APW7277

APW7277
5V, 5A, 1.2MHz Synchronous Boost Converter
Features
General Description
•
The APW7277 is a synchronous rectifier, fixed switching
frequency (1.2MHz typical), and current-mode step-up
92% Effiicency Synchronous Boost Converter With
1000-mA Output Current From 1.8V Input
•
Stable with Low ESR Output Capacitors
•
Fixed 1.2MHz Oscillator Frequency
•
Low EMI Converter (Integrated Anti-Ringing
regulator. The device allows use of small inductors and
output capacitors for USB devices. The current-mode
control scheme provides fast transient response and
good output voltage accuracy.
Function)
At light loads, the APW7277 will automatically enter in
Pulse Frequency Modulation (PFM) operation to reduce
•
Low Battery Output
•
Integrated Power Save Mode Operation to Improve
the dominant switching losses. During PFM operation,
the IC consumes very low quiescent current and
Light Load Efficiency
•
Load Disconnected During Shutdown
•
Output Current-Limit Protection
•
Over Temperature Protection
•
Under Voltage Protection
•
Enable/Shutdown Function
•
Available in TQFN4x4-16 and DFN3x3-12 Packages
•
Lead Free and Green Devices Available
maintains high efficiency over the complete load range.
The APW7277 also includes current-limit and overtemperature shutdown to prevent damage in the event
of an output overload.
The APW7277 is available in 4mmx4mm TQFN4x4-16
and DFN3x3-12 packages.
Applications
(RoHS Compliant)
Pin Configuration
VOUT
FB
GND
NC
VOUT
VOUT
16
15
14
13
12 LBO
1
2
11 EN
(Exposed Pad)
PGND
SW 3
SW
10 PSI
•
Power Bank
•
Tablet
•
Portable Equiment
PGND
1
12
SW
PGND
2
11
SW
NC
3
10
VOUT
VBAT
4
PSI
5
NC
6
(Exposed
PAD)
PGND
9
FB
8
GND
7
EN
9 LBI
4
7
8
PGND
VBAT
PGND
6
PGND
5
Exposed PAD on bankside
DFN3x3-12
TOP VIEW
TQFN4x4-16
Top View
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
1
www.anpec.com.tw
APW7277
Ordering and Marking Information
For Adjustable Voltage Version
APW7277
Package Code
QB : TQFN4x4-16
Assembly Material
QA: DFN3x3-12
Operating Ambient Temperature Range
I : -40 to 85 oC
Handling Code
Temperature Range
Handling Code
TR : Tape & Reel
Assembly Material
G: Halogen and Lead Free Device
Package Code
For Fixed Voltage Version
APW7277
Voltage Code
50: 5.0V
Assembly Material
Blank : Adjustable Version
Handling Code
Temperature Range
Package Code
Voltage Code
APW7277QB:
APW7277QA:
APW7277
XXXXX
APW
7277
XXXXX
APW7277-50QB:
XXXXX - Date Code
APW7277-50QA:
XXXXX - Date Code
7277-50
XXXXX
7277
50
XXXXX
XXXXX - Date Code
XXXXX - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
Absolute Maximum Ratings
Symbol
(Note 1)
Rating
Unit
VOUT
Output and IC Supply Voltage (VOUT to GND)
Parameter
-0.3 ~ 7
V
VBAT
Converter Supply Voltage (VBAT to GND)
-0.3 ~ 7
V
VSW
SW to GND Voltage
>30ns
-0.3 ~ 7
V
<30ns
-3 ~ 9
V
-0.3 ~ 7
V
LBI, SYNC, EN, LBO and FB to GND Voltage
PGND to GND
PD
Power Dissipation
TJ
Maximum Junction Temperature
TSTG
Storage Temperature
TSDR
Maximum Lead Soldering Temperature (10 Seconds)
-0.3 ~ +0.3
V
-
W
150
o
-65 ~ 150
o
260
o
C
C
C
Note1: Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
2
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APW7277
Thermal Characteristics
Symbol
Parameter
Typical Value
Unit
TQFN4x4-16
40
°C/W
DFN3x3-12
50
TQFN4x4-16
15
DFN3x3-12
20
Junction-to-Ambient Resistance in free air (Note 2)
θJA
Junction-to-Case Resistance
θJC
°C/W
Note 2 : θJA is measured with the component mounted on a high effective thermal conductivity test board in free air.
