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LED Driver. QX7135 Datasheet

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LED Driver. QX7135 Datasheet






QX7135 Driver. Datasheet pdf. Equivalent




QX7135 Driver. Datasheet pdf. Equivalent





Part

QX7135

Description

Constant Current LED Driver



Feature


Preliminary QX7135 Constant Current LE D Driver QX7135 General Description THE QX7135 is a constant current regulator for driving LEDs with low quiescent cu rrent and low dropout voltage. The curr ent ranges from 100mA to 400mA with 10m A step. No external com ponent is requi red to achieve a constant current LED d river. Soft start, therm al protection and low voltage pr.
Manufacture

QXMD

Datasheet
Download QX7135 Datasheet


QXMD QX7135

QX7135; otection are also provided. Features y Sink current: 100mA to 400mA with 10mA step. y Power supply voltage: 2.7-6V y Low drop out voltage: 150mV@350mA y Low quiescent current: 250uA y Thermal pro tection y Soft start y Low voltage prot ection: 2.5V y SOT-89-3 and TO-252-2 pa ckages Ordering Information QX7135 X X X Applications Sink Current: 10: 100mA 11: 110mA 39: 39.


QXMD QX7135

0mA 40: 400mA y Power Led driver Packa ge Type: T: SOT-252-2 E: SOT-89-3 Bloc k Diagram and Typical Applications 2.7 -6V Low voltage protection Thermal pro tection bandgap Soft start VDD LED 50m V QX7135 GND QX Micro Devices Co., Lt d. 1 of 5 http://www.Datasheet4U.co m Preliminary QX7135 Pin Assignment QX7135EXX (SOT-89-3) 1 LED 2 GND 3 VDD LED QX7135TXX (T.


QXMD QX7135

O-252-2) 1 2 GND 3 VDD Absolute Maxi mum Ratings Type Voltage Symbol Vmax Vm in-max Current Power dissipation ILEDma x PSOT-89-5 PSOT-252-3 Description Maxi mum voltage on VDD and LED pins Voltage range on LED pin Maximum current on LE D pin Maximum Power dissipation for SOT -89-3 package Maximum Powe r di ssipati on f or S OT-252-2 package Operation te mperature range to.

Part

QX7135

Description

Constant Current LED Driver



Feature


Preliminary QX7135 Constant Current LE D Driver QX7135 General Description THE QX7135 is a constant current regulator for driving LEDs with low quiescent cu rrent and low dropout voltage. The curr ent ranges from 100mA to 400mA with 10m A step. No external com ponent is requi red to achieve a constant current LED d river. Soft start, therm al protection and low voltage pr.
Manufacture

QXMD

Datasheet
Download QX7135 Datasheet




 QX7135
Preliminary
QX7135
Constant Current LED Driver QX7135
General Description
THE QX7135 is a constant current regulator for
driving LEDs with low quiescent current and low
dropout voltage. The current ranges from 100mA
to 400mA with 10mA step.
No external com ponent is required to achieve a
constant current LED driver.
Soft start, therm al protection and low voltage
protection are also provided.
Ordering Information
QX7135 X X X
Sink Current:
10: 100mA
11: 110mA
39: 390mA
40: 400mA
Package Type:
T: SOT-252-2
E: SOT-89-3
Features
y Sink current: 100mA to 400mA with 10mA
step.
y Power supply voltage: 2.7-6V
y Low drop out voltage: 150mV@350mA
y Low quiescent current: 250uA
y Thermal protection
y Soft start
y Low voltage protection: 2.5V
y SOT-89-3 and TO-252-2 packages
Applications
y Power Led driver
Block Diagram and Typical Applications
2.7-6V
Low voltage
protection
Thermal
protection
VDD
50mV
bandgap
LED
Soft start QX7135 GND
QX Micro Devices Co., Ltd.
泉芯电子技木有限公司
1
of 5
http://www.Datasheet4U.com




 QX7135
Pin Assignment
Preliminary
QX7135
QX7135EXX
(SOT-89-3)
12
LED GND
3
VDD
QX7135TXX
(TO-252-2)
12
GND
LED
3
VDD
Absolute Maximum Ratings
Type
Symbol
Description
Value
Unit
Voltage
Vmax Maximum voltage on VDD and LED pins
10
V
Vmin-max
Voltage range on LED pin
-0.3~VDD+0.3 V
Current
ILEDmax
Maximum current on LED pin
500 mA
Power dissipation PSOT-89-5
Maximum Power dissipation for SOT-89-3 package 0.5
W
PSOT-252-3
Maximum Powe r di ssipation f or S OT-252-2 0.8 W
package
Thermal
Tmin-max
Tstorage S
Operation temperature range
torage temperature range
-20~85
-40~165
oC
oC
ESD
VESD
ESD voltage for human body model
2000
V
Electronic Characteristics
Parameter Symb
ol Test Condition
Min Typ Max Unit
Sink current range
VD
D=3.6
100 400 mA
VDD range
Sink current accuracy
ILE
ILED/ILED
D=350mA
-5
2.7
6.0 V
5%
Load regulation
VLE
D=0.2V to 3V
VDD=3.6V
2 mA/V
Line regulation
Output dropout voltage
Supply current
Low voltage protection
Thermal protection
VD
VDO
IDD
D=3V to 5.5V
2 mA/V
150 mV
250 uA
2.3
2.5 2.7
V
140 oC
QX Micro Devices Co., Ltd.
泉芯电子技木有限公司
2 of 5




 QX7135
Preliminary
Typical Dropout Performance
ILED VS. VLED
300
250
200
150
100
50
0
0
200 400
VLED(mV)
Typical Power Supply Current
300
280
260
240
220
200
180
160
140
120
2
3
4
VDD(V)
600
5
QX7135
800
6
QX Micro Devices Co., Ltd.
泉芯电子技木有限公司
3 of 5






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