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BD28TD2WNVX-TL 데이터시트(PDF) 2 Page - Rohm

부품명 BD28TD2WNVX-TL
상세설명  Ultra Small Package CMOS LDO Regulators suitable for High-density Mounting
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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Technical Note
2/40
BU□□TD2WNVX Series
www.rohm.com
2010.02 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
Recommended operating range (Do not exceed Pd.)
Parameter
Symbol
Limits
Unit
Input power supply voltage
VIN
1.7 ~ 5.5
V
Maximum output current
IMAX
200
mA
Recommended operating conditions
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Input capacitor
CIN
0.22
(*2)
0.47
µF A ceramic capacitor is recommended.
Output capacitor
CO
0.22
(*2)
0.47
µF A ceramic capacitor is recommended.
(*2) Set the capacity value of the capacitor so that it does not fall below the minimum value, taking temperature characteristics, DC device characteristics, and
change with time into consideration.
Electrical characteristics(Ta=25℃, VIN=VOUT+1.0V
(*3), STBY=VIN, CIN=0.47μF, CO=0.47μF, unless otherwise noted.)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Overall Device
Output Voltage
VOUT
VOUT×0.99
VOUT
VOUT×1.01
V
IOUT=10µA,VOUT≧2.5V
VOUT-25mV
VOUT+25mV
IOUT=10µA,VOUT<2.5V
Operating Current
IIN
-
35
60
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
Dropout Voltage
VSAT
-
280
540
mV
2.5V≦VOUT≦2.6V
(VIN=0.98*VOUT,IOUT=200mA)
-
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
3.2V≦VOUT≦3.4V
(VIN=0.98*VOUT,IOUT=200mA)
Line Regulation
VDL
-
2
20
mV
VIN=VOUT+1.0V to 5.5V
(*4)
IOUT=10µA
Load Regulation
VDLO
-
10
80
mV IOUT=0.01mA to 100mA
Over-current Protection (OCP)
Limit Current
ILMAX
220
400
700
mA Vo=VOUT*0.95
Short Current
ISHORT
20
70
150
mA Vo=0V
Standby Block
Discharge Resistor
RDSC
20
50
80
VIN=4.0V, STBY=0V, VOUT=4.0V
STBY Pin Pull-down Current
ISTB
0.1
0.6
2.0
µA STBY=1.5V
STBY Control Voltage
ON
VSTBH
1.2
-
5.5
V
OFF
VSTBL
-0.3
-
0.3
V
* This product does not have radiation-proof design.
(*3) VIN=2.5V for VOUT≦1.5V
(*4) VIN=2.5V to 5.5V for VOUT≦1.5V
Electrical characteristics
of each Output Voltage
(Ta=25℃, STBY=VIN, CIN=0.47μF, Co=0.47μF, unless otherwise noted.)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
1.2V
Maximum
output current
80
160
-
mA
VIN=1.7V
200
-
-
VIN=2.1V
1.5V
60
120
-
VIN=1.8V
200
-
-
VIN=2.2V
1.8V
200
-
-
VIN=2.4V
1.9V
200
-
-
VIN=2.5V


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