Recommended Operating Conditions (Note 3)
Symbol
Parameter
VOUT
Output and IC Supply Voltage (VOUT to GND)
VBAT
Converter Supply Voltage (VBAT to GND)
VSW
TA
TJ
SW to GND Voltage
Range
Unit
2.7 ~ 5.5
V
1.8 ~ VOUT
V
>30ns
-0.3 ~ VOUT+0.3
V
<30ns
-3 ~ VOUT+3
V
LBI, PSI, EN, LBO to GND Voltage
0 ~ VOUT
Ambient Temperature
-40 ~ 85
o
-40 ~ 125
o
Junction Temperature
V
C
C
Note 3 : Refer to the typical application circuit
Electrical Characteristics
Unless otherwise specified, these specifications apply over VBAT=3.3V, VOUT=5V and TA= 25 oC.
Symbol
Parameter
APW7277
Test Conditions
Unit
Min
Typ
Max
1.8
-
5.5
V
3.0
-
5.5
V
SUPPLY VOLTAGE AND CURRENT
VBAT
Converter
Range
Supply
VOUT
Converter Output and IC Supply
Voltage
IDD1
No Switching Quiescent Current
Measured from VOUT, VFB=0.6V, VOUT=3.3V
-
40
60
µA
IVBAT-SD
VBAT Quiescent Current
VEN=GND, VBAT=3.3V
VOUT)
-
0.1
1
µA
VUVLO
VBAT Under
Threshold
1.6
1.7
1.8
V
Regulated Feedback Voltage
490
500
510
mV
FB Input Leakage Current
-100
-
100
nA
-
30
-
Voltage
Voltage
Lockout
VBAT (Operation Max)=VO/1.1
Rising
(Isolate VBAT &
REFERENCE AND OUTPUT VOLTAGE
VREF
IFB
Over Temperature
Hysteresis(note 4)
Protection
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
TJ Falling
3
O
C
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APW7277
Electrical Characteristics
Unless otherwise specified, these specifications apply over VBAT=3.3V, VOUT=5V and TA= 25 oC.
Symbol
Parameter
APW7277
Test Conditions
Unit
Min
Typ
Max
INTERNAL POWER SWITCH
FOSC
Switching Frequency
FB=GND
900
1200
1500
MHz
RN-FET
N-FET Switch On Resistance
VOUT=5V
-
55
-
mΩ
RP-FET
P-FET Switch On Resistance
VOUT=5V
-
55
-
mΩ
N-FET Current Limit
VOUT=5V
4.5
5.5
-
A
Dead-time (note 4)
VOUT=3.3V~5V
-
10
-
ns
85
95
-
%
-
700
-
mA
EN Input Low Threshold
-
-
0.4
V
EN Input High Threshold
1
-
-
V
Internal Pull Low
-
500
-
kΩ
PSI Input Low Threshold
-
-
0.4
V
DMAX
SW Maximum Duty Cycle
PFM Current Limit
CONTROL STAGE
EN
PSI
1
-
-
V
IEN
PSI Input High Threshold
EN Input Leakage Current
VEN=1.5V
-
3
5
µA
IPSI
PSI Input Leakage Current
VPSI=1.5V
-
0.4
1
µA
490
500
510
mV
-
10
-
mV
-
10
100
nA
-
400
-
Ω
-
-
10
mA
-
0.01
0.1
µA
-
+100
-
mA
-
80
-
%VREF
TJ Rising
-
150
-
O
C
TJ Falling
-
30
-
O
C
LOW BATTER INDICATOR
VLBI
LBI Voltage Threshold
LBI Input Hysteresis
LBI Input Current
LBO Output Low Voltage
ILBO=100uA
LBO Output Low Current
LBO Output Leakage Current
VLBO=5V
ZERO CURRENT DETECT
VZC
P-FET Zero Current Detect
PROTECTION
VFB Under Voltage Protection
Over Temperature Protection
(note
4)
TOTP
Over Temperature
Hysteresis(note 4)
Protection
Note 4: Guaranteed by design, not production tested.
