AME5249A Datasheet, PDF (2/21 Pages) Analog Microelectronics – 1.5MHz, 600mA Synchronous Buck Converter

AME
AME5249A
n Function Block Diagram
1.5MHz, 600mA
Synchronous Buck Converter
EN
VIN
Bandgap
FB
UVLO
+ _EA
-
Fixed Output
See Note
1.5 MHz
Oscillator
Slope
Comp
OSC
Current
Limit
Comparaotr
Current
Sense
+
COMP
-
S
Q
R
Logic
Control
Driver
Thermal
Shudown
COMP⁺
-
SW
GND
Figure 3
Note: For the fixed output version the internal feedback divider is actived.
For the adjustable version the internal feedback divider is disabled, and the FB pin is directly connected to
the internal EA amplifer.
2
Rev.A.01