AIMTEC AMLDL-Z_13

Series AMLDL-Z
Up to 1000mA | LED Driver
FEATURES:
•
•
•
•
Step Down DC/DC LED driver
Constant current output
Wide (4:1) input voltage range
High efficiency up to 95%
•
•
•
•
Models
Single output
Input Voltage
(V)
Model
Output Voltage
(V)
Maximum Rated
Current (mA)
Operating Temperature range -40ºC to +85ºC
Open and Short LED Protection
PWM/Digital and Analog Voltage dimming
Remote ON/OFF Control
Max
Capacitive
Load (uF)
Efficiency
(%)
Package Type
AMLDL-3030Z
7-30
2-28
300
47
95
DIP14
AMLDL-3035Z
7-30
2-28
350
47
95
DIP14
AMLDL-3050Z
7-30
2-28
500
47
95
DIP16
AMLDL-3060Z
7-30
2-28
600
47
95
DIP16
AMLDL-3070Z
7-30
2-28
700
47
95
DIP16
AMLDL-30100Z
7-30
2-28
1000
47
95
DIP16
NOTE: All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at
rated output load unless otherwise specified.
Input Specifications
Parameters
Voltage range
Filter
Absolute Maximum Rating
Peak Input Voltage time
DC/DC ON (Leave open if not used)
DC/DC OFF
Maximum Remote pin drive current
Quiescent Current in Shutdown mode
On/Off Control (Digital Control)
Minimum Switch ON/OFF time
On/Off Control (Analog Dimming Control)
(Leave open if not used)
Drive with DC Voltage
Output current adjustment*
Control Voltage Range limits
Maximum Analog pin drive current
Output Specifications
Parameters
Current accuracy
Output Voltage range
Output current
Short Circuit protection
Output no load Protection
Max load capacitance
Temperature coefficient
Ripple & Noise
General Specifications
Parameters
Switching frequency
Operating temperature
Storage temperature
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Nominal
24
Vadj = 1.25V
Vin = 30V, Vadj <0.15
Typical
7-30
Capacitor
ON –Open or 0.3V<Vadj<1.25
OFF(shutdown) – Vadj<0.15
Max PWM Frequency 1KHz
200
Input voltage range
Maximum
Units
40
500
VDC
ms
1
0.25
mA
mA
ns
0.3-1.25
VDC
0.3V < VADJ<1.25V to adjust output current from 25% to 100%
Vin-Vout<20
ON – 0.2 – 0.3V (Vadj rise)
OFF – 0.15-0.25V (Vadj fall)
Vadj = 1.25V
25-100
1
Conditions
Typical
±6
2-28
Maximum
V input = 30V
Vin – Vout >1.5V to 3V
300
Regulated at the rated current for each model
Continuously
47
Ta = -40 to +85°C
±0.05
20MHz Bandwidth
250
Conditions
100% load
Typical
40 - 380
-40 to +85
-40 to +125
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VDC
Maximum
%
mA
Units
%
VDC
mA
µF
%/oC
mV p-p
Units
KHz
o
C
o
C
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Series AMLDL-Z
Up to 1000mA | LED Driver
General Specifications (continued)
Parameters
Maximum case temperature
Thermal Impedance
Cooling
Humidity
Case material
Conditions
Typical
Free air convection
+40
Free air convection
Maximum
100
Units
o
o
C
C/W
95
% RH
Non-Conductive Black Plastic (UL94-V0 rated)
2.6 (DIP14)
g
6.2 (DIP 16)
DIP 14
0.80 x 0.40 x 0.27 inches
20.32 x 10.16 x 6.88 mm
DIP 16
0.80 x 0.40 x 0.40 inches
23.37 x 13.97 x 10.16 mm
> 500 000hrs (MIL-HDBK-217 F at +25 oC)
o
1.5mm from case for 10sec.
260
C
Weight
Dimensions (L x W x H)
MTBF
Maximum Soldering Temperature
NOTES:
1.Reversed polarity at the input power will damage the driver. The input ground must not be connected to the negative output.