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
4
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APW7277
Pin Description
PIN
NAME
1,15,16
VOUT
2
NC
3,4
SW
FUNCTION
Converter Output and IC Supply Voltage.
Enable
in Connection.
Charge Done
No Internal
Converter Switch Pin. Connect inductor here.
Enable in Charge Done
5,6,7
PGND
8
VBAT
Power Ground. Connect these pins to GND.
9
LBI
Low Battery Indicator.
10
PSI
Power Saving Input. Force VPSI exceed 1V enter PFM. Left VPSI below 0.4V enter PWM mode.
11
EN
Device Enable Control Input. Force VEN exceed 1V enable the device. Left VEN below 0.4V to
shutdown.
12
LBO
Low Battery Output.
13
GND
Signal Ground. Connect this pin to PGND.
14
FB
Exposed Pad
PGND
Enable in Charge Done
Converter Supply Voltage.
Converter Feedback Input.
Power Ground. Tie this pin to the ground island/plane through the lowest impedance connection
available.
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
5
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APW7277
Typical Operating Characteristics
Efficiency VS Io
100.0
95.0
95.0
90.0
90.0
Efficiency (%)
Efficiency (%)
Efficiency VS Io
100.0
85.0
80.0
75.0
- VBAT=2.2V
- VBAT=2.7V
70.0
85.0
80.0
75.0
- VBAT=3.3V
- VBAT=3.7V
- VBAT=4.2V
70.0
65.0
65.0
Vo=5V,Cin=22uF,Co=66uF,L=2.2uH
Vo=3.3V,Cin=22uF,Co=66uF,L=2.2uH
60.0
60.0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0
1
0.25
0.5
0.75
1
1.25
1.5
1.75
2
Io (A)
Io (A)
Quiescent Current VS Output
Voltage
Quiescent Current VS Temperature
50
44.0
Quiescent Current(uA)
Quiescent Current (uA)
45
40
35
30
25
42.0
40.0
38.0
36.0
34.0
32.0
20
2
2.5
3
3.5
4
4.5
5
5.5
30.0
-40 -20
6
0
20 40 60 80 100 120 140 160 180
Output Voltage (V)
Temperature (oC)
Reference Voltage VS Temperature
Frequency VS Temperature
520
1300
1250
515
512.5
Frequency (KHz)
Reference Voltage (mV)
517.5
510
507.5
505
502.5
500
497.5
1200
1150
1100
1050
1000
495
950
492.5
490
-40
-20
0
20
40
60
80
900
-40 -20
100 120 140
Temperature(oC)
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
0
20
40
60
80 100 120 140 160
Temperature(oC)
6
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APW7277
Operating Wavrforms
Power on EN
Normal Operation
CH1
CH1
CH2
CH2
CH3
CH3
CH4
CH4
CH1:VBAT-2V/div
CH2:VOUT -2V/div
CH3:VSW-5V/div
CH4:IL-500mA/div
Time:1us/div
CH1:VBAT-2V/div
CH2:VOUT -2V/div
CH3:VSW-5V/div
CH4:IL-1A/div
Time:100us/div
Power off EN
UVP
CH1
CH1
CH2
CH2
CH3
CH3
CH4
CH4
CH1:VBAT-2V/div
CH2:VOUT -2V/div
CH3:VSW-5V/div
CH4:IL-1A/div
Time:100us/div
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
CH1:VBAT-2V/div
CH2:VOUT -5V/div
CH3:VSW-5V/div
CH4:IL-1A/div
Time:10us/div
7
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APW7277
Block Diagram
PSI
VBAT
LBI
From VOUT
VREF
0.5V
VOUT
LBO
VMAX
Control
ZeroCrossing
Comparator
EN
Shutdown
Control
SW
Logic Control
OverTemperature
Protection
Gate
Control
Current
limit
Slope
Compensation
Current Sense
Amplifier
∑
Oscillator
