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AMC7136 схема включения Datasheet Download - ETC

Номер произв AMC7136
Описание Adjustable Constant Current LED Driver
Производители ETC
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AMC7136 Даташит, Описание, Даташиты
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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AMC7136 Даташит, Описание, Даташиты
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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AMC7136 Даташит, Описание, Даташиты
Absolute Maximum Ratings
AMC7136
Type
Symbol
Description
Value
Unit
Voltage
Vmax Maximum voltage on VDD, LED, EN, DR and CS 8
pins
V
Vmin-max
Current
ILEDmax
Power dissipation PSOT-89-5
Thermal
Tmin-max
Tstorage
ESD
VESD
Voltage range on LED pin
-0.3~VDD+0.3 V
Maximum current on LED pin
500 mA
Maximum Power dissipation for SOT-89-3 package 0.5
W
Operation temperature range
-20~85
oC
Storage temperature range
-40~165
oC
ESD voltage for human body model
2000
V
Electronic Characteristics
Parameter
Symbol
Test Condition
Sink current range
VDD=3.6
VDD range
ILED=350mA
CS voltage
Sink current accuracy
VCS
ILED/ILED
AMC5201X350
Load regulation
VLED=0.2V to 3V
VDD=3.6V
Line regulation
VDD=3V to 5.5V
Output dropout voltage
Supply current
Low voltage protection
VDO
IDD
Min Typ Max Unit
10 400 mA
2.7 6.0 V
47
50 53
mV
-5 5 %
2 mA/V
2 mA/V
100 mV
250 uA
2.3
2.5 2.7
V
Free Datasheet http://www.datasheet4u.net/






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