2.Leave the pin VADJ opened if not used , grounding VADJ will shut the driver off, connecting VADJ to +Vin will damage the driver.
3.Maximum output open voltage is equal to input voltage
Safety Specifications
Parameters
Agency approvals
CE
EN 55015 (CISPR22)
IEC 61000-4-2 (Perf. Criteria A)
IEC 61000-4-3 (Perf. Criteria A)
IEC 61000-4-4 (Perf. Criteria A)
IEC 61000-4-6 (Perf. Criteria A)
IEC 61000-4-8 (Perf. Criteria A)
Standards
Pin Out Specifications
DIP 14
Pin
1
2
7
8
14
Single
- V Input
Vadj
- V Output
+ V Output
+ V Input
DIP 16
Pin
1
2
3
7
8
9
10
15
16
- DC Supply
PWM/ON/OFF or not used
LED Cathode connection
LED Anode connection
+ DC Supply
Free Air Convection
Derating
Output Power (%)
100
- DC Supply
- DC Supply
PWM/ON/OFF or not used
LED Cathode connection
LED Cathode connection
LED Anode connection
LED Anode connection
+ DC Supply
+ DC Supply
AMLDL-3030Z
AMLDL-3035Z
AMLDL-3050Z
AMLDL-3060Z
AMLDL-3070Z
80
60
Single
- V Input
- V Input
Vadj
- V Output
- V Output
+ V Output
+ V Output
+ V Input
+ V Input
Safe Operating Area
40
AMLDL-301000Z
20
0
- 40
- 20
0
20
40
60
71
80
85
100
Ambient Temperature º C
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Series AMLDL-Z
Up to 1000mA | LED Driver
Dimensions
15.24
(0.60)
23.40
(0.92)
2.81
(0.11)
1 2 3
7
Bottom View
14
2.54
(0.10)
8
16 15
0.50
(0.02)
Printed Face
7 8
Bottom View
1.92
(0.08)
1 2
10.16
(0.40)
17.78
(0.70)
14.00
(0.55)
2.54
(0.10)
5.08
(0.20)
20.32
(0.80)
DIP 16: AMLDL-3050Z, AMLDL-3060Z, AMLDL3070Z, AMLDL-30100Z
10 9
0.50
(0.02)
Printed Face
3.05
(0.12)
10.16
(0.40)
6.88
(0.27)
10.16
(0.40)
DIP 14: AMLDL-3030Z & AMLDL3035Z
3.05
(0.12)
0.50
(0.02)
Application circuit examples:
+Vout
+Vout
+
AMLDL-Z
-Vin
+
st
1
1 LED
-Vout
-Vin
-Vout
1
Analogue DIM
PWM Dim/ON/OFF
AC In
5Vac
to 21Vac
+Vin
100uF to
330uF
+
+Vout
AMLDL-Z
-
1
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1
1st LED
1
1
Last LED
VADJ
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1st LED
-Vout
-Vin
AC In
1
Last LED
Analogue DIM
PWM Dim/ON/OFF
0.1uF
optional
AMLDL-Z
1
Last LED
Analogue DIM
PWM Dim/ON/OFF
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Series AMLDL-Z
Up to 1000mA | LED Driver
Output Current Adjustment by External DC Control Voltage:
The nominal output current is given by:
Iout ˜ 0.08 x Vadj
X
Model Number
AMLDL-3030Z
AMLDL-3035Z
AMLDL-3050Z
AMLDL-3060Z
AMLDL-3070Z
AMLDL-30100Z
X
0.327
0.280
0.197
0.165
0.1388
0.095
+Vout
VADJ
0.3 -1.25V
1st LED
1
AMLDL-Z
-Vout
-Vin
Last LED
1
GND
Vctrl
+5v
+Vin
R1
30K
+Vout
VADJ
R2
10K
1
AMLDL-Z
10K
1st LED
VADJ
-Vout
-Vin
+Vout
10K
1
TL431
10K
1
AMLDL-Z
-Vin
1
1st LED
-Vout
1
VADJ =
R2
R1 + R2
X Vctrl
Resistive Dimming Control
A simplified dimming control can be achieved using a variable resistor connected between VADJ and GND. Capacitor CADJ
is optional, it is installed to limit AC mains interference and high frequency noise. The recommended value of CADJ is
0.22µF.