Error
Amplifier
ICMP
FB
COMP
VREF
0.5V
GND
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
8
Softstart
From
VMAX
Control
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APW7277
Typical Application Circuits
Typical Application
L1
3,4
SW
VOUT
VBAT
PGND
VOUT = 5V
1,15,16
2.2µH
VBAT
8
C1
22µF
R3
300k
5,6,7
R1
510k
C3
C2
22µFx3
(MLCC)
APW7277
11
PFM
PWM
10
9
R4
100k
EN
FB
PSI
GND
LBI
LBO
14
R2
56k
13
R5
100k
12
C3 is option
Power Bank Application
L1
3,4
SW
VOUT
VBAT
PGND
VOUT = 5V/2.1A
1,15,16
2.2µH
VBAT
8
C1
22µF
R3
300k
5,6,7
R1
68k
C3
11
PFM
PWM
10
9
R4
100k
EN
FB
PSI
GND
LBI
LBO
14
R2
7.5k
13
C4
100µF
C2
22µF
(MLCC)
APW7277
R5
100k
12
C3 is option
R2 value suggest is less than 7.5k
C4 value suggest is more than 100µF
2 Cell Alkaline Application
L1
3,4
SW
VOUT
VBAT
PGND
VOUT= 3.3V
1,15,16
2.2µH
VBAT
8
C1
22µF
R3
300k
5,6,7
R1
510k
C3
C2
22µFx3
(MLCC)
APW7277
11
PFM
PWM
10
9
R4
100k
EN
FB
PSI
GND
LBI
LBO
14
13
R2
56 k
R5
100k
12
C3 is option
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
9
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APW7277
Function Description
Main Control Loop
Load Disconnect
The APW7277 is a constant frequency, synchronous
rectifier, and current-mode switching regulator. In normal
Driving EN to ground places the APW7277 in shutdown
mode. When in shutdown, the internal power MOSFET
turns off, all internal circuitry shuts down and the quies-
operation, the internal N-channel power MOSFET is turned
on each cycle when the oscillator sets an internal RS
cent supply current reduces to 1µA maximum.
A special circuit is applied to disconnect the load from the
latch and turned off when an internal comparator (ICMP)
resets the latch. The peak inductor current which ICMP
input during shutdown the converter. In conventional synchronous rectifier circuits, the back-gate diode of the high-
resets the RS latch is controlled by the voltage on the
COMP node, which is the output of the error amplifier
side P-FET is forward biased in shutdown and allows
current flowing from the battery to the output. However,
(EAMP). An external resistive divider connected between
VOUT and ground allows the EAMP to receive an output
this device uses a special circuit, which takes the cathode of the back-gate diode of the high-side P-FET and
feedback voltage VFB at FB pin. When the load current
increases, it causes a slightly decrease in VFB relative to
disconnects it from the source when the regulator is
shutdown. The benefit of this feature for the system de-
the 0.5V reference, which in turn causes the COMP voltage to increase until the average inductor current matches
sign engineer is that the battery is not depleted during
shutdown of the converter. No additional components
the new load current.
must be added to the design to make sure that the battery is disconnected from the output of the converter.
Start-up
A start-up oscillator circuit is integrated in the APW7277.
