAIN
MAIN
VGS=0
30
V
ID=100mA, TJ=25 °C,
250
mΩ
ID=100mA, TJ=25 °C,
VCC= VCCEN +50mV
250
mΩ
Internal OVP Pull Up MOSFET
Breakdown Voltage
Continue Drain Current
BVDSS
D VCC
ID_D-VCC
30
V
10
17
27
mA
IDP_STRONG_LD
27
35
43
mA
IDP_WEAK_LD
8
10
12
mA
IDP_TL
133
150
167
mA
Internal Dimming Pull Down Current Source
Strong Dimming Pull Down
Current for leading edge
dimmer
Weak Dimming Pull Down
Current for leading edge
dimmer
Pull Down Current for Trailing
edge dimmer
Min Clamp Ratio of Pull Down
Current for Trailing edge
dimmer (I_Min/I_Normal)
NTC
13%
High Threshold Voltage
VH_NTC
1.14
1.2
1.36
V
Low Threshold Voltage
VL_NTC
0.70
0.80
0.90
V
Shutdown Threshold
VSD_NTC
0.32
0.38
0.44
V
Shutdown Voltage Hysteresis
VSD_NTC_HSY
80
100
120
mV
Pull Up Current Source
IPULL_UP_NTC
42
52
62
µA
Leakage Current
ILEAKAGE_NTC
1
µA
PWM Dimming Blanking Time
DAMP
Turn Off Threshold
Turn On Threshold
Pull Down Current
Pull Up Current
Upper Clamp Voltage
Min Pull Up Voltage
MP4056 Rev. 1.0
11/25/2014
tPWM_LEB
VMULT DAMP OFF
VMULT DAMP ON
IDAMP PULL DOWN VDAMP=5V
IDAMP PULL UP VDAMP=0.3V
VDAMP CLAMP UP
VCC= VCCEN +50mV
VDAMP_MIN
20
0.22
0.32
290
70
13
0.25
0.35
370
90
15
5.7
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© 2014 MPS. All Rights Reserved.
ms
0.28
0.38
450
110
16.5
V
V
µA
µA
V
V
8
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
ELECTRICAL CHARACTERISTICS (continued)
Typical values are VCC =20V, TJ = 25°C, unless otherwise noted.
Minimum and maximum values are at VCC =20V, TJ = -40°C to +125°C, unless otherwise noted,
guaranteed by characterization.
Parameter
Symbol
DIM
Source Current
Sink Current
High Level
Condition
IDIM SOURCE
IDIM SINK
VDIM HIGH
Low Level
Min
Typ
Max
Units
2
1.5
5.0
3
2.8
4
4
6.1
mA
mA
V
0.3
V
VDIM_LOW
Thermal Shutdown
(6)
Thermal Shutdown Threshold
TSD
150
℃
Thermal Shutdown Recovery
(6
Hysteresis
THYS
25
℃
Notes:
5) The multiplier output is given by: Vs=K•VMULT• (VCOMP-1.5)
6) Guaranteed by characterization.
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
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© 2014 MPS. All Rights Reserved.
9
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL CHARACTERISTICS
Reference Voltage vs.
Junction Temperature
0.4170
VREF (V)
0.4165
0.4160
0.4155
0.4150
0.4145
-50
MP4056 Rev. 1.0
11/25/2014
0
50
100
150
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© 2014 MPS. All Rights Reserved.
10
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL PERFORMANCE CHARACTERISTICS
Based on the EVB model: EV4056-K-00B, Non-isolated Buck-Boost converter, 230VAC/50Hz
input, 36V/167mA output, TA=25°C, unless otherwise noted.
