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參數(shù)資料
| 型號： | MB3800 |
| 廠商： | Fujitsu Limited |
| 英文描述： | Switching Regulator Controller(脈寬調(diào)制系統(tǒng)開關(guān)穩(wěn)壓器控制器) |
| 中文描述： | 開關(guān)穩(wěn)壓器控制器（脈寬調(diào)制系統(tǒng)開關(guān)穩(wěn)壓器控制器） |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 282K |
| 代理商： | MB3800 |
MB3800
6
(Continued)
■
DIAGRAM
Parameter
Symbol
Condition
Value
Unit
Min
Typ
Max
Output section
Output voltage
V
OH1
R
B
= 390
, I
O
= –15 mA
R
B
= 750
, V
CC
= 1.8 V
I
O
= –10 mA
R
B
= 390
, I
O
= 15 mA
R
B
= 750
, V
CC
= 1.8 V
I
O
= 10 mA
R
B
= 390
, V
O
= 0.9 V
R
B
= 390
, V
O
= 0.3 V
1.0
1.2
—
V
V
OH2
0.8
1.0
—
V
V
OL1
—
0.1
0.2
V
V
OL2
—
0.1
0.2
V
Output source current
I
O+
—
–30
–20
mA
Output sink current
I
O–
30
60
—
mA
k
V
μ
A
μ
A
mA
μ
A
Pull down resistance
R
O
—
20
30
40
Output current
setting section/
Control section
Pin voltage
V
BR
R
B
= 390
0.2
0.3
0.4
Input off condition
I
OFF
—
–20
—
0
Input on condition
I
ON
—
—
–45
Pin current range
I
BR
–1.8
—
–0.1
Entire device
Stand-by current
I
CCS
BR/CTL pin open or V
CC
—
—
1
Average supply
current
I
CC
R
B
= 390
—
5.5
9.3
mA
t
S
t
PE
ON
OFF
FB pin voltage
Reference input for short circuit
detection comparator
Idle period setting voltage
Sawtooth wave output
Soft start setting voltage
OUT pin waveforms
SCP pin waveforms
Power supply control SW
Soft start
Output
short
circuit
Output short circuit
Short circuit
detection
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