NCP5030
DETAILED OPERATING DESCRIPTION
V Bat
2.7 to 5.5 V
4.7 m H 30 m W
VIN
10
PVIN
4
C in
10 m F
LX1
5/6
7
LX2
V OUT
PCA
12
1.18 V
1000 mV
Bandgap
Reference
and
Current Sources
I_SENSE
VIN
SENSE
CURRENT
P1
N1
P2
N2
8
9 VS
C out
22 m F
THERMAL
PROTECTION
D1
?
+
I_SENSE
+
IPEAK
COMP
VIN
VS
MODE
DETECTION
CONSTANT
TOFF
300 ns
RST
LOGIC
AND
ANTICROSS ?
CONDUCTION
OVP
COMP
OVP
+
?
OVP REF
?
PWM
COMP
ONE
SHOT
SET
VIN
?
UVLO
COMP
UVLO
UVLO REF
+
ERROR
AMP
?
1
FB
+
SOFT
START
200 mV
220 m
R_SENSE
RAMP
COMP
OSC
700 kHz
220 k
2
COMP
100 k
AGND
11
13
EXPOSED PAD
PGND
3
CTRL
22 pF
330 pF
ENABLE
Figure 15. Functional Block Diagram
http://onsemi.com
8
相关PDF资料
NCP5602EVB EVAL BOARD FOR NCP5602
NCP5603GEVB EVAL BOARD FOR NCP5603G HI FREQ
NCP5604AAGEVB EVAL BOARD FOR NCP5604AAG
NCP5608EVB EVAL BOARD FOR NCP5608
NCP5612GEVB EVAL BOARD FOR NCP5612G
NCV7680PWR22GEVB BOARD EVALUATION NCV7680
NDNA200 DIN-RAIL 35MM ALUMINUM 2M
NG-9517 CABLE GLAND NEMA 4X PG-29 BLACK
相关代理商/技术参数
NCP5030MTTXGEVB 制造商:ON Semiconductor 功能描述:NCP5030MTTXG EVAL BOARD ;ROHS COMPLIANT: NO
NCP5050 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:4.5 W Flash White LED Boost Driver
NCP5050 AW37A WAF 制造商:ON Semiconductor 功能描述:
NCP5050GEVB 功能描述:LED 照明开发工具 NCV8925 EVAL BRD RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装:
NCP5050MTTXG 功能描述:LED照明驱动器 IND WHITE LED DRIVE 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
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: