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BU21UB3WG-GTL Datasheet(PDF) 4 Page - Rohm

No. de pieza BU21UB3WG-GTL
Descripción Electrónicos  Versatile Package FULL CMOS LDO Regulator
Download  13 Pages
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Fabricante Electrónico  ROHM [Rohm]
Página de inicio  http://www.rohm.com
Logo ROHM - Rohm

BU21UB3WG-GTL Datasheet(HTML) 4 Page - Rohm

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TSZ02201-0RBR0A300010-1-2
TSZ22111・15・001
4/10
25.DEC.2012.Rev.001
BUxxUB3WG series
Datasheet
●Electrical Characteristics
(Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=1.0μF, Co=1.0μF, unless otherwise noted.)
●This product is not designed for protection against radioactive rays.
(*3) VIN=2.5V for VOUT≦1.5V
(*4) VIN=2.5V to 3.6V for VOUT≦1.5V
●Block Diagrams
Limit
PARAMETER
Symbol
MIN.
TYP.
MAX.
Unit
Conditions
Overall Device
VOUT×0.99
VOUT×1.01
IOUT=10μA,VOUT≧2.5V
Output Voltage 1
VOUT1
VOUT-25mV
VOUT
VOUT+25mV
V
IOUT=10μA,VOUT<2.5V
Operating Current
IIN
-
50
90
μA
IOUT=0mA
Operating Current (STBY)
ISTBY
-
-
1.0
μA
STBY=0V
Ripple Rejection Ratio
RR
45
70
-
dB
VRR=-20dBv,fRR=1kHz,IOUT=10mA, VIN=3.6V
-
470
700
mV
1.0V≦VOUT<1.2V(IOUT=300mA)
-
350
500
mV
1.2V≦VOUT<1.5V(IOUT=300mA)
-
280
380
mV
1.5V≦VOUT<1.7V(IOUT=300mA)
-
250
320
mV
1.7V≦VOUT<2.1V(IOUT=300mA)
-
220
260
mV
2.1V≦VOUT<2.5V(IOUT=300mA)
Dropout Voltage
VSAT
-
200
220
mV
2.5V≦VOUT<2.6V(IOUT=300mA)
Line Regulation
VDL
-
2
20
mV
VIN=VOUT+1.0V to 3.6V(*4), IOUT=10μA
-
25
45
mV
IOUT=0.01mA to 300mA
Load Regulation
VDLO
-
35
55
mV
IOUT=0.01mA to 360mA
Over-current Protection (OCP)
Limit Current
ILMAX
370
550
-
mA
Vo=VOUT*0.95
Short Current
ISHORT
50
150
300
mA
Vo=0V
Standby Block
Discharge
Resistor
RDSC
20
50
80
Ω
VIN=3.6V, STBY=0V, VOUT=2.6V
STBY Pin Pull-down Current
ISTB
0.1
0.9
8.0
μA
STBY=1.5V
ON
VSTBH
1.2
-
5.5
V
STBY Control Voltage
OFF
VSTBL
-0.3
-
0.3
V
Output Voltage 2
VOUT2
1.7
1.8
1.9
V
VIN=2.375V to 2.625V
VOUT=1.8V, IOUT=0.01mA to 300mA, Ta=-40~85℃
Cin・・・1.0
μF (Ceramic)
Co ・・・1.0
μF (Ceramic)
1
3
5
2
Cin
VIN
GND
STBY
STBY
VOUT
VOUT
Co
VREF
OCP
STBY
Discharge
TSD
VIN
Fig. 2
Block Diagrams


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