Conducted EMI L-Line
Conducted EMI N-Line
Radiated EMI
VIN = 230VAC/50Hz, Full Load,
RBW = 9kHz, MT = 20ms
VIN = 230VAC/50Hz, Full Load,
RBW = 9kHz, MT = 20ms
Tested by CDN,
VIN=230VAC/50Hz, Full Load
120
110
1 PK
CLRWR
2 AV
CLRWR
EN55015Q
1 MHz
100 kHz
10 MHz
120
100
90
TDS
80
1 PK
CLRWR
2 AV
CLRWR
100
90
TDS
1 PK
CLRWR
2 AV
CLRWR
70
60
6DB
CDN QP
40
40
30
30
30
20
20
20
10
10
10
0
0
30 MHz
Line Regulator
Full Load
VIN=230VAC/50Hz£‹Full load,
with different dimmers
180
140
100
Leading edge
80
Trailing edge
40
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
DIMMER ON DUTY
50.7
0
40.7
-0.5
30.7
20.7
VIN=(198-265)VAC/50Hz, Full Load
0.9
0.7
198 208 218 228 238 248 258
VIN (VAC)
THD vs. VIN
VIN=198-265VAC/50Hz, Full load
35
30
0.8
25
0.7
0.6
20
0.5
0.4
15
0.3
10
0.2
5
0.1
0
198 208 218 228 238 248 258
VIN (VAC)
MP4056 Rev. 1.0
11/25/2014
10.7
-1.5
198 208 218 228 238 248 258
VIN (VAC)
PF vs. VIN
VIN=(198-265)VAC/50Hz, Full Load
60.7
-1
20
Efficiency vs. VIN
70.7
0.5
120
300 MHz
80.7
1
160
30 MHz
90.7
1.5
200
6DB
50
40
9 kHz
TDS
60
6DB
50
30 MHz
SGL
90
70
EN55015A
100 MHz
100
60
Dimming Curve
IOUT (mA)
120
110
SGL
70
0
PF
10 MHz
80
9 kHz
1
1 MHz
80
50
60
100 kHz
110
SGL
0
198 208 218 228 238 248 258
VIN (VAC)
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© 2014 MPS. All Rights Reserved.
11
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Based on the EVB model: EV4056-K-00B, Non-isolated Buck-Boost converter, 230VAC/50Hz
input, 36V/167mA output, TA=25°C, unless otherwise noted.
Input Voltage and Current
Steady State
Steady State
VIN=230VAC/50Hz, Full Load
VIN=230VAC/50Hz, Full Load
VIN=230VAC/50Hz, Full Load
VMULT
500mV/div.
VMULT
500mV/div.
VMULT
500mV/div.
VCOMP
2V/div.
VDAMP
5V/div.
IIN
50mA/div.
VZCD
2V/div.
VCC
10V/div.
IOUT
100mA/div.
VIN Start Up
VIN=230VAC/50Hz, Full Load
VMULT
500mV/div.
VCC
10V/div.
VDAMP
5V/div.
IOUT
100mA/div.
VS
500mV/div.
Dimming Performance
Dimming Performance
Max dimming on phase
with leading-edge dimmer
VIN=230VAC/50Hz, with dimmer
Min dimming on phase
with leading-edge dimmer
VIN=230VAC/50Hz, with dimmer
VMULT
500mV/div.
VMULT
500mV/div.
VDAMP
1V/div.
VDAMP
1V/div.
VCOMP
2V/div.
IIN
100mA/div.
VCOMP
2V/div.
IIN
100mA/div.
Dimming Performance
Dimming Performance
OVP
Max dimming on phase
with trailing-edge dimmer
VIN=230VAC/50Hz, with dimmer
Min dimming on phase
with trailing-edge dimmer
VIN=230VAC/50Hz, with dimmer
LED Load Open then Recovery
VIN=230VAC/50Hz, Full Load
VMULT
500mV/div.
VMULT
500mV/div.
VDAMP
1V/div.
VDAMP
1V/div.
VCOMP
2V/div.
VCOMP
2V/div.
IIN
100mA/div.
IIN
100mA/div.
MP4056 Rev. 1.0
11/25/2014
VCC
10V/div.
VCOMP
1V/div.
VS
500mV/div.
VZCD
2V/div.
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12
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Based on the EVB model: EV4056-K-00B, Non-isolated Buck-Boost converter, 230VAC/50Hz
input, 36V/167mA output, TA=25°C, unless otherwise noted.
OCP
OCP
ZCD PIN Short Protection
LED+ Short to LED- then start up
VIN=230VAC/50Hz, Full Load
LED+ Short to LED- then Recovery
VIN=230VAC/50Hz, Full Load
Short ZCD PIN then start up
VIN=230VAC/50Hz, Full Load
VCC
10V/div.
VCC
10V/div.
VCOMP
1V/div.
VS
500mV/div.
VCOMP
1V/div.
VS
500mV/div.
VZCD
2V/div.
VZCD
2V/div.
