Micrel, Inc.
MIC2601/2
Ordering Information
Part Number
MIC2601YML
MIC2602YML
Notes
1.
2.
Overbar (
®
Marking
Code
(1)
RD1
RE1
Frequency
1.2MHz
2MHz
Output Over
Voltage Protection
40V
40V
Temperature Range
–40° to +125°C
–40° to +125°C
Package
(2)
Lead Finish
Pb-Free
Pb-Free
8-Pin 2mm x 2mm MLF
®
8-Pin 2mm x 2mm MLF
®
) symbol my not be to scale.
MLF is a GREEN RoHS compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free.
Pin Configuration
VIN
VDD
EN
AGND
1
2
3
4
8
7
6
5
PGND
SW
FB
SS
8-Pin 2mm x 2mm MLF
®
(ML)
Pin Description
Pin Number
1
2
3
4
5
6
7
8
EP
Pin Name
VIN
VDD
EN
AGND
SS
FB
SW
PGND
GND
Pin Function
Supply (Input): 4.5V to 20V input voltage.
Internal regulator. VDD should be connected to VIN when VIN
≤
7V.
Enable (Input): Logic high enables regulator. Logic low shuts down regulator.
Analog Ground
Soft Start
Feedback (Input): 1.25V output voltage sense node. V
OUT
= 1.25V ( 1 + R1/R2)
Switch Node (Input): Internal power BIPOLAR collector.
Power ground
Ground (Return): Exposed backside pad. Internally fused to AGND and PGND
pins.
September 2009
2
M9999-090909-A
MICREL [ MICREL SEMICONDUCTOR ]
