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BELLING - High PSRR CMOS LDO Regulator

Numéro de référence BL9195
Description High PSRR CMOS LDO Regulator
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BL9195 fiche technique
BL9195
300mA 3-Pin, Ultra Fast, Ultra Low Dropout
High PSRR CMOS LDO Regulator
FEATURES
DESCRIPTION
Ultra-Fast Response in Line/Load
The BL9195 is designed for portable RF and
Transient
Low Dropout:210mV@300mA
wireless applications with demanding perfor-
Step-DmoawncenaCndosnpavceerrteequrirements. The BL9195
Wide Operating Voltage Range:2V to 6V
Wide Output Voltage Range:1.2V to 5V
performance is optimized for battery-powered,
systems to deliver ultra low noise and low
Low Temperature Coefficient
quiescent current. Regulator ground current
Current Limiting Protection
increases only slightly in dropout, further
Thermal Shutdown Protection
prolonging the battery life. The BL9195 also
Only 1F Output Capacitor Required for
works with low-ESR ceramic capacitors,
Stability
reducing the amount of board space
High Power Supply Rejection Ratio
necessary for power applications, critical in
Custom Voltage Available
hand-held wireless devices. The other fea-
Available in 3-Lead SOT23, SOT89 and
tures include ultra low dropout voltage, high
SOT223 Package
output accuracy, current limiting protection,
and high ripple rejection ratio. Available in 3-
APPLICATIONS
lead SOT23, SOT89 and SOT223 packages.
Cellular and Smart Phones
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instrument
PCMCIA Cards
MP3/MP4/MP5 Players
Portable Information Appliances
ORDERING INFORMATION
BL9195 XX X X XXX
TYPICAL APPLICATION
BL9195 SOT23-3/SOT89-3/SOT223-3
Package:
RT: SOT23-3
SRT: SOT89-3
TRT: SOT223-3
Features:
P: Standard (default, lead free)
C: Customized
G: Green
Output Voltage Accuracy:
A: ±1%
B: ±2%
Output Voltage:
12: 1.2V 13:1.3V 15: 1.5V 18:1.8V
25:2.5V 27:2.7V 28:2.8V 285: 2.85V
30: 3.0V 32:3.2V 33:3.3V 50:5.0V
CT: custom fixed output (50mV step)
VIN VIN BL9195 VOUT
C1
1uF
C2
1uF
Application hints:
Output capacitor (C22.2uF) is recommended
in BL9195-1.2V, BL9195-1.3V, BL9195-1.5V
and BL9195-1.8V application to assure circuit
stability.
VOUT
PPMIC BU
BL9195 Rev 1.4
11/2012
www.belling.com.cn
Belling Proprietary Information. Unauthorized Photocopy and Duplication Prohibited
©2011 Belling All Rights Reserved
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