The nominal output current is given by:
+Vout
Ioutnom= Iout x Radj
VADJ
Radj + 200K
NOTE: Typical error is ±10% with resistive dimming control
CADJ
RADJ
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AMLDL-Z
-Vin
1
1st LED
-Vout
1
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Series AMLDL-Z
Up to 1000mA | LED Driver
Output Current Adjustment by PWM Control:
Driving VADJ Directly
A Pulse Width Modulated (PWM) signal with a duty cycle of DPWM can be applied directly to VADJ pin as shown below.
The output current is given by:
0.1 x DPWM
[for 0<DPWM<1]
Iout ˜
X
+Vout
1.25V
Model Number
AMLDL-3030Z
AMLDL-3035Z
AMLDL-3050Z
AMLDL-3060Z
AMLDL-3070Z
AMLDL-30100Z
PWM
VADJ
-Vin
0V
X
0.327
0.280
0.197
0.165
0.1388
0.095
AMLDL-Z
1
1st LED
-Vout
Last LED
1
GND
Driving VADJ Via Open Collector Transistor
The VADJ can also be driven via an open collector transistor as shown below.
The diode and resistor serve to suppress any possible high amplitude negative voltage spikes to the VADJ input resulting
from the collector to emitter capacitance of the transistor. Any negative voltage spikes will cause errors in output current
and/or unstable driver operation.
+Vout
1.25V
VADJ
PWM
10K
0V
AMLDL-Z
-Vin
1
1st LED
-Vout
Last LED
1
1
GND
Driving the VADJ from a Microcontroller
The VADJ can be driven from an open drain output of a microcontroller as shown below. The diode and resistor serve to
suppress any possible high amplitude negative voltage spikes to the VADJ input resulting from the drain to source
capacitance of the FET. Any negative voltage spikes will cause errors in output current and/or unstable driver operation.
+Vout
VADJ
MCU
10K
AMLDL-Z
-Vin
1
1st LED
-Vout
Last LED
1
1
GND
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Series AMLDL-Z
Up to 1000mA | LED Driver
Output Current Adjustment by PWM Control (Dimming):
A PWM signal must have a frequency of greater than 100Hz to prevent any visible flicker.
+Vin
-Vin
AMSR-7805-Z
+
10uF
35V
-
+
100nF
-
+ 10uF
8
Vcc
470
- 16V
7
+
100nF
-
4
Reset
Discharge
1N4148
1
1
10K
2SD11782K
6
Threshold
VR
100K
Out
3
1
210
2
Trigger
+
100nF
-
CRT_V
GND
1N4148
5
+
1
NE 555
PMW
AMLDL-Z
Pin 2 (VADJ)
-
100nF
AMLDL-Z
Pin 1
Output Current Adjustment by PWM Control (Flash):
+Vin
AMSR-7805-Z
10uF
35V
-Vin
+
-
+ 10uF
+
100nF
-
- 16V
VR
100K
8
Vcc
7
+
100nF
-
4
Reset
Discharge
10K
2SD11782K
6
Threshold
2K
Out
3
1
210
2
Trigger
+ 10uF
GND
- 16V
CRT_V
1
NE 555
PMW
AMLDL-Z
Pin 2 (VADJ)
1N4148
5
+
100nF
-
AMLDL-Z
Pin 1
Recommended Class B EMI Filter:
+Vin
-Vin
+
10uF
-
L
AMLDL-Z
-
VADJ
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+Vout
+
1
1st LED
-Vout
1
Last LED
Analogue DIM
PWM Dim/ON/OFF
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Model Number
AMLDL-3030Z
AMLDL-3035Z
AMLDL-3050Z
AMLDL-3060Z
AMLDL-3070Z
AMLDL-30100Z
Inductor Value (µH)
68
68
27
27
27
27
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Series AMLDL-Z
Up to 1000mA | LED Driver
Thermal Feedback Circuit
+Vin
R1
4.7K
BZX284C6V2
1
R3
10K
Thermistor
B 3900
R2
10K
+Vin
VADJ
AMLDL-Z
10K
Q1
-Vin
+Vout
1
1st LED
-Vout
Last LED
1
1
GND
Thermally Connected
The selection of components for the thermal feedback circuit is depends on the choice of R2 and R3 and the effectiveness of
the LED heatsink. To optimize the LED brightness control at high temperatures, the LEDs must have a sufficient thermal
extraction path, if not the reduction in drive current will not be optimal.
