參數(shù)資料
型號(hào): R1234D331B
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(yè)數(shù): 19/26頁(yè)
文件大小: 876K
代理商: R1234D331B
R1234D
19
R1234D181A
R1234D181B
5) Turn on speed with CE pin
-0.1
0
300
200
100
0.2
0.1
0
0
20
30
10
Time t (
μ
s)
40
O
O
(
m
)
O
O
(
200mA 0mA
Output Voltage
Output Current
-0.1
0
300
200
100
0.2
0.1
0
0
20
30
10
Time t (
μ
s)
40
O
O
(
m
)
O
O
(
200mA 0mA
Output Voltage
Output Current
R1234D181A
R1234D181B
2
1
0
4
2
0
2.8
0.4
1.6
2.4
0.8
0
1.2
2.0
Time t(
μ
s)
C
C
(
CE Input Voltage
Output Voltage
PWM, I
OUT
=0mA
O
O
(
2
1
0
4
2
0
2.8
0.4
1.6
2.4
0.8
0
1.2
2.0
Time t(
μ
s)
C
C
(
PWM, I
OUT
=0mA
O
O
(
CE Input Voltage
Output Voltage
R1234D181A
R1234D181B
2
1
0
4
2
0
2.8
0.4
1.6
2.4
0.8
0
1.2
2.0
Time t(
μ
s)
C
C
(
PWM, I
OUT
=50mA
O
O
(
CE Input Voltage
Output Voltage
2
1
0
4
2
0
2.8
0.4
1.6
2.4
0.8
0
1.2
2.0
Time t(
μ
s)
C
C
(
PWM, I
OUT
=50mA
O
O
(
CE Input Voltage
Output Voltage
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