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LED Driver. AMC7136 Datasheet |
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| Part Number | AMC7136 |
| Description | Adjustable Constant Current LED Driver |
| Manufacture | ETC |
| Total Page | 4 Pages |
| PDF Download |
AMC7136
Adjustable Constant Current LED Driver AMC7136
General Description
The AMC7136 is a constant current regulator for
driving LEDs with low quiescent current and low
dropout voltage. The current is adjustable from
10mA to 400mA with an external resistor.
Only one external resistor is required to achieve a
constant current LED driver.
Soft start, thermal protection and low voltage
protection are also provided.
A driver pin DR is provided for current and
voltage extension. Adding an external NMOS or
NPN transistor to this pin can extend current and
voltage range.
Ordering Information
AMC7136
Features
y Sink current: 10mA to 400mA adjustable
with an external resistor
y Current and voltage range extendable by
adding an external NMOS or NPN transistor
y Power supply voltage: 2.7-6V
y Low drop out voltage: 100mV@350mA
y Low quiescent current: 250uA
y Thermal protection
y Soft start
y Low voltage protection: 2.5V
y SOT-89-5 package
Applications
y Power Led driver
Block Diagram
VDD
EN 7136
Low voltage
protection
Thermal
50mV
protection
bandgap
Soft start
DR
LED
CS
GND
Free Datasheet http://www.datasheet4u.net/
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Pin Configurations
Typical Application
LED
5
DRV
4
AMC7136
(SOT-89-5)
12
3
CS GND VDD
AMC7136
2.7-6V
VDD
7136
GND
LED
CS
Low voltage Application
High voltage
Rext
Zener
Diode
2.7-6V
High voltage application
VDD
7136
GND
DR
CS
Rext
Free Datasheet http://www.datasheet4u.net/
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| Features | Datasheet pdf AMC7136 Adjustable Constant Current LED Driver AMC7136 General Description The AMC7136 is a constant current regulator for driving LEDs with low quiescent cu rrent and low dropout voltage. The curr ent is adjustable from 10mA to 400mA wi th an external resistor. Only one exter nal resistor is required to achieve a c onstant current LED driver. Soft start, thermal protection and low voltage pro tection are also provided. A driver pin DR is provided for current and voltage extension. Adding an external NMOS or NPN transistor to this pin can extend c urrent and voltage range. Features y S ink current: 10mA to 400mA adjustable w ith an external resistor y Current and voltage range extendable by adding an e xternal NMOS or NPN transistor y Power supply voltage: 2.7-6V y Low drop out v oltage: 100mV@350mA y Low quiescent cur rent: 250uA y Thermal protection y Soft start y Low voltage protection: 2.5V y SOT-89-5 package Ordering Information AMC7136 Applications y Power Led driver Block Diagram VDD E. |
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