MIC39500/39501
Micrel
Voltage
2.5V
2.5V
2.5V
2.5V
1.8V
1.8V
1.8V
1.8V
Junction Temp. 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
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
Package
3-Lead TO-220
3-Lead TO-263
5-Lead TO-220
5-Lead TO-263
3-Lead TO-220
3-Lead TO-263
5-Lead TO-220
5-Lead TO-263
Ordering Information
Part Number
Standard
MIC39500-2.5BT
MIC39500-2.5BU
MIC39501-2.5BT
MIC39501-2.5BU
MIC39500-1.8BT
MIC39500-1.8BU
MIC39501-1.8BT
MIC39501-1.8BU
RoHS Compliant*
MIC39500-2.5WT*
MIC39500-2.5WU*
MIC39501-2.5WT*
MIC39501-2.5WU*
MIC39500-1.8WT*
MIC39500-1.8WU*
MIC39501-1.8WT*
MIC39501-1.8WU*
* RoHS compliant with high-melting solder exemption.
Pin Configuration
3 OUT
2 GND
1 IN
TAB
3
2
1
TAB
OUT
GND
IN
MIC39500-x.xBT
TO-220-3 (T)
5
4
3
2
1
FLG
OUT
GND
IN
EN
MIC39500-x.xBU
TO-263-3 (U)
5
4
3
2
1
FLG
OUT
GND
IN
EN
TAB
TAB
MIC39501-x.xBT
TO-220-5 (T)
MIC39501-x.xBU
TO-263-5 (U)
Pin Description
Pin Number
MIC39500
Pin Number
MIC39501
1
1
2,
TAB
3
2
3,
TAB
4
5
Pin Name
EN
IN
GND
OUT
FLG
Pin Function
Enable (Input): TTL/CMOS compatible input. Logic high = enable; logic low
or open = shutdown
Unregulated Input: +16V maximum supply.
Ground: Ground pin and
TAB
are internally connected.
Regulator Output
Error Flag (Ouput): Open collector output. Active low indicates an output
fault condition.
M9999-082605-B
2
August 2005
MICREL [ MICREL SEMICONDUCTOR ]