MP4056 Rev. 1.0
11/25/2014
VCC
10V/div.
VCOMP
1V/div.
VS
500mV/div.
VZCD
2V/div.
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13
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
PIN FUNCTIONS
Pin #
Name
Description
SOIC8 SOIC14 MSOP10
1
2
1
MULT
2
3
2
ZCD
3
4
3
VCC
4
5
4
DAMP
NA
6
5
DIM
5
9
6
D
6
10
7
S
NA
11
8
NTC
7
12
9
GND
8
13
10
COMP
1,7,8,14
MP4056 Rev. 1.0
11/25/2014
One of the Internal Multiplier’s Inputs. Connect to the tap of resistor
divider from the rectified voltage of the AC line. The half-wave sinusoid
signal on this pin provides a reference signal for the internal current
control loop. The MULT is also used for dimmer type and phase
detection.
Zero-Current Detection. A negative going edge triggers the internal
MOSFET’s turn-on signal. Connect to the tap of a resistor divider from
the auxiliary winding to GND. The over-voltage condition is detected from
ZCD. Over-voltage occurs if VZCD exceeds the over-voltage-protection
(OVP) threshold after a blanking time when the internal MOSFET turns
off. The ZCD is also used to select the Strong/Weak Dimming Pull Down
Current in leading edge dimming. Besides, the ZCD itself has short
circuit protection to prevent the device damage when output is open and
ZCD pin is short.
Supply Voltage. Supply power for both the control signal and the internal
MOSFET’s gate driver. Connect this pin to an external bulk capacitor—
typically 22µF.
Gate Control pin of the external Damping MOSFET.
Gate driver. DIM is used to control the color temperature and brightness
for warm sunset dimming or drive an external dummy load to enlarge the
dimming depth. It is the compliment signal to the TRIAC dimming; i.e. as
TRIAC commands less LED current, DIM duty cycle commands more.
Internal Low-Side main MOSFET Drain. It is connected to the source of
the external high-side MOSFET. This pin is also internally connected to
VCC through a diode and a JFET to form an internal charging circuit for
VCC. There is an internal series-connected MOS and diode to pull up the
D to VCC at fault condition to turn off the main switch reliably. There is
an intelligent dimming pull down current source on this pin.
Internal Low-Side main MOSFET Source. Connect a resistor from this
pin to GND to sense the internal MOSFET current. An internal
comparator compares the resulting voltage to the internal sinusoid
shaped current reference signal to determine when the MOSFET turns
off. If the voltage exceeds the upper current-clamp threshold after the
leading edge blanking time, the gate signal turns off. Over-current occurs
if S exceeds OCP threshold during the gate-on interval after the OCP
lead edge blanking time.
LED temperature protection input. Connecting a NTC resistor from this
pin to GND reduces the output current in high ambient temperature to
protect the LED and driver. Analog dimming is accomplished with an
external PWM signal through a resistor. A 1kΩ resistor is recommended.
Ground. Current return of the control signal and power signal.
Loop Compensation. Connect COMP to a compensation network
(typically a capacitor to ground) to stabilize the LED driver and accurately
control the LED driver current.
NC
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14
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
FUNCTION DIAGRAM
Figure 1: MP4056 Function Diagram
MP4056 Rev. 1.0
11/25/2014
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15
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
OPERATION
The MP4056 is a non-isolated TRIAC and PWM
dimmable, offline LED controller designed for
high-performance LED lighting. The adaptive
dimmer type detection and phase-cut-based
dimming control bring good dimmer compatibility
and deep dimming range. It achieves a high
power factor to eliminate noise pollution on the
AC line. The integrated VCC charging circuit
achieves fast start-up without any perceptible
delay. The programmable thermal current fold
back function prolongs the life time of the LED.
Because duty ratio varies inversely to the
dimming cycle, it easily supports color
temperature and brightness control for warm
sunset dimming applications. The MP4056 also
supports analog dimming with PWM input.
Boundary-Conduction Mode
During the external MOSFET on time (tON), the
rectified input voltage (VBUS) is applied to the
inductor (Lm), and the inductor current (ILm)
increases linearly from zero to the peak value
(Ipk). Then the external MOSFET turns off. The
energy stored in Lm forces the rectifier diode to
turn on, and the inductor current decreases
linearly from the peak value to zero. When the
current decreases to zero, the voltage drop on
the main MOSFET drain-to-source falls and
oscillates.
