參數(shù)資料
型號: R1234D331A
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): 9/26頁
文件大?。?/td> 876K
代理商: R1234D331A
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
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參數(shù)描述
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