MIC2937A/29371/29372
Micrel
Ordering Information
Part Number
MIC2937A-3.3BU
MIC2937A-3.3BT
MIC2937A-5.0BU
MIC2937A-5.0BT
MIC2937A-12BU
MIC2937A-12BT
MIC29371-3.3BT
MIC29371-3.3BU
MIC29371-5.0BT
MIC29371-5.0BU
MIC29371-12BT
MIC29371-12BU
MIC29372BT
MIC29372BU
*
Junction temperatures
Voltage
3.3
3.3
5.0
5.0
12
12
3.3
3.3
5.0
5.0
12
12
Adj
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
–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
–40°C to +125°C
Package
TO-263-3
TO-220
TO-263-3
TO-220
TO-263-3
TO-220
TO-220-5
TO-263-5
TO-220-5
TO-263-5
Absolute Maximum Ratings
If Military/Aerospace specified devices
are required, contact your local Micrel
representative/distributor for availability
and specifications.
Power Dissipation (Note 1) .............. Internally Limited
Lead Temperature (Soldering, 5 seconds) ........ 260°C
Storage Temperature Range ............ –65°C to +150°C
Operating Junction Temperature Range
................................................. –40°C to +125°C
TO-220
θ
JC
...................................................... 2.5°C/W
TO-263
θ
JC
...................................................... 2.5°C/W
Input Supply Voltage ............................... –20V to +60V
Operating Input Supply Voltage ................... 2V
†
to 26V
Adjust Input Voltage (Notes 9 and 10)
...................................................... –1.5V to +26V
Shutdown Input Voltage ......................... –0.3V to +30V
Error Comparator Output Voltage .......... –0.3V to +30V
†
TO-220-5
TO-263-5
TO-220-5
TO-263-5
Across the full operating temperature, the minimum
input voltage range for full output current is 4.3V to 26V.
Output will remain in-regulation at lower output voltages
and low current loads down to an input of 2V at 25°C.
October 1999
19
MIC2937A/29371/29372
MICREL [ MICREL SEMICONDUCTOR ]
