MIC23250-SKYMT TR Micrel Inc, MIC23250-SKYMT TR Datasheet - Page 10

• Manufacturer Part Number: MIC23250-SKYMT TR
• Description: High Efficiency Dual 400mA Synchronous Buck Switcher
• Manufacturer: Micrel Inc
• Series: HyperLight Load™r
• Type: Step-Down (Buck)r

Specifications of MIC23250-SKYMT TR

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 2.6V, 3.3V
• Current - Output: 400mA
• Frequency - Switching: 4MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-TMLF®
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-3316-2

Functional Diagram
Micrel, Inc.
June 2010
SNS1
FB1
SW1
EN1
V
IN
I
MIC23250 Simplified Adjustable Output Block Diagram
SENSE
MIC23250 Simplified Fixed Output Block Diagram
+
-
Zero X
Current Limit
COMPARATOR
ERROR
PGND
SOFT START
T
CONTROL
ON
ENABLE
LOGIC
DRIVES
LOGIC
GATE
TIMER &
UVLO
REF1
10
AGND
SOFT START
T
CONTROL
DRIVES
ON
UVLO
ENABLE
GATE
REF2
LOGIC
LOGIC
TIMER &
COMPARATOR
ERROR
Current Limit
Zero X
+
-
I
SENSE
AV
SW2
EN2
SNS2
FB2
IN
M9999-061110-E
MIC23250