PAM2306D Datasheet, PDF (2/13 Pages) Power Analog Micoelectronics – Dual High-Efficiency PWM Step-Down DC-DC Coverter

Block Diagram
PAM2306D
Dual High-Efficiency PWM Step-Down DC-DC Coverter
1.5M
OSC
SLOPE
COMP
OSC
FBx
R1
R2
E Nx
FREQ
SHIFT
-
EA
+
COMP
VIN
0. 6VREF
SHUTDOWN
+
IAMP
-
VINx
SQ
RQ
SWITCHING
LOGIC
AND
RS LATCH _BLANKING
CIRCUIT
ANTI-
S H O O T-
THRU
+
IRCMP
-
MAIN
SWITCH( PCH)
L Xx
SYNCHRONOUS
RECTIFIER(NCH)
GND
Power Analog Microelectronics, Inc
www.poweranalog.com
2
02/2012 Rev1.1