RT9226B 查看數據表（PDF） - Richtek Technology
零件编号
产品描述 (功能)
比赛名单
RT9226B Datasheet PDF : 6 Pages
| |||
Preliminary
RT9226B
Function Block Diagram
EN
SS
GND
FB
PGOOD
VSEN
10µA
4.5V
Vref
Soft
Start
Error
Amp
Output
Voltage
Monitor
47KΩ
Power-on
Reset
Over Current
Comparator
_
Control
Logic
PWM
Comparator
Gate
Oscillator
Control
Logic
200µA
VCC
VCC
OCSET
PHASE
BOOT
UGATE
PGNDH
LGATE
PGNDL
Pin Description
Pin No. Pin Name
1
VSEN
2
OCSET
3
SS
4
FB
5
EN
6
GND
7
PGNDH
8
PGOOD
9
PHASE
10
UGATE
11
BOOT
12
PGNDL
13
LGATE
14
VCC
Pin Function
Output Voltage Monitoring Input
Current Limit Set Pin with 200µA Current Sink
Soft Start, connect a capacitor from this pin to GND
Feedback Input Pin
Regulator Enable with Low Shutdown
Ground
High Side Drive GND
Power Good Indication Output
Current Limit Sense Input
High Side Driver Output
Driver Power
Low Side Driver GND
Low Side Driver Output
Power Supply Input
DS9226B-01 May 2001
www.richtek-ic.com.tw
3
Share Link: 