MIC29310/29312
Micrel
Ordering Information
Part Number
Standard
MIC29310-3.3BT
MIC29310-3.3BU
MIC29310-5.0BT
MIC29310-5.0BU
MIC29312BT
MIC29312BU
Note:
1.
RoHS compliant with “high-melting solder” exemption.
RoHS Compliant
(1)
MIC29310-3.3WT
MIC29310-3.3WU
MIC29310-5.0WT
MIC29310-5.0WU
MIC29312WT
MIC29312WU
Voltage
3.3V
3.3V
5.0V
5.0V
Adj.
Adj.
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
Pin Configuration
3 OUT
TAB
3
TAB
OUT
GND
IN
2 GND
1
IN
2
1
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
4
3
2
1
ADJ
OUT
GND
IN
EN
TAB
TAB
MIC29312-x.xBT/WT
TO-220-5 (T)
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.
Pin Description
Pin Number
MIC29310
1
2,
TAB
3
Pin Number
MIC29312
1
2
3,
TAB
4
5
Pin Name
EN
IN
GND
OUT
ADJ
Absolute Maximum Ratings
(Note 1)
Input Voltage (V
IN
) ..........................................–20V to +20V
Power Dissipation (P
D
) ............................. Internally Limited
Storage Temperature Range (T
S
) ............. –65°C to +150°C
Lead Temperature (soldering, 5 sec.) ........................ 260°C
ESD,
Note 3
MIC29310/29312
2
Operating Ratings
(Note 2)
Input Voltage (V
IN
) ........................................ +2.3V to +16V
Junction Temperature (T
J
) ............................ 0°C to +125°C
Package Thermal Resistance
TO-263
(θ
JC
) ......................................................... 2°C/W
TO-220 (θ
JC
) ......................................................... 2°C/W
TO-220 (θ
JA
) ....................................................... 55°C/W
November 2006
MICREL [ MICREL SEMICONDUCTOR ]
