MIC2937A-12BT Micrel Inc, MIC2937A-12BT Datasheet - Page 3

• Manufacturer Part Number: MIC2937A-12BT
• Description: IC REG LDO 750MA 12V TO-220-3
• Manufacturer: Micrel Inc

Specifications of MIC2937A-12BT

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.37V @ 750mA
• Number Of Regulators: 1
• Current - Output: 750mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-3 (Straight Leads)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -

MIC2937A/29371/29372
Absolute Maximum Ratings
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
TO-263 θ
Input Supply Voltage..............................................................–20V to +60V
Electrical Characteristics
May 2006
Limits in standard typeface are for T
wise specified, V
(MIC29371-xx and MIC29372 only).
Symbol
V
ΔV
ΔT
ΔV
V
ΔV
V
V
I
I
I
ΔV
ΔP
e
GND
GNDDO
LIMIT
n
O
O
O
IN
O
O
O
O
D
– V
JC
JC
O
.....................................................................................2.5°C/W
.....................................................................................2.5°C/W
IN
Parameter
Output Voltage
Accuracy
Output Voltage
Temperature Coef.
Line Regulation
Load Regulation
Dropout Voltage
(Note 4)
Ground Pin Current
(Note 5)
Ground Pin
Current at Dropout
(Note 5)
Current Limit
Thermal Regulation
Output Noise
Voltage
(10Hz to 100kHz)
I
= V
L
= 100mA
OUT
+ 1V, I
L
= 5mA, C
J
= 25°C and limits in boldface apply over the full operating temperature range. Unless other-
Conditions
Variation from factory trimmed V
5mA ≤ I
MIC2937A-12 and 29371-12 only:
5mA ≤ I
(Note 2)
V
I
(Note 3)
I
I
I
I
I
I
I
I
V
(V
I
V
(Note 6)
(Note 7)
C
C
L
L
L
L
L
L
L
L
L
L
O
IN
IN
OUT
= 5 to 500mA
= 750mA
L
L
= 10µF. The MIC29372 are programmed for a 5V output voltage, and V
= 5mA
= 100mA
= 500mA
= 5mA
= 100mA
= 500mA
= 750mA
OUT
= 5mA
= 10µF
= 100µF
= V
= 0.5V less than designed V
= 0V
≥ 3.3V)
OUT
L
L
≤ 500mA
≤ 500mA
+ 1V to 26V
Output voltage > 10V
Output voltage > 10V
Output voltage > 10V
3
Operating Input Supply Voltage..................................................2V
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
†
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.
Across the full operating temperature, the minimum input voltage range for
OUT
OUT
–2.5
–1.5
Min
–1
–2
–3
–4
Typical
0.03
0.04
0.05
200
240
300
420
370
160
200
400
260
1.1
20
80
80
15
1
8
MIC2937A/29371/29372
SHUTDOWN
Max
0.10
0.40
0.16
0.30
100
350
150
180
600
750
250
300
500
2.5
1.5
2.5
1.5
0.2
13
16
25
1
2
3
4
3
2
Micrel, Inc.
≤ 0.6V
µV RMS
ppm/°C
†
Units
%/W
to 26V
mV
mA
µA
µA
%
%
%
A