MIC49300_05 Datasheet, PDF (2/8 Pages) Micrel Semiconductor – 3.0A Low Voltage LDO Regulator w/Dual Input Voltages

MIC49300
Ordering Information
Part Number
RoHS Compliant*
Output Current
MIC49300-0.9BR
MIC49300-0.9WR*
3A
MIC49300-1.2BR
MIC49300-1.2WR*
3A
MIC49300-1.5BR
MIC49300-1.5WR*
3A
MIC49300-1.8BR
MIC49300-1.8WR*
3A
MIC49300BR
MIC49300WR*
3A
Other voltages available. Contact Micrel for details.
*RoHS compliant with 'high-melting solder' exemption.
Voltage
0.9V
1.2V
1.5V
1.8V
ADJ.
Temperature Range
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
–40°C to +125°C
Package
S-Pak-5
S-Pak-5
S-Pak-5
S-Pak-5
S-Pak-5
Micrel, Inc.
Pin Configuration
5 VOUT
4 VIN
3 GND
2 VBIAS
1 EN/ADJ.
5-Lead S-Pak (R)
Pin Description
Pin Number
1
4
5
2
3
Pin Name
Enable
ADJ.
VIN
VOUT
VBIAS
GND
Pin Function
Enable (Input): CMOS compatible input. Logic high = enable, logic low =
shutdown.
Adjustable regulator feedback input. Connect to resistor voltage divider.
Input voltage which supplies current to the output power device.
Regulator Output.
Input Bias Voltage for powering all circuitry on the regulator with the excep-
tion of the output power device.
Ground (TAB is connected to ground on S-Pak).
M9999-082605-B
2
August 2005