BD2062FJ_11 查看數據表（PDF） - ROHM Semiconductor
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BD2062FJ_11 Datasheet PDF : 17 Pages
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BD2062FJ,BD2066FJ
Technical Note
2.5
2.4
2.3
VUVLOH
2.2
2.1
VUVLOL
2
-50
0
50
100
AMBIENT TEMPERATURE: TA(℃)
Fig.28 UVLO threshold voltage
●Waveform Data(BD2062FJ)
/EN
1V/div
VOUT
1V/div
V/OC
1V/div
IIN
0.5A/div
VIN=5V
CL=100uF
RL=5Ω
TIME 200us/div
Fig.30 Output rise characteristics
0.2
0.15
0.1
0.05
0
-50
0
50
100
AMBIENT TEMPERATURE: TA(℃)
Fig.29 UVLO hysteresis voltage
/EN
1V/div
VOUT
1V/div
V/OC
1V/div
IIN
0.5A/div
VIN=5V
CL=100uF
RL=5Ω
TIME 1ms/div
Fig.31 Output fall characteristics
VOUT1
1V/div
V/OC1
1V/div
VOUT2
1V/div
IOUT1
1.0A/div
VIN=5V
CL=220uF
C=10uF
RL=5Ω
TIME 200us/div
Fig.33 Inrush current
VOUT1
1V/div
V/OC1
1V/div
VOUT2
1V/div
IOUT1
1.0A/div
VIN=5V
CL=47uF
TIME 2ms/div
Fig.35 Over-current response
1Ωload connected at enable
VOUT1
1V/div
V/OC1
1V/div
VOUT2
1V/div
IOUT1
0.5A/div
VIN=5V
CL=47uF
TIME 5ms/div
Fig.34 Over-current response
ramped load
/EN
1V/div
VOUT
1V/div
VIN=5V
CL=47uF
RL=1Ω
VOC
1V/div
IOUT1
0.5A/div
TIME 2ms/div
Fig.36 Over-current response
enable to short circuit
/EN
1V/div
VIN=5V
RL=5Ω
VOUT
1V/div
V/OC
1V/div
CL=47uF
CL=220uF
IIN
CL=220uF
0.5A/div
CL=47uF
TIME 200us/div
Fig.32 Inrush current
CL=47uF, 100uF, 147uF, 220uF
V/OC2
1V/div
VOUT1
1V/div
VIN=5V
CL=47uF
V/OC1
1V/div
IOUT1
0.5A/div
TIME 100ms/div
Fig.37 Thermal shutdown
response
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8/16
2011.05 - Rev.B
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