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Rohm Semiconductor Electronic Components Datasheet

BU18SD5WG Datasheet

CMOS LDO Regulators

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BU18SD5WG pdf
CMOS LDO Regulators for Portable Equipments
1ch 500mA
CMOS LDO Regulators
BUxxSD5 series
General Description
BUxxSD5 series are high-performance CMOS LDO
regulators with output current ability of up to 500mA.
These devices have excellent noise and load response
characteristics despite of its low circuit current
consumption of 33µA. They are most appropriate for
various applications such as power supplies for logic IC,
RF, and camera modules.
Features
High Output Voltage Accuracy: 2.0%
(In all recommended conditions)
High Ripple Rejection: TYP;68dB(f=1KHz)
Compatible with small ceramic capacitor
(Cin=Cout=0.47 µF, min)
Low Current Consumption: 33 µA
Output Voltage ON/OFF control
Built-in Over Current Protection Circuit (OCP)
Built-in Thermal Shutdown Circuit (TSD)
Package SSOP5 is similar to SOT23-5(JEDEC)
Key Specifications
Input Power Supply Voltage Range: 1.7V to 6.0V
Output Current Range:
0 to 500mA
Operating Temperature Range: -40to +105
Output Voltage Lineup:
1.8V, 3.3V
Output Voltage Accuracy:
±2.0%
Circuit Current:
33µA(Typ.)
Standby Current:
0μA (Typ.)
Package
SSOP5
W(Typ) x D(Typ) x H(Max)
2.90mm x 2.80mm x 1.25mm
Applications
Portable devices
Camera modules
Other electronic devices using microcontrollers or
logic circuits
Typical Application Circuit
Vin
Cin
On
Off
VIN VOUT
BUxBxUSxDx2SMDG5 -M
Cout
Vout
STBY
GND
Figure 1. Typical Application Circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/17
TSZ02201-0G6G0A300600-1-2
2016.05.31 Rev.003


Rohm Semiconductor Electronic Components Datasheet

BU18SD5WG Datasheet

CMOS LDO Regulators

No Preview Available !

BU18SD5WG pdf
BUxxSD5 series
Pin Configuration
VOUT N.C.
Marking
Lot. No
VIN GND STBY
Pin Description
Pin No. Symbol
Function
1 VIN Input Pin
2 GND GND Pin
3
STBY
Output Control Pin
(High:ON, Low:OFF)
4 N.C. No Connect
5 VOUT Output Pin
Block Diagram
Datasheet
Figure 2. Block diagram
Cin(min)=0.47µF (Ceramic capacitor)
Cout(min)=0.47µF (Ceramic capatitor)
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/17
TSZ02201-0G6G0A300600-1-2
2016.05.31 Rev.003


Part Number BU18SD5WG
Description CMOS LDO Regulators
Maker ROHM
Total Page 21 Pages
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