AN1281SSM Datasheet, PDF (1/2 Pages) Panasonic Semiconductor – Ripple Filter IC

New
Ripple Filter IC AN1281SSM
I Overview
The AN1281SSM is a ripple filter IC that rejects the ripple component su-
perimposed on the regulator output. Use for the VCO bias of cellular phones
improves C/N and S/N.
0.20^+-00..0150 _{0.10 M} ^{Unit: mm}
5
4
I Features
G Small I/O voltage difference
G The mounting area is reduced by adopting the SSmini-type package
I Applications
G Cellular phones and others
I Block Diagram
1 23
0.50 0.50
1.00±0.10
1.60±0.10
0.10 ^{Seating plane}
1 23
5
4
SSMINI-5DA(Lead-free package)
V_OUT 3
Load
0.1 µF
5 V_IN
Starter/smoothing
circuit
Constant
current
Switch
2
GND
4 On/Off
1
CF
1 µF
4.7µF
¶ The products and specifications are subject to change without any notice. Please ask for the latest product standards to guarantee the satisfaction of your product requirements.
1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan Tel. [phone]
M00494AE
http://www.panasonic.co.jp/semicon/
New publication, effective from Dec. 6. 2001