The
oscillation
frequency
is
determined by the inductor and the combined
parasitic capacitances. The resonance is
reflected on the auxiliary winding (see Figure 2).
VDS
VBUS+ VOUT
VBUS
I pk
ILm
+
Vcc
RZCD1
ZCD
VZCD_T
RZCD2
Figure 3: Zero-Current Detector
The zero-current detector generates the external
MOSFET turn-on signal when the ZCD voltage
falls below VZCD_T after a blanking time tZCD_LEB
and ensures the MOSFET turns on at a relatively
low voltage (see Figure 3).
As a result, there are relatively small switching on
losses and no diode reverse-recovery losses.
This ensures high efficiency and low EMI noise
Real-Current Control
The proprietary real-current–control method
allows the MP4056 to control the output LED
current based on the inductor current information.
The approximate output LED mean current can
be calculated as:
Io ≈
VREF
2 ⋅ Rs
Where:
• VREF is the internal reference voltage
(typically 0.414), and
• Rs is the sense resistor between the internal
MOSFET source and GND.
Power-Factor Correction
turn-on
toff
Auxiliary Winding
ton
I Lm
VZCD
0
The MULT pin is connected to the tap of a
resistor divider from the rectified instantaneous
line voltage, driving a sinusoidal multiplier output.
This signal provides the reference for the current
comparator, which shapes the primary-peak
current into a sinusoid and has the same phase
with the input line voltage. This guarantees a
high power factor.
Figure 2: Boundary-Conduction Mode
MP4056 Rev. 1.0
11/25/2014
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16
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
Figure 4: Power-Factor Correction
The multiplier’s maximum output voltage to the
current comparator is clamped to VS_CLAMP_H to
limit the cycle-by-cycle current. The multiplier’s
minimum output voltage is clamped to VS_CLAMP_L
to ensure a turn-on signal during the TRIAC
dimming OFF interval, which pulls down the
rectifier input voltage and accurately detects the
dimming phase.
VCC Timing Sequence
The VCC timing sequence is shown in Figure5.
Initially, VCC charges through the internal
charging circuit from the AC line. When VCC
reaches VCCH, the internal charging circuit stops
charging, the control logic initializes and the
internal main MOSFET begins to switch. The
auxiliary winding takes over the power supply.
However, the initial auxiliary-winding positive
voltage may not be large enough to charge VCC,
causing VCC to drop. Instead, if the VCC voltage
drops below VCCL threshold, the internal charging
circuit triggers and charges VCC to VCCH again.
This cycle repeats until the auxiliary winding
voltage is high enough to power VCC.
If any fault occurs during this time, the switching
and the internal charging circuit stops, and VCC
drops. When VCC decreases below VCCEN, the
internal re-charge is enabled to auto-restart.
Auto Start
The MP4056 contains an auto starter that starts
timing when the MOSFET turns off. If ZCD fails
to send a turn-on signal after tSTART, the starter
will automatically send a turn-on signal to avoid
unnecessary shutdown.
Minimum OFF Time
MP4056 operates with a variable switching
frequency; the frequency changes with the
instantaneous input line voltage. In order to limit
the maximum frequency and get a good EMI
performance, the MP4056 employs an internal
minimum off time.
Leading-Edge Blanking
In order to avoid premature switching-pulse
termination due to the parasitic capacitances
discharging when the MOSFET turns on, an
internal leading-edge-blanking (LEB) time is
introduced on S. The current comparator blocks
the input path from S pin during the blanking time.
Figure 6 shows the leading-edge blanking.
Output Over-Voltage Protection (OVP)
VS
t LEB
t
Figure 6: Leading-Edge Blanking
MP4056 Rev. 1.0
11/25/2014
Figure 5: VCC Timing Sequence
Output over-voltage protection (OVP) prevents
the components from over-voltage damage. The
auxiliary winding voltage’s positive plateau is
proportional to the output voltage, so the OVP
block monitors this auxiliary winding voltage to
apply an OVP function, as shown in Figure 7.
Once the ZCD pin voltage exceeds VZCD_OVP, the
OVP signal is triggered, the gate driver turns off,
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17
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
the IC works in its quiescent current mode. When
the VCC voltage drops below the UVLO
threshold, the IC shuts down and the system
restarts. The output OVP set point is calculated
as:
Vout _ ovp ⋅
time. The IC shuts down and restarts after VCC
drops below UVLO. The OCP function block
diagram is shown in Figure 9.
