NJW4603
MOSFET
LED
NJW4603 MOSFET
3ch 24 LED
30V
LED
±2% max.
PWM
LED
1MHz
CPU NJW4603
LCD LED
LED IC 6V ~
80m...
NJW4603
MOSFET
LED
NJW4603 MOSFET
3ch 24 LED
30V
LED
±2% max.
PWM
LED
1MHz
CPU NJW4603
LCD LED
LED IC 6V ~
80mA LED
MOSFET
UVLO LED
300kHz ~
PC
NJW4603V (SSOP32)
▪ SW.REG. ▪ ▪ 3ch ▪ LED ▪ PWM ▪ ▪ ▪ ▪ LED ▪ SW.REG ▪ SW.REG ▪ ▪ UVLO ▪ ISET ▪
MOSFET : 6.0V ~ 30V : 10mA ~ 80mA : ±2% max. ( : 300kHz ~ 1MHz
: SSOP32
)
Ver.2013-07-01
-1-
NJW4603
1. FBI 2. ISET 3. RT 4. N.C. 5. N.C. 6. LED1 7. LED2 8. LED3 9. N.C. 10. OVP 11. N.C. 12. IGND 13. N.C. 14. N.C. 15. PGND1 16. PGND2
NJW4603
32. N.C. 31. N.C. 30. FBO 29. EI 28. EO 27. SS 26. FLT 25. PWM 24. EN 23. REG 22. AGND 21. N.C. 20. VDD 19. N.C. 18. SW2 17. SW1
EN REG
RT FLT
PWM SS EO EI
VDD
Regulator
UVLO
OSC
Logic
SW1 TSD
SW2
OCP OVP
PGND1 PGND2 OVP
LED Open/Short Protection
Feedback Control
Current Setting
Current Sink
LED1 LED2 LED3
AGND
FBO FBI
ISET
IGND
-2-
Ver.2013-07-01
LED OVP EN REG FLT SW
V+
VLED1∼VLED3 VOVP VEN VREG VFLT VSW
SS, EO, EI, FBO, FBI, ISET, R...
