BD9997FVT 查看數據表（PDF） - ROHM Semiconductor
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BD9997FVT Datasheet PDF : 5 Pages
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○Electric Characteristics （Unless otherwise specified, Vcc=5.0[V], VOUT=5.0[V], Ta=25[℃]）
Parameter
Symbol
Current consumption
Current consumption
Current consumption
(Shutdown mode)
Output voltage range
Soft start beginning time
ERRVREF voltage
Oscillator frequency
Maximum duty cycle
AMPOUT maximum
output voltage
AMPOUT minimum
output voltage
PMOS ON resistance
NMOS ON resistance
UVLO detection voltage
UVLO return voltage
XSHDN
Input threshold voltage
XSHDN pull down resister
ICC1
ICC2
ICC3
VOUTR
TSOFT
ERRVREF
SAWO
DMAX
VAMPOUTH
VAMPOUTL
RONP
RONN
VUVLO1
VUVLO2
VthXSHDN
RXSHDN
Min.
4.0
2.3
－
Vcc
3.5
0.582
400
65
2.00
－
0.36
0.30
3.35
3.45
0.92
7.0
Limit
Typ.
6.3
3.7
1
－
6.0
0.600
650
80
2.30
0.03
0.60
0.50
3.55
3.65
1.53
10.0
Max.
9.5
5.2
10
12.0
8.5
0.618
900
90
2.60
0.20
0.84
0.70
3.75
3.85
2.14
13.0
Unit
Condition
VCC=5.0[V], FB=2.5[V],
mA
No load
VCC=5.0[V], FB=0[V],
mA
No load
VCC=5.0[V],
μA
XSHDN=GND or Open
V
ms VCC=5.0[V], FB=0[V]
V
kHz
%
V
V
Ω VOUT=9.0[V]
Ω VOUT=9.0[V]
V
VCC Falling
V
VCC Rising
V
kΩ
REV. B
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