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QX7138 PWM 、 LED 。
QX7138 NMOS LED , , 20mA 3.0A。
QX7138 DIM PWM ,DIM 200HZ 10KHZ, ,DIM 。
QX7138 3.0V 6.0V, 6.0V , 6.0V LED 。
QX7138 SOT-23-5 。
QX7138 PWM LED
:2.7V~6.0V PWM :200HZ~10KHZ :20mA 3.0A。 :±5% NMOS 400V ,
3.0A。
LED PWM LED LED 、LED 、LED 、
LED
VIN
VIN
DC
…
DC
RCL
VDD DRV
M1
VDD DRV
M1
QX7138 QX7138
DIM
CS
CIN
GND
RCS
DIM
CS
CIN
Zener
GND
RCS
QX7138_DS02CN
(a)
1:QX7138
()
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(b)
1 of 8
QX7138 PWM LED
QX7138
7138X
DIM
DRV
5
4
7138X
1
GND
2
3
CS VDD
SOT-23-5
QX7138_DS02CN
()
www.qxmd.com.cn
2 of 8
1 2 3 4 5
QX7138 PWM LED
GND CS VDD DRV DIM
NMOS PWM
VDD CS
DIM
DRV GND
2:QX7138
QX7138_DS02CN
()
www.qxmd.com.