MIC2207_10 Datasheet, PDF (2/18 Pages) Micrel Semiconductor – 3mm x 3mm 2MHz 3A PWM Buck Regulator

Micrel, Inc.
MIC2207
Ordering Information
Part Number Output Voltage⁽¹⁾ Junction Temp. Range
MIC2207YML
Adj.
–40° to +125°C
Note:
1. Other Voltage options available. Contact Micrel for details.
Package
12-Pin 3mm x 3mm MLF^®
Lead Finish
Pb-free
Pin Configuration
SW 1
VIN 2
PGND 3
SGND 4
BIAS 5
FB 6
12 SW
11 VIN
10 PGND
9 PGOOD
8 EN
EP
7 NC
12-Pin 3mm x 3mm MLF^® (ML)
Pin Description
Pin Number
1,12
2,11
3,10
4
5
6
7
8
9
EP
Pin Name
SW
VIN
PGND
SGND
BIAS
FB
NC
EN
PGOOD
GND
Pin Function
Switch (Output): Internal power P-Channel MOSFET output switch
Supply Voltage (Input): Supply voltage for the source of the internal P-channel
MOSFET and driver.
Requires bypass capacitor to GND.
Power Ground. Provides the ground return path for the high-side drive current.
Signal (Analog) Ground. Provides return path for control circuitry and internal
reference.
Internal circuit bias supply. Must be bypassed with a 0.1µF ceramic capacitor to
SGND.
Feedback. Input to the error amplifier, connect to the external resistor divider
network to set the output voltage.
No Connect. Not internally connected to die. This pin can be tied to any other pin
if desired.
Enable (Input). Logic level low will shutdown the device, reducing the current
draw to less than 5µA.
Power Good. Open drain output that is pulled to ground when the output voltage
is within ±7.5% of the set regulation voltage
Connect to ground.
April 2010
2
M9999-041910