The thermal control threshold points are set by adjusting R2. Three values (33K, 22K, and 10K) were tested. These values
were chosen to provide thermal break points of approximately 25ºC, 40ºC, and 60ºC.
Note, that the LED drive current will not continually dim to zero – the thermal controls applying DC control to that VADJ pin
has a dimming ratio from maximum current of approximately 5:1.
Once the reduced DC level drops below the shutdown threshold of around 200mV, the LED drive current will fall to zero and
the LEDs will be off.
The slope of the current reduction is determined by the beta value of the thermistor. The larger the Beta value the sharper
will be the resultant current control response. The slope of the current reduction is also affected by Q1’s base emitter voltage
variation with temperature.
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Series AMLDL-Z
Up to 1000mA | LED Driver
Output Current Adjustment By External DC Control Voltage:
1N4148
6.2K
VADJ
1.25V
+Vout
AMLDL-Z
1
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
1N4148
6.2K
VADJ
1.25V
+Vout
AMLDL-Z
1
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
1N4148
+Vout
AMLDL-Z
1
+5V ~ +Vin
6.2K
VADJ
1.25V
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
4.7K
1N4148
TL431
OUT: 0 ~ 2.5V
10K
+Vout
AMLDL-Z
1
1
6.2K
VADJ
1.25V
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
GND
1N4148
6.2K
VADJ
1.25V
+Vout
AMLDL-Z
1
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
1N4148
6.2K
VADJ
1.25V
+Vout
AMLDL-Z
1
10K
-Vin
1
1st LED
-Vout
Last LED
1
GND
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics:
AMLDL-3030Z
Frequency (KHz)
Operating Frequency vs Input Voltage
(Forward Voltage = 3.5V per LED)
Efficiency (%)
100
400
375
350
95
325
300
4 LED
225
200
85
175
150
75
50
25
5 LED
6 LED
7 LED
3 LED
90
275
250
125
100
Efficiency vs Vin
( Forward Voltage = 3.5V per LED)
2 LED
80
1 LED
2 LED
75
3 LED
4 LED
5 LED
6 LED
7 LED
1 LED
70
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Vin (V)
Output Current Vs VADJ
ILED (mA)
325
300
275
250
225
200
175
150
125
100
75
50
25
0
0
0.25
0.35
0.45
0.55
0.65
0.75
0.85
0.95
1.05
1.15
1.25
1.3
1.35
VADJ (V)
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics: AMLDL-3035Z
Operating Frequency vs Input Voltage
(Forward Voltage = 3.5V per LED)
Frequency (KHz)
375
Efficiency vs Vin
(Forward Voltage = 3.5V per LED)
Efficiency (%)
350
95.00
325
300
3 LED
250
225
7 LED
4 LED
90.00
275
6 LED
5 LED
2 LED
85.00
200
175
80.00
150
125
1 LED
100
75
50
25
75.00
1 LED
2 LED
3 LED
5 LED
4 LED
6 LED
7 LED
1 LED
70.00
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Vin (V)
Output Current Vs VADJ
ILED (mA)
375
350
325
300
275
250
225
200
175
150
125
100
75
50
25
0
0
0.25
0.35
0.45
0.55
0.65
0.75
0.85
0.95
1.05
1.15
1.25
1.3
1.35
VADJ (V)
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics: AMLDL-3050Z
Frequency (KHz)
Efficiency (%)
Operating Frequency vs Input Voltage
(Forward Voltage = 3.5V per LED)
350
Efficiency vs Vin
(Forward Voltage = 3.5V per LED)
100.00%
325
95.00%
300
3 LED
2 LED
4 LED
5 LED
6 LED
7 LED
275
250
90.00%
225
1LED
200
85.00%
175
150
80.00%
125
1 LED
100
75
50
1 LED
5 LED
3 LED
2 LED
6 LED
4 LED
7 LED
75.00%
25
7
8
70.00%
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Vin (V)
Output Current Vs VADJ
