參數(shù)資料
型號(hào)： MB3785
廠商： Fujitsu Limited
英文描述： Switching Regulator Controller (4 Channels plus High-Precision, High-Frequency Capabilities)
中文描述： 開關(guān)穩(wěn)壓器控制器（4通道加高精度，高頻率功能）
文件頁(yè)數(shù)： 8/29頁(yè)
文件大?。?/td> 293K
代理商： MB3785
8
MB3785A
I
ABSOLUTE MAXIMUM RAGINGS (See WARNING)
(Ta = +25
°
C)
Unit
* :The packages are mounted on the epoxy board (4 cm
×
4 cm).
WARNING:
Permanent device damage may occur if the above
Absolute Maximum Ratings
are exceeded.
Functional operation should be restricted to the conditions as detailed in the operational sections of
this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
I
RECOMMENDED OPERATING CONDITIONS
(Ta = +25
°
C)
* :The minimum value of the recommended supply voltage is 3.6 V except when the device operates with constant
output sink current.
Parameter
Symbol
Conditions
Rating
Power supply voltage
V
CC
—
20
V
Control input voltage
V
ICTL
—
20
V
Power dissipation
P
D
Ta
≤
+25
°
C
550*
mW
Operating ambient
temperature
T
OP
—
–30 to 85
°
C
Storage temperature
T
stg
—
–55 to 125
°
C
Parameter
Symbol
Conditions
Value
Unit
Min.
Typ.
Max.
Power supply voltage*
V
CC
—
4.5
6.0
18
V
Error amp. input voltage
V
I
—
–0.2
—
V
CC
–0.8
V
Comparator input voltage
V
I
—
–0.2
—
V
CC
V
Control input voltage
V
ICTL
—
–0.2
—
18
V
Output current
I
O
—
3.0
—
30
mA
Timing capacitance
C
T
—
68
—
1500
pF
Timing resistance
R
T
—
5.1
—
100
k
kHz
Oscillation frequency
f
OSC
—
100
500
1000
Operating ambient
temperature
T
OP
—
–30
25
85
°
C
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