データシート検索エンジンとフリーデータシート
部品番号
コンポーネント説明
MB3800 データシートの表示(PDF) - Fujitsu
部品番号
コンポーネント説明
一致するリスト
MB3800
BIPOLAR Switching Regulator Controller(Low Voltage)
Fujitsu
MB3800 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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