When the device enables, the circuit pumps the output
Current-Limit Protection
voltage high. Once the output voltage reaches 1.6V (typ),
the main DC-DC circuitry turns on and boosts the output
The APW7277 monitors the inductor current, flowing
voltage to the final regulation voltage.
limit level to prevent loads and the APW7277 from damages during overload conditions.
through the N-FET, and limits the current peak at current-
Automatic PFM/PWM mode Switch
The APW7277 is a fixed frequency PWM peak current
modulation control step-up converter. At light loads, the
Over-Temperature Protection (OTP)
The over-temperature circuit limits the junction temperature of the APW7277. When the junction temperature ex-
APW7277 will automatically enter in pulse frequency
modulation operation to reduce the dominant switching
ceeds 150oC, a thermal sensor turns off the both N-FET
and P-FET, allowing the devices to cool. The thermal
losses. In PFM operation, the inductor current may reach
zero or reverse on each pulse. A zero current comparator
sensor allows the converters to start a soft-start process
and regulate the output voltage again after the junction
turns off the P-channel synchronous MOSFET, forcing
DCM(Discontinuous Current Mode) operation at light load.
temperature cools by 30oC. The OTP is designed with a
30oC hysteresis to lower the average Junction Tempera-
These controls get very low quiescent current, help to
maintain high efficiency over the complete load range.
ture (TJ) during continuous thermal overload conditions,
increasing the lifetime of the device.
Synchronous Rectification
The internal synchronous rectifier eliminates the need
for an external Schottky diode, thus reducing cost and
board space. During the cycle off-time, the P-FET turns
on and shunts the FET body diode. As a result, the synchronous rectifier significantly improves efficiency without the addition of an external component. Conversion
efficiency can be as high as 92%.
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
10
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APW7277
Application Information
Recommended Minimum Footprint
The via diameter =0.012
Hole size =0.008
0.024
0.021
0.079
014
0.
0.026
0.079
layout
Unit :
Inch
TQFN4x4-16
The via diameter =0.3048
Hole size =0.2032
0.6
0.55
0.35
2
0.65
2
layout
Unit :
mm
TQFN4x4-16
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
11
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APW7277
Package Information
TQFN4x4-16
A
b
E
D
Pin 1
A1
D2
A3
L
K
E2
Pin 1
Corner
e
S
Y
M
B
O
L
TQFN4x4-16
MILLIMETERS
INCHES
MIN.
MAX.
MIN.
MAX.
A
0.70
0.80
0.028
0.031
A1
0.00
0.05
0.000
0.002
A3
0.20 REF
0.008 REF
b
0.25
0.35
0.010
0.014
D
3.90
4.10
0.154
0.161
0.083
D2
1.90
2.10
0.075
E
3.90
4.10
0.154
0.161
E2
1.90
2.10
0.075
0.083
e
0.65 BSC
L
0.40
K
0.20
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
0.026 BSC
0.016
0.50
0.020
0.008
12
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APW7277
Package Information
DFN3x3-12
A
b
E
D
Pin 1
A1
D2
A3
L
K
E2
Pin 1 Corner
e
S
Y
M
B
O
L
DFN3x3-12
MILLIMETERS
INCHES
MIN.
MAX.
MIN.
MAX.