Naux
R ZCD2
⋅
= VZCD _ OVP
Nsec R ZCD1 + R ZCD2
Where:
Vout-ovp is the output OVP threshold,
Naux is the turns of auxiliary winding, and
Nsec is the turns of secondary winding
Figure 9: Over-Current Protection Circuit
LED Short Circuit Protection (SCP)
When the LED Short Circuit occurs, IC reduces
the switching frequency to 7kHz. The output
power at this condition is limited to a safe range.
ZCD Pin Short Circuit Protection
Figure 7: OVP Sampling Circuit
To avoid switch-off spikes mis-triggering OVP,
OVP sampling has a tOVP_LEB blanking period, as
shown in Figure 8.
If ZCD pin voltage is less than VZCD_SC lasts
longer than tZCD_SC_LEB, it is recognized as ZCD
pin short circuit. The MP4056 stops the switching
until VCC drops below UVLO and restarts.
Figure 8: ZCD Voltage and OVP Sampling
Cycle by Cycle Current Limit
There is cycle by cycle current limit on the S pin,
when the voltage on S pin reaches VS_CLAMP_H
after a blanking time, the switching will turn off to
limit the peak current value.
Over-Current Protection (OCP)
The S pin has an internally-integrated
comparator for inductor OCP. When the gate is
on, the comparator is enabled. Over-current
occurs when VS exceeds VOCP after a blanking
MP4056 Rev. 1.0
11/25/2014
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18
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
This prevents the components from over-voltage
damage if LED load opens while ZCD shorts at
the same time.
Thermal Shutdown
To prevent IC from thermal damage, the MP4056
latches off the switching cycle when the junction
temperature is higher than 150°C. When the
VCC drops below UVLO, it restarts again.
Adaptive Dimmer Type Detection
The MP4056 integrates adaptive dimmer type
detection to accurately detect which kind of
dimmer is connected at the system start-up,
leading edge dimmer, trailing edge dimmer or no
dimmer. The MP4056 works in different modes
depending on these dimmer types to achieve the
best dimmer compatibility at the highest
performance.
Phase-Cut-Based Dimming Control
The MP4056 implements phase-cut-based
dimming control (both for leading edge and
trailing edge dimmers). For
leading edge
dimmers, most of them are TRIAC-based. The
TRIAC dimmer usually consists of a bi-directional
SCR and an adjustable turn on phase. Figure 10
shows the leading-edge TRIAC dimmer
waveforms.
Figure 11: Trailing Edge Dimmer Waveforms
MP4056 detects the dimming turn-on cycle
through the MULT pin. Based on the turn-on
cycle, the control circuitry adjusts the internal
reference voltage. MULT voltage exceeding
VMULT_ON is recognized as a dimmer turn-on signal,
MULT voltage below VMULT_OFF is recognized as a
dimmer turn-off signal. MP4056 has a 30% linecycle-detection blanking time at each line cycle.
The real phase detector output adds this blanking
time to determine the reference voltage, if it is
higher than 100%, the reference voltage is
clamped to 100%, as shown in Figure 12. This
means if the turn-on cycle exceeds 70% of the
line cycle, the reference maintains the maximum
current value, which keeps the maximum output
current with different dimmers is almost the same
with the rated output current.
Input line
voltage before
TRIAC dimm er
Line voltage
after TRIAC
dimmer
Figure 12: Dimming Turn-On Cycle Detector
Rectified line
voltage
Dimmer
turn on
phase
Line cycle
Figure 10: Leading Edge Dimmer Waveforms
For trailing edge dimmers, the waveforms are
shown in Figure 11.
MP4056 Rev. 1.0
11/25/2014
When the turn-on cycle decreases to less than
70%, the internal reference voltage decreases,
lowers the output current. As the dimming turn-on
cycle decreases, the COMP voltage also
decreases. For leading edge dimmers, once the
COMP voltage reaches VCOMPL_LD, it is clamped.
The output current decreases slowly to maintain
the TRIAC holding current and avoid random
flicker. Figure 13 shows the relationship between
the leading edge dimming turn-on phase and
output current.
