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參數(shù)資料
| 型號(hào)： | R1234D131A |
| 廠(chǎng)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(yè)數(shù)： | 9/26頁(yè) |
| 文件大?。?/td> | 876K |
| 代理商： | R1234D131A |
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R1234D
TEST CIRCUITS
9
Test Circuit for Input Current and Leakage Current
A
Lx
V
IN
CE
V
OUT
MODE
V
DD
AGND
PGND
1
3
7
2
8
4
5
6
R1234D
Series
OSCILLOSCOPE
Lx
V
IN
CE
V
OUT
MODE
V
DD
AGND
PGND
1
3
7
2
8
4
5
6
R1234D
Series
Test Circuit for Input Voltage and UVLO voltage
OSCILLOSCOPE
L
V
OUT
10
μ
F
Lx
V
IN
CE
V
OUT
MODE
V
DD
AGND
PGND
1
3
7
2
8
4
5
6
R1234D
Series
Test Circuit for Output Voltage, Oscillator Frequency, Soft-Starting Time
Test Circuit for Supply Current and Standby Current
The bypass capacitor between power supply and GND is a ceramic capacitor 10
μ
F.
A
Lx
V
IN
CE
V
OUT
MODE
V
DD
AGND
PGND
1
3
7
2
8
4
5
6
R1234D
Series
OSCILLOSCOPE
A
Lx
V
IN
CE
V
OUT
MODE
V
DD
AGND
PGND
1
3
7
2
8
4
5
6
R1234D
Series
Test Circuit for ON resistance of L
X
,
Limit Voltage, Delay Time of Protection Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1234D131B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D141A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D141B | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151A | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151B | 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 |
|---|---|
| R1234D131B | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D141A | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D141B | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151A | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
| R1234D151B | 制造商:RICOH 制造商全稱(chēng):RICOH electronics devices division 功能描述:PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |
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