A
0.80
1.00
0.031
0.039
A1
0.00
0.05
0.000
0.002
0.007
A3
0.20 REF
0.008 REF
0.012
b
0.18
0.30
D
2.90
3.10
0.114
0.122
0.106
D2
2.20
2.70
0.087
E
2.90
3.10
0.114
0.122
E2
1.40
1.75
0.055
0.069
0.50
0.012
e
0.45 BSC
L
0.30
K
0.20
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
0.018 BSC
0.020
0.008
13
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APW7277
Carrier Tape & Reel Dimensions
P0
P2
P1
A
B0
W
F
E1
OD0
K0
A0
A
OD1 B
B
T
SECTION A-A
SECTION B-B
H
A
d
T1
Application
A
H
330.0±2.00
50 MIN.
P0
P1
4.0±0.10
8.0±0.10
A
H
330±2.00
50 MIN.
P0
P1
4.0±0.10
8.0±0.10
TQFN4x4-16
Application
DFN3x3-12
T1
C
12.4+2.00 13.0+0.50
-0.00
-0.20
P2
D0
1.5+0.10
2.0±0.05
-0.00
T1
C
12.4+2.00 13.0+0.50
-0.00
-0.20
P2
D0
1.5+0.10
2.0±0.05
-0.00
d
D
1.5 MIN.
20.2 MIN.
D1
4.30±0.20 4.30±0.20
d
T
0.6+0.00
-0.40
D
1.5 MIN.
20.2 MIN.
12.0±0.30 1.75±0.10
D1
T
0.6+0.00
-0.40
1.5 MIN.
1.5 MIN.
W
E1
12.0±0.30 1.75±0.10
A0
W
B0
E1
F
5.5±0.05
K0
1.30±0.20
F
5.5±0.05
A0
B0
K0
3.30±0.20
3.30±0.20
1.30±0.20
(mm)
Devices Per Unit
Package Type
Unit
Quantity
TQFN4x4-16
Tape & Reel
3000
DFN3x3-12
Tape & Reel
3000
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
14
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APW7277
Taping Direction Information
TQFN4x4-16
USER DIRECTION OF FEED
DFN3x3-12
USER DIRECTION OF FEED
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
15
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APW7277
Classification Profile
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
16
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APW7277
Classification Reflow Profiles
Profile Feature
Sn-Pb Eutectic Assembly
Pb-Free Assembly
100 °C
150 °C
60-120 seconds
150 °C
200 °C
60-120 seconds
3 °C/second max.
3°C/second max.
183 °C
60-150 seconds
217 °C
60-150 seconds
See Classification Temp in table 1
See Classification Temp in table 2
Time (tP)** within 5°C of the specified
classification temperature (Tc)
20** seconds
30** seconds
Average ramp-down rate (Tp to Tsmax)
6 °C/second max.
6 °C/second max.
6 minutes max.
8 minutes max.
Preheat & Soak
Temperature min (Tsmin)
Temperature max (Tsmax)
Time (Tsmin to Tsmax) (ts)
Average ramp-up rate
(Tsmax to TP)
Liquidous temperature (TL)
Time at liquidous (tL)
Peak package body Temperature
(Tp)*
Time 25°C to peak temperature
* Tolerance for peak profile Temperature (Tp) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum.
Table 1. SnPb Eutectic Process – Classification Temperatures (Tc)
Package
Thickness
<2.5 mm
≥2.5 mm
Volume mm
<350
235 °C
220 °C
3
Volume mm
≥350
220 °C
220 °C
3
Table 2. Pb-free Process – Classification Temperatures (Tc)
Package
Thickness
<1.6 mm
1.6 mm – 2.5 mm
≥2.5 mm
Volume mm
<350
260 °C
260 °C
250 °C
3
Volume mm
350-2000
260 °C
250 °C
245 °C
3
Volume mm
>2000
260 °C
245 °C
245 °C
3
Reliability Test Program
Test item
SOLDERABILITY
HOLT
PCT
TCT
HBM
MM
Latch-Up
Method
JESD-22, B102
JESD-22, A108
JESD-22, A102
JESD-22, A104
MIL-STD-883-3015.7
JESD-22, A115
JESD 78
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Rev. A.2 - Sep, 2013
17
Description
5 Sec, 245°C
1000 Hrs, Bias @ Tj=125°C
168 Hrs, 100%RH, 2atm, 121°C
500 Cycles, -65°C~150°C
VHBM≧2KV
VMM≧200V
10ms, 1tr≧100mA
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APW7277
Customer Service
Anpec Electronics Corp.
Head Office :
No.6, Dusing 1st Road, SBIP,
Hsin-Chu, Taiwan, R.O.C.
Tel : 886-3-5642000
Fax : 886-3-5642050
Taipei Branch :
2F, No. 11, Lane 218, Sec 2 Jhongsing Rd.,
Sindian City, Taipei County 23146, Taiwan
Tel : 886-2-2910-3838
Fax : 886-2-2917-3838
Copyright  ANPEC Electronics Corp.
Rev. A.2 - Sep, 2013
18
www.anpec.com.tw