參數(shù)資料
型號(hào): R1234D281A
廠商: Ricoh Co., Ltd.
英文描述: PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
中文描述: 脈寬調(diào)制/ VFM的降壓型DC / DC同步整流變換器
文件頁數(shù): 2/26頁
文件大?。?/td> 876K
代理商: R1234D281A
R1234D
BLOCK DIAGRAM
2
R1234Dxx1A/B
V
IN
Lx
V
OUT
OSC
Vref
CE
Chip Enable
Soft Start
Current Protection
OUTPUT
CONTROL
UVLO
Phase Comp.
“H” Active
MODE
6
PGND
V
DD
3
“L” PWM
CE
1
8
2
7
4
5
“H” VFM
PWM/VFM
CONTROL
AGND
R1234Dxx1C/D
V
IN
Lx
V
FB
OSC
Vref
CE
Chip Enable
Soft Start
Current Limit
OUTPUT
CONTROL
UVLO
Phase Comp.
“H” Active
MODE
6
PGND
V
DD
3
“L” PWM
1
8
2
7
4
5
“H” VFM
PWM/VFM
CONTROL
AGND
相關(guān)PDF資料
PDF描述
R1234D281B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D291A PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D291B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D301A PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D301B PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
R1234D281B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D291A 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D291B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D301A 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier
R1234D301B 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier