MIC2205-1.38YML MICREL [Micrel Semiconductor], MIC2205-1.38YML Datasheet - Page 9

• Manufacturer Part Number: MIC2205-1.38YML
• Description: 2MHz PWM Synchronous Buck Regulator with LDO Standby Mode
• Manufacturer: MICREL [Micrel Semiconductor]

Functional Diagram
Micrel, Inc.
April 2005
LOWQ
AVIN
BIAS
VIN
EN
Control Logic
Enable and
6
SGND
Shutdown
Thermal
UVLO,
Bias,
LDO Block
Current
Limit
MIC2205 Block Diagram
LDO
Control
PWM
9
Start
Soft
Anti-Shoot
HSD
LSD
Through
Current Limit
N-Channel
Current Limit
P-Channel
EA
1.0V
1.0V
EA
PGND
SW
FB
LDO
R1
R2
www.micrel.com
M9999-041105
V
MIC2205
C
OUT
OUT