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MB3800PFV-E1 데이터 시트보기 (PDF) - Fujitsu
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MB3800PFV-E1
BIPOLAR Switching Regulator Controller(Low Voltage)
Fujitsu
MB3800PFV-E1 Datasheet PDF : 20 Pages
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MB3800
■
ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Condition
Circuit to prevent
malfunction at low
input voltage
(U.V.L.O.)
Soft start
Short circuit
detection (S.C.P.)
Sawtooth wave
oscillator (OSC)
Error amplifier
Reset voltage
Threshold voltage
Charging current
Voltage at soft start
completion
Charging current
Threshold voltage
Oscillation frequency
Frequency input
stability
Frequency variation
with temperature
Input threshold
voltage
V
T
input stability
V
T
variation with
temperature
Input bias current
Voltage gain
Frequency bandwidth
Maximum output
voltage range
Output source current
Output sink current
Idle period
adjustment section
Maximum duty cycle
V
R
—
V
TH
I
CS
V
SCP
= 0 V
V
tS
—
I
CPC
V
SCP
= 0 V
V
tPC
—
f
OCS
R
T
= 3.0 k
Ω
, C
T
= 270 pF
f
dV
V
CC
= 2 V to 15 V
f
dT
Ta = –30°C to +85°C
V
T
V
TdV
V
TdT
I
B
A
V
BW
V
OM+
V
OM–
I
OM+
I
OM–
t
DUTY
V
FB
= 450 mV
V
CC
= 2 V to 15 V
Ta = –30°C to +85°C
V
IN
= 0 V
—
A
V
= 0 dB
—
V
FB
= 0.45 V
R
T
= 3.0 k
Ω
, C
T
= 270 pF
V
FB
= 0.8 V
(V
CC
= +2 V, Ta = +25
°
C)
Value
Unit
Min Typ Max
— — 0.9 V
1.1 1.3 1.5 V
–1.5 –1.0 –0.7
µ
A
0.7 0.8 0.9 V
–1.5 –1.0 –0.7
µ
A
0.7 0.8 0.9 V
400 500 600 kHz
— 2 10 %
— 5 —%
480 500 520 mV
— 5 20 mV
— 1 —%
–1.0 –0.2 +1.0
µ
A
70 100 145 V/V
— 6 — MHz
0.78 0.87 — V
— 0.05 0.2 V
— –40 –24
µ
A
24 40 —
µ
A
65 75 85 %
(Continued)
5
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