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PDF RP2401 Data sheet ( Hoja de datos )
| Número de pieza | RP2401 | |
| Descripción | Adjustable Constant Current LED Driver | |
| Fabricantes | RICHPOWER | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RP2401 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Preliminary
RP2401
Adjustable Constant Current LED Driver
General Description
Features
The RP2401 is a constant current regulator for driving LEDs
with low quiescent current and low dropout voltage. The
current is adjustable from 100mA to 400mA with an
external resistor. Soft start, thermal protection and under
voltage protection are also provided.
2%
Sink Current: 100mA to 400mA adjustable
An external resistor to set current level
Power Supply Voltage: 2.7V to 6V
Low Dropout Voltage: 150mV@350mA (VLED to GND)
Low Quiescent Current: 250µA
Thermal Protection
Soft Start
Low Voltage Protection (UVLO): 2.5V
SOT-89-5 Package
Ordering Information
RP2401
Package Type
X5: SOT-89-5
Operating Temperature Range
G: Green ( Halogen Free with Commer-
cial Standard
Applications
Power LED Driver
Sink Current Regulator
Note :
Richpower Green products are :
RoHS compliant and compatible with the current
requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
Pin Configurations
(TOP VIEW)
LED NC
Marking Information
For marking information, contact our sales representative
directly or through a Richpower distributor located in your
area.
54
23
ISET GND VDD
SOT-89-5
RP2401-01P Jan 2010
1
1 page  
Preliminary
RP2401
Supply Current vs. VDD Voltage
400
350
300
250
200
150
100
50
0
2.7 3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
VDD Voltage (V)
Soft-Start Time vs. Temperature
100
90
80
70 VDD = 3.6V
60
50
40
30
20
10
0
-40 -20
0 20 40 60 80 100 120 140
Temperature (°C)
100
90
80
70
60
50
40
30
20
10
0
2.7
Soft-Start Time vs. VDD Voltage
3 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
VDD Voltage (V)
VDD
(2V/Div)
VLED
(2V/Div)
ILED
(50mA/Div)
Switch on Response
Switch on Response
VDD= 3.6V, RSET= 24k
Time (10µs/Div)
VDD
(2V/Div)
VLED
(2V/Div)
ILED
(200mA/Div)
VDD= 3.6V, RSET= 100k
Time (40µs/Div)
RP2401-01P Jan 2010
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet RP2401.PDF ] | |
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