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零件编号
产品描述 (功能)
MB3800PFV 查看數據表(PDF) - Fujitsu
零件编号
产品描述 (功能)
比赛名单
MB3800PFV
BIPOLAR Switching Regulator Controller(Low Voltage)
Fujitsu
MB3800PFV Datasheet PDF : 20 Pages
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MB3800
(Continued)
Parameter
Symbol
Condition
Output section
Output current
setting section/
Control section
Entire device
Output voltage
Output source current
Output sink current
Pull down resistance
Pin voltage
Input off condition
Input on condition
Pin current range
Stand-by current
Average supply
current
V
OH1
V
OH2
V
OL1
V
OL2
I
O+
I
O–
R
O
V
BR
I
OFF
I
ON
I
BR
I
CCS
I
CC
R
B
= 390
Ω
, I
O
= –15 mA
R
B
= 750
Ω
, V
CC
= 1.8 V
I
O
= –10 mA
R
B
= 390
Ω
, I
O
= 15 mA
R
B
= 750
Ω
, V
CC
= 1.8 V
I
O
= 10 mA
R
B
= 390
Ω
, V
O
= 0.9 V
R
B
= 390
Ω
, V
O
= 0.3 V
—
R
B
= 390
Ω
—
BR/CTL pin open or V
CC
R
B
= 390
Ω
Value
Unit
Min Typ Max
1.0 1.2 — V
0.8 1.0 — V
— 0.1 0.2 V
— 0.1 0.2 V
— –30 –20 mA
30 60 — mA
20 30 40 k
Ω
0.2 0.3 0.4 V
–20 — 0
µ
A
— — –45
µ
A
–1.8 — –0.1 mA
— — 1
µ
A
— 5.5 9.3 mA
■
DIAGRAM
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
ON
Power supply control SW
OFF
Soft start
t
S
Output
short
circuit
t
PE
Output short circuit
Short circuit
detection
6
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