BU33TD3WG-TR Datasheet, PDF (4/12 Pages) Rohm – Versatile Package FULL CMOS LDO Regulator

BUxxTD3WG series
Datasheet
●Electrical Characteristics
(Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=0.47μF, Co=0.47μF, unless otherwise noted.)
PARAMETER
Overall Device
Output Voltage
Operating Current
Operating Current (STBY)
Ripple Rejection Ratio
Symbol
MIN.
Limit
TYP.
Unit
MAX.
Conditions
VOUT
IIN
ISTBY
RR
VOUT×0.99
VOUT-25mV
-
-
45
VOUT×1.01
VOUT
V
VOUT+25mV
35
60
μA
-
1.0
μA
70
-
dB
IOUT=10μA, VOUT≧2.5V
IOUT=10μA, VOUT＜2.5V
IOUT=0mA
STBY=0V
VRR=-20dBv, fRR=1kHz, IOUT=10mA
-
280
540
mV 2.5V≦VOUT≦2.6V (VIN=0.98*VOUT, IOUT=200mA)
Dropout Voltage
-
VSAT
-
260
500
mV 2.7V≦VOUT≦2.85V (VIN=0.98*VOUT, IOUT=200mA)
240
460
mV 2.9V≦VOUT≦3.1V (VIN=0.98*VOUT, IOUT=200mA)
-
220
420
mV
Line Regulation
VDL
-
2
20
mV
Load Regulation
VDLO
-
Over Current Protection (OCP)
10
80
mV
Limit Current
ILMAX
220
400
700
mA
Short Current
ISHORT
20
70
150
mA
Standby Block
Discharge Resistor
RDSC
20
50
80
Ω
STBY Pin Pull-down Current
ISTB
0.1
0.6
2.0
μA
ON VSTBH
1.2
-
STBY Control Voltage
OFF VSTBL
-0.3
-
5.5
V
0.3
V
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
3.2V≦VOUT≦3.4V (VIN=0.98*VOUT, IOUT=200mA)
VIN=VOUT+1.0V to 5.5V (*4), IOUT=10μA
IOUT=0.01mA to 100mA
Vo=VOUT*0.95
Vo=0V
VIN=4.0V, STBY=0V, VOUT=4.0V
STBY=1.5V
●ELECTRICAL CHARACTERISTICS of each Output Voltage
(Ta=25℃, STBY=VIN, Cin=0.47μF, Co=0.47μF, unless otherwise noted.)
Output Voltage
PARAMETER
MIN.
1.0V, 1.1V, 1.2V, 1.25V, 1.3V
80
200
Maximum
1.5V
output current
60
200
1.8V, 1.85V, 1.9V, 2.0V, 2.1V
200
TYP.
160
-
120
-
-
MAX.
-
-
-
-
-
Unit
Conditions
VIN=1.7V
VIN=2.1V
mA VIN=1.8V
VIN=2.2V
VIN=VOUT+0.6V
●Block Diagrams
VIN
VIN
1
Cin
GND ²
STBY
STBY
3
VREF
OCP
TSD
STBY
Discharge
VOUT
5
VOUT
Co
Cin･･･0.47μF (Ceramic)
Co ･･･0.47μF (Ceramic)
Fig. 2 Block Diagrams
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TSZ02201-0RBR0A300030-1-2
17.JAN.2013.Rev.001