BH12PB1WHFV Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
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Fabricante
BH12PB1WHFV
ROHM Semiconductor
BH12PB1WHFV Datasheet PDF : 11 Pages
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BH□□PB1WHFV Series
Technical Note
●Electrical characteristics
(Unless otherwise specified, Ta = 25°C, VIN = VOUT + 1.0 V, STBY = 1.5 V, SEL = 0 V, CIN = 0.47 µF, CO = 0.47 µF)
Parameter
Symbol Min.
Limits
Typ.
Max..
Unit
Conditions
【Regulator】
Output voltage
(high-speed mode)
Output voltage
(low-consumption mode)
Circuit current
(high-speed mode)
Circuit current
(low-consumption mode)
VOUT1
VOUT1
×0.99
VOUT1
-0.025
-
-
VOUT1
×1.01
VOUT1
+0.025
V VOUT≧2.5V,IOUT=0.1mA,SEL=1.5V
V VOUT≦1.8V,IOUT=0.1mA,SEL=1.5V
VOUT2
VOUT2
×0.97
VOUT2
×0.967
-
-
VOUT2
×1.038
VOUT2
×1.043
V VOUT≧2.5V,IOUT=0.1mA,SEL=0V
V VOUT≦1.8V,IOUT=0.1mA,SEL=0V
ICC1
-
20
40
μA
IOUT=0mA, VIN pin
monitor,SEL=1.5V
ICC2
-
2
4
μA IOUT=0mA, VIN pin monitor, SEL=0V
Circuit current (STBY)
ISTBY
-
-
1.0
μA STBY=0V
Ripple rejection ratio
(high-speed mode)
RR1
42
60
-
dB
VRR=-20dBv, fRR=1kHz,
IOUT=10mA, SEL=1.5V
Dropout voltage 1 *1
VSAT1 -
100
200
mV VIN=VOUT×0.98,IOUT=50mA
Dropout voltage 2 *1
VSAT2 -
210
400
mV VIN=VOUT×0.98,IOUT=100mA
Dropout voltage 3 *1
Line regulation 1
(high-speed mode)
Line regulation 2
(low-consumption mode)
Load regulation
VSAT3 -
VDL1
-
VDL2
-
VDLO
-
315
600
mV VIN=VOUT×0.98,IOUT=150mA
2
20
mV VIN=VOUT+1V to 5.5V,IOUT=10mA
2
20
mV VIN=VOUT+1V to 5.5V,IOUT=100μA
10
40
mV IOUT=10mA to 100mA
【Mode switch】
Current threshold
(low-consumption mode)
Current threshold
(high-speed mode)
ITH1 0.09
0.3
ITH2
-
1.2
【Over Current Protection 1】
-
mA SEL=0V IOUT=3mA⇒0mA sweep
2.2
mA SEL=0V IOUT=0mA⇒3mA sweep
Limit Current
ILMAX 160
300
500
mA Vo=VOUT×0.90
Short current
ISHORT 20
50
100
【Stand-by block】
STBY pin sink current
ISTB
-
2
4
STBY control voltage
ON VSTBH 1.5
OFF VSTBL -0.3
-
-
VIN
0.3
Discharge resistance at standby RDCG 1.5
2.2
3.0
【SEL PIN】
Pull-down resistance of SEL pin RSEL 0.5
1.0
2.0
SEL control voltage
ON VSELH 1.5
OFF VSELL -0.3
-
-
VIN
0.3
* Note: This IC is not designed to be radiation-resistant. *3: Except at VOUT ≤ 1.5 V.
●Electrical characteristics of each output voltage
Output Voltage
Parameter
Min.
Typ.
Max.
1.2 V
70
120
−
150
−
−
1.5 V
Max. output
50
100
−
current
150
−
−
1.8 V ≤ VOUT
75
143
−
150
−
−
mA Vo=0V
μA STBY=1.5V
V
V
kΩ STBY=0V
MΩ
V Fixed high speed mode
V Automatic switch mode
Unit
Conditions
VCC = 1.7 V
VCC = 2.0 V
VCC = 1.8 V
mA
VCC = 2.2 V
VCC = VOUT + 0.3 V
VCC = VOUT + 0.6 V
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3/10
2011.01 - Rev.B
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