MIC2605 Datasheet, PDF (7/13 Pages) Micrel Semiconductor – 0.5A, 1.2MHz / 2MHz Wide Input Range Boost Regulator with Integrated Switch and Schottky Diode

Micrel, Inc.
Functional Diagram
VIN VDD
FB
Regulator
EN
5.8V
Bandgap
1.25V
OVP CMP
OVP
CL
THERMAL
UVLO
BANDGAP
OSC
S
EA
PWM
CMP
R
SS
+
+
CA
1.2/2MHz
Oscillator
OSC
Ramp
Generator
Figure 1. MIC2605/6 Block Diagram
MIC2605/6
VOUT
SW
PGND
August 2008
7
M9999-080108-B