参数资料
型号: BD8151EFV-E2
厂商: Rohm Semiconductor
文件页数: 6/20页
文件大小: 0K
描述: IC PWR SUPPLY 1CH 20HTSSOP
标准包装: 2,500
应用: LCD 监视器,笔记本电脑显示器
电流 - 电源: 1.2mA
电源电压: 2.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-HTSSOP-B
包装: 带卷 (TR)
BD8151EFV, BD8157EFV
● Pin Assignment Diagram
● Block Diagram
Technical Note
SW
1
20
PGND
CURRENT
VCC
2
SENSE
19
GND
SLOPE
+
SW
VCC
PGND
GND
ENB
3
OSC
SET
DRV
LOGIC
RESET SDWN
OCP
- 18
ERR
+ 1.245V
FB
ENB
FCLK
FB
COMP
FCLK
4
UVLO
17
COMP
VS
SS
TSD
PWM
+ -
COMIN
IN1
VCOM
OUT1
VS
5
BUFFER SUPPLY
SOFT
START
16
SS
IN2
OUT2
IN3
IN4
OUT3
OUT4
COMIN 6
15 VCOM
IN1
IN2
IN3
IN4
7
8
9
10
14
13
12
11
OUT1
OUT2
OUT3
OUT4
TOP VIEW
Fig. 25 Pin Assignment Diagram and Block Diagram
● Pin Assignment Diagram and Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin name
SW
VCC
ENB
FCLK
VS
COMIN
IN1
IN2
IN3
IN4
OUT4
OUT3
OUT2
OUT1
VCOM
SS
COMP
FB
GND
PGND
N-channel power FET drain output
Power supply input pin
Control input pin
Frequency switching pin
Buffer power supply input pin
VCOM input pin
Amp input pin 1
Amp input pin 2
Amp input pin 3
Amp input pin 4
Amp output pin 4
Amp output pin 3
Amp output pin 2
Amp output pin 1
VCOM output pin
Soft start current output pin
Error amp output pin
Error amp inversion input pins
Ground pin
Ground pin
Function
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? 2009 ROHM Co., Ltd. All rights reserved.
6/17
2009.07 - Rev.B
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