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BU13UC3WG-TR PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BU13UC3WG-TR
기능 FULL CMOS LDO Regulator
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BU13UC3WG-TR 데이터시트, 핀배열, 회로
Datasheet
CMOS LDO Regulator Series for Portable Equipments
Versatile Package
FULL CMOS LDO Regulator
BUxxUC3WG series
General Description
BUxxUC3WG series is high-performance FULL CMOS
regulator with 300-mA output, which is mounted on
versatile package SSOP5 (2.9 mm × 2.8 mm × 1.25 mm).
It has excellent noise characteristics and load
responsiveness characteristics despite its low circuit
current consumption of 50μA. It is most appropriate for
various applications such as power supplies for logic IC,
RF, and camera modules ROHM’s.
Features
„ High accuracy detection
„ low current consumption
„ Compatible with small ceramic capacitor (Cin=Co=1.0uF)
„ With built-in output discharge circuit
„ High ripple rejection
„ ON/OFF control of output voltage
„ With built-in over current protection circuit
and thermal shutdown circuit
„ Package SSOP5 is similar to SOT-23-5 (JEDEC)
„ Low dropout voltage
Key Specifications
„ Output voltage:
„ Accuracy output voltage:
„ Low current consumption:
„ Operating temperature range:
1.0V to 4.0V
±1.0% (±25mV)
50μA
-40°C to +85°C
Applications
Battery-powered portable equipment, etc.
Package
SSOP5:
2.90mm x 2.80mm x 1.25mm
Typical Application Circuit
STBY
VIN
STBY
VIN
VOUT
VOUT
GND
GND GND
Figure 1. Application Circuit
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed for protection against radioactive rays
1/23
TSZ02201-0RBR0A300110-1-2
02.Jul.2013 Rev.002




BU13UC3WG-TR pdf, 반도체, 판매, 대치품
BUxxUC3WG series
Datasheet
Electrical Characteristics
(Ta=25, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=1.0μF, Co=1.0μF, unless otherwise noted.)
PARAMETER
Overall Device
Symbol
MIN.
Limit
TYP.
MAX.
Unit
Conditions
Output Voltage
VOUT
VOUT×0.99
VOUT×1.01
VOUT
VOUT-25mV
VOUT+25mV
V
IOUT=10μA,VOUT2.5V
IOUT=10μA,VOUT2.5V
Operating Current
Operating Current (STBY)
Ripple Rejection Ratio
IIN
ISTBY
RR
-
-
45
-
50 90 μA IOUT=0mA
- 1.0 μA STBY=0V
70
-
dB
VRR=-20dBv,fRR=1kHz,IOUT=10mA,
VIN=3.6V
470 700 mV 1.0VVOUT1.2V(IOUT=300mA)
- 350 500 mV 1.2VVOUT1.5V(IOUT=300mA)
Dropout Voltage
- 280 380 mV 1.5VVOUT1.7V(IOUT=300mA)
VSAT
- 250 320 mV 1.7VVOUT2.1V(IOUT=300mA)
- 220 260 mV 2.1VVOUT2.5V(IOUT=300mA)
- 200 220 mV 2.5VVOUT(IOUT=300mA)
Line Regulation
VDL -
2 20 mV VIN=VOUT+1.0V to 5.5V(*4), IOUT=10μA
Load Regulation
VDLO
Over-current Protection (OCP)
-
25 45 mV IOUT=0.01mA to 300mA
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=5.5V, STBY=0V, VOUT=2.6V
STBY Pin Pull-down Current ISTB 0.1 0.9 8.0 μA STBY=1.5V
STBY Control Voltage ON VSTBH
1.2
-
5.5
V
OFF VSTBL
-0.3
-
0.3
V
This product is not designed for protection against radioactive rays.
(*3) VIN=2.5V for VOUT1.5V
(*4) VIN=2.5V to 3.6V for VOUT1.5V
Block Diagrams
VIN VIN
1
Cin
GND 2
STBY
STBY
3
VREF
OCP
TSD
STBY
Discharge
Figure 2. Block Diagrams
VOUT VOUT
5
Co
Cin・・・1.0μF (Ceramic)
Co ・・・1.0μF (Ceramic)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
4/23
TSZ02201-0RBR0A300110-1-2
02.Jul.2013 Rev.002

4페이지










BU13UC3WG-TR 전자부품, 판매, 대치품
BUxxUA3WNVX シリーズ
Reference data BU10UC3WG (Ta=25ºC unless otherwise specified.)
Datasheet
LOAD TRANSIENT RESPONSE
Trise=Tfall=1us
50mA
IOUT
0mA
LOAD TRANSIENT RESPONSE
Trise=Tfall=1us
300mA
IOUT
0mA
VOUT
10µs/div
Figure 15.
Vout=1.0V
VOUT
10µs/div
Figure 16.
Vout=1.0V
LINE TRANSIENT RESPONSE
Slew Rate = 0.5V/µs
2.9V
VIN
2.3V
1ms/div
Figure 17.
VOUT
Vout=1.0V
Iout=300mA
LINE TRANSIENT RESPONSE
Slew Rate = 0.5V/µs
2.9V
VIN
2.3V
1ms/div
Figure 18.
VOUT
Vout=1.0V
Iout=1mA
LINE TRANSIENT RESPONSE
3.6V
Slew Rate = 0.5V/µs
VIN
2.1V
1ms/div
Figure 19.
VOUT
Vout=1.0V
Iout=300mA
Vout=1.0V
Iout=1mA
VIN RAMP UP, RAMP DOWN RESPONSE
VIN
VOUT
200ms/div
Figure 20.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
7/23
TSZ02201-0RBR0A300110-1-2
02.Jul.2013 Rev.002

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