NCP5050
90
80
70
60
50
40
30
20
V out = 2 LEDs
(7.0 V @ 350 mA)
10
0
10
100
V in = 3.7 V
1000
I out (mA)
Figure 2. Typical Efficiency
2.7 to 5.5 V
2.7 m H
D1
1 m F 0805 25V
Up to 20 V / 4.5 W
C1
4.7 m F 0603
6.3 V
C in
PVIN
L1
SW
C2
C out
D2
9
10
OSC
Thermal
PCA
5
1.7MHz
Shut down
OVP
2
VS
D6
R1
2.8k
CTRL
3
PWM CONTROLLER
Band Gap
7
FB
ENABLE
250k
FLASH/TORCH
4
CM
6
HCS
2.0
R2
R HCS
8
LCS
1
R3
R LCS
PGND
10.0
Figure 3. Simplified Block Diagram
http://onsemi.com
2
相关PDF资料
NCP5111DR2G IC DRIVER HI/LOW SIDE HV 8-SOIC
NCP5304DR2G IC DRIVER HI/LOW SIDE HV 8-SOIC
NCP5355DG IC DRVR SYNC BUCK MOSF 12A 8SOIC
NCP5359ADR2G IC MOSFET GATE DVR DUAL 8-SOIC
NCP5359DR2G IC GATE DRIVER VR11.1/AMD 8-SOIC
NCP5360RMNR2G IC DRIVER MOSFET 56QFN
NCP5366MNR2G IC DRIVER MOSFET DFN
NCP5369MNR2G IC DRIVER MOSFET DFN
相关代理商/技术参数
NCP508 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator
NCP5080 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Xenon Photoflash Capacitor Charge with Photo Sense Interface
NCP5080 AX95A WAF 制造商:ON Semiconductor 功能描述:
NCP5080MUTXG 功能描述:LED照明驱动器 HI VLTG BOOST DVR 2.7-5.5V RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
NCP508MN15TBG 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator
NCP508MN18TBG 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator
NCP508MN25TBG 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator
NCP508MN28TBG 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Very Low Noise, Fast Turn On, 50 mA Low Dropout Voltage Regulator