ILED (mA)
600
500
400
300
200
100
0
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
VADJ (V)
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics: AMLDL-3060Z
Operating Frequency vs Input Voltage
Frequency (KHz)
(Forward Voltage = 3.5V per LED)
325
300
275
250
225
200
175
150
125
100
75
50
25
0
Efficiency vs Vin
(Forward Voltage = 3.5V per LED)
Efficiency (%)
100%
95%
3 LED
4 LED
5 LED
6 LED
7 LED
2 LED
90%
85%
1 LED
80%
1 LED
2 LED
3 LED
5 LED
6 LED
4 LED
7 LED
75%
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
70%
Vin (V)
ILED (mA)
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Output Current Vs VADJ
700
600
500
400
300
200
100
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2 1.3
VADJ (V)
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics: AMLDL-3070Z
Frequency (KHz)
Operating Frequency vs Input
(Forward Voltage = 3.5V per LED))
Efficiency (%)
Efficiency vs Vin
(Forward Voltage = 3.5V per LED)
100%
350
325
300
95%
275
250
3 LED
4 LED
5 LED
6 LED
7 LED
2 LED
90%
225
1 LED
200
85%
175
150
80%
125
100
75
50
25
1 LED
2 LED
5 LED
3 LED
4 LED
75%
7 LED
6 LED
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
70%
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Vin (V)
Output Current Vs VADJ
ILED (mA)
700
600
500
400
300
200
100
0
0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.15 1.25
VADJ (V)
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Series AMLDL-Z
Up to 1000mA | LED Driver
Typical Characteristics: AMLD-30100Z
Frequency (KHz)
Operating Frequency vs Input Voltage
(Forward Voltage = 3.5V per LED)
Efficiency (%)
100%
300
275
95%
250
225
175
85%
150
100
3 LED
75
3 LED
2 LED
25
7
8
5 LED
6 LED
7 LED
1 LED
80%
1 LED
50
4 LED
2 LED
90%
200
125
Efficiency vs Vin
(Forward Voltage = 3.5V per LED)
75%
5 LED
4 LED
7 LED
6 LED
70%
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Vin (V)
Vin (V)
ILED (mA)
Output Current Vs VADJ
1100
1000
900
800
700
600
500
400
300
200
100
0
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
1.1 1.2 1.3
VADJ (V)
NOTE: 1. Datasheets are updated as needed and as such, specifications are subject to change without notice. Once printed or downloaded, datasheets are no longer
controlled by Aimtec; refer to www.aimtec.com for the most current product specifications. 2. Product labels shown, including safety agency certifications on labels, may vary
based on the date manufactured. 3. Mechanical drawings and specifications are for reference only. 4. All specifications are measured at an ambient temperature of 25°C,
humidity<75%, nominal input voltage and at rated output load unless otherwise specified. 5. Aimtec may not have conducted destructive testing or chemical analysis on all
internal components and chemicals at the time of publishing this document. CAS numbers and other limited information are considered proprietary and may not be available for
release. 6. This product is not designed for use in critical life support systems, equipment used in hazardous environments, nuclear control systems or other such applications
which necessitate specific safety and regulatory standards other the ones listed in this datasheet. 7. Warranty is in accordance with Aimtec’s standard Terms of Sale available at
www.aimtec.com.
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