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MB3776APNF Datasheet(PDF) 5 Page - Fujitsu Component Limited.

Part # MB3776APNF
Description  Switching Regulator Controller
Download  16 Pages
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Manufacturer  FUJITSU [Fujitsu Component Limited.]
Direct Link  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB3776APNF Datasheet(HTML) 5 Page - Fujitsu Component Limited.

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MB3776A
5
s
s
s
s ELECTRICAL CHARACTERISTICS
1.
Reference Section and Error Amp. Section
(Ta = +25
°C, VCC = 3 V)
2.
Saw-tooth Waveform Oscillator Section
(Ta = +25
°C, VCC = 3 V)
3.
Under Lockout Protection
(Ta = +25
°C, VCC = 3 V)
4.
Dead-time Control Section
(Ta = +25
°C, VCC = 3 V)
Parameter
Symbol
Condition
Value
Unit
Min
Typ
Max
Input threshold voltage
VT
VFB = 450 mV
487
507
527
mV
VT input stability
VTdV1
VCC = 2.0 V to 6.0 V
–5
5
mV
VTdV2
VCC = 6.0 V to 15 V
–5
5
mV
VT temp. stability
VTdT
Ta = –30 °C to +75 °C
–3
3
%
Input bias current
IB
VIN = 0 V to 0.6 V
–1.0
–0.2
1.0
µA
Voltage gain
AV
70
100
145
V/V
Frequency band width
BW
AV = 0 dB
6
MHz
Parameter
Symbol
Condition
Value
Unit
Min
Typ
Max
Oscillator frequency
fOSC
RT = 3.0 k
CT = 1000 pF
160
200
240
kHz
Frequency input stability
fdV
VCC = 2.0 V to 15 V
±2—
%
Frequency temp. stability
fdT
Ta = –30°C to +75°C
±10
%
Parameter
Symbol
Condition
Value
Unit
Min
Typ
Max
Threshold voltage
VTH
——
1.4
V
Parameter
Symbol
Condition
Value
Unit
Min
Typ
Max
Max duty cycle
tDUTY
CT = 1000 pF
RT = 3.0 k
VFB = 0.9 V
60
70
85
%


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