PAM2320 Datasheet, PDF (2/11 Pages) Power Analog Micoelectronics – 3A Low Noise Step-Down DC-DC Converter

Block Diagram
PAM2320
3A Low Noise Step-Down DC-DC Converter
FB
R1
R2
EN
1.5M
OSC
SLOPE
COMP
+
IAMP
-
FREQ
SHIFT
OSC
-
EA
VIN
+
COMP
0.6VREF
SHUTDOWN
SQ
RQ
RS LATCH
SWITCHING
LOGIC
AND
BLANKING
CIRCUIT
MAIN
SWITCH( PCH)
ANTI-
SHOOT-
THRU
SYNCHRONOUS
+ ^{RECTIFIER (NCH)}
IRCMP
-
VIN
SW
GND
Pin Configuration & Marking Information
Top View
PSOP-8
NC
NC
VIN
EN
SW
NC
GND
FB
(Exposed Pad)
P2320:PAM2320
A: Adjustable Output
X: Internal Code
Y: Year
W: Week
Power Analog Microelectronics, Inc
www.poweranalog.com
2
05/2011 Rev1.0