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19
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
Io
VCOMP
30%
70%
100%
Dimming turn on cycle
MULT decreases to VMULT_DP_ON_TL and turns off
until the MULT increases to VMULT_DP_OFF_TL.
The weak/strong dimming pull down current
source is selected through different resistance on
the ZCD pin. Figure 15 shows the selected logic:
If IDP_DET_LD *(R1+R2//R3)≥VEN_DP_STR_LD
Strong dimming pull-down current source is
selected; otherwise, weak dimming pull down
current source is selected.
In real application design, the weak/strong
dimming pull down current selection is related to
the detailed application SPEC.
Figure 13: Leading Edge Dimming Curve
For trailing edge dimmers, there is no holding
current, the COMP voltage is clamped at a lower
level VCOML_TL to get deeper dimming depth.
Figure 14 shows the relationship between the
trailing edge dimming turn-on phase and output
current.
Figure 15: Weak/Strong Dimming Pull Down
Current Source Selection
Figure 14: Trailing Edge Dimming Curve
Dimming Pull-Down Current Source
There are three kinds of dimming pull down
current source in MP4056. The IDP_TL current
source is for trailing edge dimming, the other two
(weak/strong) current sources are for leading
edge dimming. The dimming pull down current is
used to pull down the rectified line voltage to zero
quickly to avoid any mis-detection on the MULT
pin.
Damping Circuit Control
If a leading edge dimmer or trailing edge dimmer
is detected, the damping circuit is enabled to limit
the inrush current at the moment dimmer turns
on. If no dimmer is detected, the damping circuit
is disabled by pulling up the damp pin voltage so
the damping resister is shorted by the damping
MOSFET. The damp pin voltage begins to be
pulled up if MULT voltage increases higher than
VMULT_DAMP_ON and begins to be pulled down when
MULT
voltage
decreases
lower
than
VMULT_DAMP_OFF. The maximum pull up current
source is 100μA while the max pull down current
source is 400μA.
Color Temperature and Brightness Control
for Warm Sunset Dimming application
The color temperature and brightness control
circuit is shown in figure 16.
If the leading edge dimmer is detected, the
dimming pull-down current source turns on when
the MULT decreases to VMULT_DP_ON_LD and turns
off until the MULT increases to VMULT_DP_OFF_LD. If
trailing edge dimmer is detected, the dimming
pull-down current source turns on when the
MP4056 Rev. 1.0
11/25/2014
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20
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
distribution current is, the dimming depth is
enlarged. The dimming depth enlargement circuit
is shown in figure 18.
VCC
DIM
Figure 18: Dimming Depth Enlargement circuit
Figure 16: Color Temperature and Brightness
Control Circuit
The DIM pin of MP4056 outputs a driving signal
for an external MOSFET. The DIM signal logic
waveforms are shown in Figure 17.
Programmable Thermal Fold-back (NTC)
The NTC pin is used as the LED programmable
thermal fold-back. A NTC resistor is connected to
this pin directly to monitor the LED temperature.
The LED current reduces as the voltage drops on
NTC. Figure 19 shows the NTC curve.
Dimming Depth Enlargement
Driving a MOSFET to pull down a resistor from
auxiliary winding to GND forms a dummy load,
which to help distribute the output current. The
DIM pin working timing makes the smaller
dimming duty cycle is, the bigger dummy load
MP4056 Rev. 1.0
11/25/2014
VH_NTC
VL_NTC
DIM turn-on signal is the compliment signal of the
dimming turn-on signal. This means the longer
the dimming turn-on cycle, the smaller the DIM
turn-on cycle. When the dimming turn-on cycle is
greater than 70%, the DIM stays low, and the
output current flows only through the 1st LED
string. As the dimming turn-on cycle decreases,
the DIM turn-on duty cycle proportionally
increases the 2nd LED string current. The total
current through the 1st string and the 2nd string
stays constant. This current balance achieves
color temperature and brightness control. The
maximum current through 2nd string is adjusted
by changing the resistance of Ra.
VSD_NTC
Figure 17: Dim Signal Logic
Figure 19: NTC Curve
If the voltage on the NTC pin is lower than the
VSD_NTC, the LED current drops to the minimum
value. The minimum output current is determined
by the minimum on time (LEB time) of the main
MOSFET.
