參數(shù)資料
型號: R1234D201B
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): 17/26頁
文件大小: 876K
代理商: R1234D201B
R1234D
17
R1234D181B
R1234D181B
4) Load Transient Response (V
IN
=5.0V, PWM)
-0.06
0.05
0.04
-0.01
-0.02
-0.05
0.03
0.02
0.01
-0.03
-0.04
0
0
4
Time t(
μ
s)
10
7
3
9
6
2
1
8
5
O
V
IN
=5V,
I
OUT
=200mA
ESR=400m
-0.04
0.04
-0.01
-0.03
0.02
0.01
0
-0.02
0.03
0
4
Time t(
μ
s)
10
7
3
9
6
2
1
8
5
O
V
IN
=5V,
I
OUT
=200mA
ESR=200m
R1234D181A
R1234D181B
0
300
200
0
0.1
-0.1
100
0
80
120
40
Time t (
μ
s)
160
O
O
(
m
)
Output Current
O
O
(
0mA 100mA
Output Voltage
0
300
200
100
0
0.1
-0.1
0
80
120
40
Time t (
μ
s)
160
O
O
(
m
)
O
O
(
0mA 100mA
Output Current
Output Voltage
R1234D181A
R1234D181B
0
-0.2
300
200
100
0.1
-0.1
0
0
80
120
40
Time t (
μ
s)
160
O
O
(
m
)
O
O
(
0mA 200mA
Output Current
Output Voltage
0
-0.2
300
200
100
0.1
-0.1
0
0
80
120
40
Time t (
μ
s)
160
O
O
(
m
)
O
O
(
0mA 200mA
Output Current
Output Voltage
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