PAM2321 Datasheet, PDF (2/11 Pages) Power Analog Micoelectronics – 3MHz,Fast Transient 2A Step-Down Converter

PAM2321
3MHz,Fast Transient 2A Step-Down Converter
Block Diagram
VIN
3.0M
OSC
SLOPE
COMP
+
IAMP
-
FB
R1
R2
EN
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
-
GND
Pin Configuration & Marking Information
PVIN
SW
PGND
Top View
TDFN3X3-10L
EN 1
PVIN ²
VIN ³
AGND 4
FB ⁵
10 _PGND
9 _PGND
8 _SW
7 _SW
6 _AGND
(Exposed Pad)
A/B: Pin Configuration
X: Internal Code
Y: Year
W: Week
Power Analog Microelectronics,Inc
www.poweranalog.com
2
01/2013 Rev1.2