Analog dimming with PWM Input
The MP4056 enables direct control of analog
dimming. Applying a PWM signal (>200Hz) on
NTC achieves analog dimming. The output
current will linearly change with the PWM duty
cycle from maximum to minimum. This feature
dramatically reduces the BOM cost for the PWM
dimming system.
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21
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
TYPICAL APPLICATION CIRCUITS
L2
4.7mH/0.21A
2
LED-
R4
330/2W
1
D2
1N4148W
75V/0.15A
1
C6
470nF/25V
R8
51
C8
22pF/1000V
C4
4.7nF/50V
2
RV1
8
COMP
ZCD
GND
VCC
S
DAMP
D
C7
2.2uF/10V
7
R12
30k/1%/1206
R11
10k/1%
D4
BZT52C3V9
6
2
3
MULT
1
1
R5
7.5k/1%
D6
P640SB
Q1
CED830G
500V/4.5A
D3
16.82V/10mA
RLZ TE-11 18D
D1
1N4148W
75V/0.15A
L1
300uH/1A
D5
ES1G
400V/1A
R13
30k/1%/1206
LED+
2
BD1
MB6S
R6
1M/1%/0.25W
C3
150nF/450V
Output: 50V/200mA
C9
220uF/63V
3
C1
100nF/400V
L3
680uH/0.9A
EE13
CY1
2.2nF/2500V
R7
470k/0.5W
2
C2
330nF/250V
2
1
1
TVR10431
4
F1
250V/1A
C5
N
L
5
U1
MP4056
R9
500m/1%/1206
22uF/50V
108VAC-132VAC
R10
500m/1%/1206
Figure 20: GU10 Bulb Driver, 120VAC/60Hz Input, VO =50V, IO=200mA, Buck-Boost Converter, Low Bom
Cost, EVB Model: EV4056-S-00A
L1
4.7mH
D7
1N4148W
75V/0.15A
2
LED-
C2
33nF/450V
R7
1
6.2k/1%
R9
D6
1N4148W 5.1k/1%
75V/0.15A
D5
BAV21W
200V/0.2A
C3
150nF/450V
68nF/450V
R1
D4
1N4148W
510/1W
C4
4.7uF/16V/0805
L4
C5
470nF/25V
NFZ2HBM110/0805
R11
RV1
24.9/1%/0805
TVR07431
Q3
2N7002
1
R2
150k/1%
C9
2.2uF/16V/0603
C6
4.7nF/50V
R15
3.3k/1%
1
2
3
F1
39/1W
L
C8
22uF/50V
N
198VAC-265VAC
Output: 36V/167mA
D2
US1J
600V/1A
R8
51
1
D8
RLZ TE-11 18D
16.8V/10mA
C1
100uF/50V
R4
30k/1%/1206
LED+
Q2
ISU04N65A
650V/4A
R10
200/1206
D9
1N4148W
2
R14
75/1W
3
R13
75/1W
R5
1M/1206
R6
1M/1206
C10
T1
EE10
750uH
N:Na=128:36
2
3
Q1
3DD13001
600V/0.2A
2
D3
1N4148WS
75V/0.15A
1
3
R3
8.2k/1W
BD1
MB6S
600V/0.5A
2
D1
S1ML
1000V/1A
2
1
1
L3
NFZ2HBM110/0805
4
MULT
COMP
ZCD
GND
VCC
S
DAMP
D
8
7
C7
2.2uF/10V
R16
1k/1%
D10
1N4148W
6
R12
6.2k/1%
R17
4.3k/1%
5
U1
MP4056
R18
1.8/1%/1206
R19
3.3/1%/1206
Figure 21: GU10 Bulb Driver, 230VAC/50Hz Input, VO =36V, IO=167mA, Buck-Boost Converter, High
Performance, EVB Model: EV4056-S-00B
MP4056 Rev. 1.0
11/25/2014
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22
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
PACKAGE INFORMATION
SOIC8
0.189(4.80)
0.197(5.00)
8
0.050(1.27)
0.024(0.61)
5
0.063(1.60)
0.150(3.80)
0.157(4.00)
PIN 1 ID
1
0.228(5.80)
0.244(6.20)
0.213(5.40)
4
TOP VIEW
RECOMMENDED LAND PATTERN
0.053(1.35)
0.069(1.75)
SEATING PLANE
0.004(0.10)
0.010(0.25)
0.013(0.33)
0.020(0.51)
0.0075(0.19)
0.0098(0.25)
SEE DETAIL "A"
0.050(1.27)
BSC
SIDE VIEW
FRONT VIEW
0.010(0.25)
x 45o
0.020(0.50)
GAUGE PLANE
0.010(0.25) BSC
0o-8o
0.016(0.41)
0.050(1.27)
DETAIL "A"
MP4056 Rev. 1.0
11/25/2014
NOTE:
1) CONTROL DIMENSION IS IN INCHES. DIMENSION IN
BRACKET IS IN MILLIMETERS.
