New
Ripple Filter IC AN1281SSM
a73 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.
a73 Features
a71 Small I/O voltage difference
a71 The mounting area is reduced by adopting the SSmini-type package
a73 Applications
a71 Cellular phones and others
a73 Block Diagram
1 Kotari-yakemachi, Nagaokakyo, Kyoto 617-8520, Japan Tel. (075) 951-8151 http://www.panasonic.co.jp/semicon/
New publication, effective from Dec. 6. 2001M00494AE
¶ 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.
4
3
5
21
3
4
0 to 0.10
21
5
0.20
0.20
1.20
±
0.10
1.60
±
0.10
1.00±0.10
1.60±0.10
0.50
Seating plane
0.60 max.
0.08
+0.10 -
0.05
0.20
+0.10
-0.05
0.50
0.10
M0.10
Unit: mm
SSMINI-5DA(Lead-free package)
Constant
current
Switch
Load
V
oltage control
Starter/smoothing
circuit
3
V
IN
On/Off
CFGND
5
V
OUT
4
12
4.7µF
1 µF
0.1 µF