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BD6581GU
? LED current setting controlled ISETH resistor.
19.6k ? : 24.5mA
24k ? : 20mA
30k ? : 16mA
33k ? : 14.5mA
Datasheet
? Brightness control
* Please select the capacitor which the little bias fluctuation.
Please input PWM pulse from PWMPOW or PWMDRV terminal.
Please refer electrical characteristic page.6 and function (page.17).
For the application of 22V and more
Coil power supply
6~30V
Battery
For big current LED
Battery
10 μ F
4.7 μ H
8LED x 6 parallel
10 μ F
4.7 μ H
8LED x 1 parallel
2.2 μ F *
2.2 μ F *
RTR020N05
51m ?
SW
SENSP
FAILSEL
VDET
RTR020N05
82m ?
SW
SENSP
FAILSEL
VDET
SENSN
SENSN
Power
ON/OFF
RSTB
Power
ON/OFF
RSTB
PWMPOW
LED1
PWMPOW
LED1
200Hz
PWM
PWMDRV
LED2
LED3
100Hz~10kHz
PWM
PWMDRV
LED2
LED3
LED5
LED5
2.7~22V
IC
power
supply
1 μ F
1 μ F
VBAT
LED4
VREG
GND GND GND GND TEST ISETH ISETL LED6
24k ?
Each 20mA
1 μ F
VBAT
LED4
VREG
GND GND GND GND TEST ISETH ISETL LED6
24k ?
120mA
Can be set up to each 10~25mA
Figure 59.
The separation of less than an IC power supply 5V and the coil power supply
Coil power supply
6~30V
Battery
Figure 60.
Can be set up to 60~150mA
10 μ F
4.7 μ H
2.2 μ F *
10LED x 6 parallel
RTR020N05
SW
SENSP
FAILSEL
VDET
51m ?
SENSN
Power
ON/OFF
RSTB
PWMPOW
LED1
200Hz
PWM
PWMDRV
LED2
LED3
LED5
2.7~5.5V
IC
power
supply
1 μ F
1 μ F
VBAT
LED4
VREG
GND GND GND GND TEST ISETH ISETL LED6
24k ?
Each 20mA
Can be set up to each 10~25mA
Figure 61.
* Please select the capacitor which the little bias fluctuation.
www.rohm.com
? 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111 ? 15 ? 001
28/32
TSZ02201-0G3G0C400170-1-2
03.Dec.2012 Rev.001
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