CMOS LDO Regulators for Portable Equipments
3ch CMOS LDO Regulators
No.11020EFT06
BU6650NUX,BU6651NUX,BU6652NUX,BU6653NUX,BU6654NUX,BU6655NUX
Description
BU6650NUX, BU6651NUX, BU6652NUX, BU6653NUX, BU6654NUX, BU6655NUX are high-performance 3ch FULL
CMOS regulator with 200-mA outputs, which is mounted on small package VSON008X2030(2.0 mm 3.0 mm 0.6 mm).
It has excellent noise characteristics and load responsiveness characteristics despite its low circuit current consumption of
120 A. It is most appropriate for various applications such as power supplies for logic IC, RF, and camera modules.
Features
1) High-accuracy output voltage of 1% (25 mV on 1.5 V & 1.8 V products)
2) High ripple rejection: 70 dB (Typ., 1 kHz, VOUT1.8 V)
3) Compatible with small ceramic capacitor (CIN=2.2F, Co=1.0 F)
4) Low current consumption: 120 A
5) ON/OFF control pin (STBY) of output voltage
6) With built-in over current protection circuit and thermal shutdown circuit
7) With built-in output discharge circuit
8) Adopting small package VSON008X2030
Applications
Battery-powered portable equipment, etc.
Line up matrix
200 mA BU665NUX Series
Product Name VOUT1 VOUT2 VOUT3 Package
BU6650NUX 2.8V 2.8V 1.8V
BU6651NUX 2.8V 1.8V 1.5V
BU6652NUX 2.8V 2.8V 1.5V
VSON008X2030
BU6653NUX 2.8V 1.8V 1.8V
BU6654NUX 3.3V 1.8V 1.5V
BU6655NUX 3.3V 2.8V 1.8V
www.rohm.com
2011.09 - Rev.F
1/21
2011 ROHM Co., Ltd. All rights reserved. Technical Note
BU6650NUX,BU6651NUX,BU6652NUX,BU6653NUX,BU6654NUX,BU6655NUX
Absolute maximum rating
Parameter Symbol Ratings Unit
Maximum applied power voltage VMAX -0.3 ~ +6.0 V
1
Power dissipation Pd 660* MW
Maximum junction temperature TjMAX +125 C
Operational temperature range Topr -40 ~ +85 C
Storage temperature range Tstg -55 ~ +125 C
*1 PCB (70 mm 70 mm, thickness 1.6-mm glass epoxy) a standard ROHM board is implemented. Reduced to 6.6 mW/C when used at Ta=25C or higher.
Recommended operating range (Do not exceed Pd.)
Parameter Symbol Ratings Unit
Input power supply voltage VIN 2.5 ~ 5.5 V
Maximum output current IMAX 200 mA
Recommended operating conditions
Ratings
Parameter Symbol Unit Conditions
Min. Typ. Max.
2
Input capacitor CIN 1.0* 2.2 F A ceramic capacitor is recommended.
2
Output capacitor CO 0.5* 1.0 F 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.
www.rohm.com
2011.09 - Rev.F
2/21
2011 ROHM Co., Ltd. All rights reserved.
