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MIC29310_06 Datasheet, PDF (2/12 Pages) Micrel Semiconductor – 3A Fast-Response LDO Regulator
MIC29310/29312
Ordering Information
Part Number
Standard
RoHS Compliant(1) Voltage
MIC29310-3.3BT MIC29310-3.3WT
3.3V
MIC29310-3.3BU MIC29310-3.3WU
3.3V
MIC29310-5.0BT MIC29310-5.0WT
5.0V
MIC29310-5.0BU MIC29310-5.0WU
5.0V
MIC29312BT
MIC29312WT
Adj.
MIC29312BU
MIC29312WU
Adj.
Note:
1. RoHS compliant with “high-melting solder” exemption.
Junction Temperature
Range
0°C to +125°C
0°C to +125°C
0°C to +125°C
0°C to +125°C
0°C to +125°C
0°C to +125°C
Package
TO-220
TO-263
TO-220
TO-263
TO-220
TO-263
Micrel
Pin Configuration
3 OUT
2 GND
1 IN
3 OUT
2 GND
1 IN
MIC29310-x.xBT/WT
TO-220-3 (T)
MIC29310-x.xBU/WU
TO-263-3 (U)
5 ADJ
4 OUT
3 GND
2 IN
1 EN
5 ADJ
4 OUT
3 GND
2 IN
1 EN
MIC29312-x.xBT/WT
TO-220-5 (T)
Pin Description
Pin Number Pin Number
MIC29310 MIC29312
Pin Name
1
EN
1
2
IN
2, TAB
3, TAB
GND
3
4
OUT
5
ADJ
MIC29312-x.xBU/WU
TO-263-5 (U)
Pin Function
Enable (Input): Active-high, logic-level enable/shutdown control.
Unregulated Input: +16V maximum supply.
Ground: Ground pin and TAB are internally connected.
Regulator Output
Ouput Voltage Adjust: 1.24V feedback from external resistive divider.
Absolute Maximum Ratings (Note 1)
Input Voltage (VIN) ..........................................–20V to +20V
Power Dissipation (PD)............................. Internally Limited
Storage Temperature Range (TS)............. –65°C to +150°C
Lead Temperature (soldering, 5 sec.)........................ 260°C
ESD, Note 3
Operating Ratings (Note 2)
Input Voltage (VIN)........................................ +2.3V to +16V
Junction Temperature (TJ) ............................ 0°C to +125°C
Package Thermal Resistance
TO-263 (θJC) ......................................................... 2°C/W
TO-220 (θJC) ......................................................... 2°C/W
TO-220 (θJA) ....................................................... 55°C/W
MIC29310/29312
2
November 2006