2) PACKAGE LENGTH DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS.
3) PACKAGE WIDTH DOES NOT INCLUDE INTERLEAD FLASH
OR PROTRUSIONS.
4) LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING)
SHALL BE 0.004" INCHES MAX.
5) DRAWING CONFORMS TO JEDEC MS-012, VARIATION AA.
6) DRAWING IS NOT TO SCALE.
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
23
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
MSOP10
0.114(2.90)
0.122(3.10)
6
10
0.114(2.90)
0.122(3.10)
PIN 1 ID
(NOTE 5)
0.007(0.18)
0.011(0.28)
0.187(4.75)
0.199(5.05)
5
1
0.0197(0.50)BSC
BOTTOM VIEW
TOP VIEW
GAUGE PLANE
0.010(0.25)
0.030(0.75)
0.037(0.95)
0.043(1.10)MAX
SEATING PLANE
0.002(0.05)
0.006(0.15)
FRONT VIEW
0o-6o
0.016(0.40)
0.026(0.65)
0.004(0.10)
0.008(0.20)
SIDE VIEW
NOTE:
0.181(4.60)
0.040(1.00)
0.012(0.30)
1) CONTROL DIMENSION IS IN INCHES. DIMENSION IN BRACKET IS
IN MILLIMETERS.
2) PACKAGE LENGTH DOES NOT INCLUDE MOLD FLASH,
PROTRUSION OR GATE BURR.
3) PACKAGE WIDTH DOES NOT INCLUDE INTERLEAD FLASH OR
PROTRUSION.
4) LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING)
SHALL BE 0.004" INCHES MAX.
5) PIN 1 IDENTIFICATION HAS THE HALF OR FULL CIRCLE OPTION.
6) DRAWING MEETS JEDEC MO-817, VARIATION BA.
7) DRAWING IS NOT TO SCALE.
0.0197(0.50)BSC
RECOMMENDED LAND PATTERN
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
24
MP4056—TRIAC DIMMABLE, NON-ISOLATED OFFLINE LED CONTROLLER WITH APFC
SOIC-14
0.338(8.55)
0.344(8.75)
0.024(0.61)
8
14
0.063
(1.60)
0.150
(3.80)
0.157
(4.00)
PIN 1 ID
0.050(1.27)
0.228
(5.80)
0.244
(6.20)
0.213
(5.40)
7
1
TOP VIEW
RECOMMENDED LAND PATTERN
0.053(1.35)
0.069(1.75)
SEATING PLANE
0.050(1.27)
BSC
0.013(0.33)
0.020(0.51)
0.004(0.10)
0.010(0.25)
0.0075(0.19)
0.0098(0.25)
SEE DETAIL "A"
SIDE VIEW
FRONT VIEW
NOTE:
0.010(0.25)
x 45o
0.020(0.50)
GAUGE PLANE
0.010(0.25) BSC
0o-8o
0.016(0.41)
0.050(1.27)
1) CONTROL DIMENSION IS IN INCHES. DIMENSION IN
BRACKET IS IN MILLIMETERS.
2) PACKAGE LENGTH DOES NOT INCLUDE MOLD FLASH,
PROTRUSIONS OR GATE BURRS.
3) PACKAGE WIDTH DOES NOT INCLUDE INTERLEAD FLASH
OR PROTRUSIONS.
4) LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING)
SHALL BE 0.004" INCHES MAX.
5) DRAWING CONFORMS TO JEDEC MS-012, VARIATION AB.
6) DRAWING IS NOT TO SCALE.
DETAIL "A"
NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third
party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not
assume any legal responsibility for any said applications.
MP4056 Rev. 1.0
11/25/2014
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2014 MPS. All Rights Reserved.
25