MIC2920A-12WS Micrel Inc, MIC2920A-12WS Datasheet - Page 3

• Manufacturer Part Number: MIC2920A-12WS
• Description: IC REG LDO 400MA 12V SOT-223
• Manufacturer: Micrel Inc

Specifications of MIC2920A-12WS

• Regulator Topology: Positive Fixed
• Voltage - Output: 12V
• Voltage - Input: Up to 26V
• Voltage - Dropout (typical): 0.4V @ 400mA
• Number Of Regulators: 1
• Current - Output: 400mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Primary Input Voltage: 26V
• Output Voltage Fixed: 12V
• Dropout Voltage Vdo: 370mV
• No. Of Pins: 3
• Output Current: 400mA
• Operating Temperature Range: -40°C To +125°C
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 576-1750-5; MIC2920A-12WS

MIC2920A/29201/29202/29204
February 2005
Absolute Maximum Ratings
Input Supply Voltage .................................................–20V to +60V
Adjust Input Voltage (Notes 9 and 10) ......................–1.5V to +26V
Power Dissipation ................................... Internally Limited, Note 1
Operating Junction Temperature Range ............. –40°C to +125°C
Lead Temperature (Soldering, 5 seconds) ............................260°C
Storage Temperature Range ............................... –65°C to +150°C
If Military/Aerospace specified devices are required, contact your local
Micrel representative/distributor for availability and specifications.
Electrical Characteristics
Limits in standard typeface are for T
specified, V
eight pin MIC29204 is configured with the Adjust pin tied to the 5V Tap, the Output is tied to Output Sense (V
0.7V.
Symbol
V
I
IN
GNDDO
∆V
∆V
∆V
I
∆V
∆P
I
V
∆T
V
V
LIMIT
GND
e
- V
O
O
O
n
O
O
O
O
D
O
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)
IL = 100mA
= V
OUT
+ 1V, I
L
= 1mA, C
J
= 25°C and limits in boldface apply over the full operating temperature range. Unless otherwise
L
Conditions
Variation from factory trimmed V
1mA ≤ I
MIC2920A-12 and 29201-12 only
1mA ≤ I
(Note 2)
V
V
IL = 1 to 250mA (Note 3)
I
I
I
I
I
I
I
I
V
(V
I
V
(Note 6)
(Note 7)
CL = 10µF
CL = 100µF
L
L
L
L
L
L
L
L
O
= 10µF. Adjustable versions are set for an ouptu of 5V. The MIC29202 V
OUT
IN
IN
OUT
= 1mA
= 100mA
= 250mA
= 400mA
= 1mA
= 100mA
= 250mA
= 400mA
OUT
= 1mA
= V
= 0.5V less than designed V
> 10V only
= 0V
= 3.3V)
OUT
L
L
≤ 400mA, across temp. range
≤ 400mA, across temp. range
+ 1V to 26V
V
V
OUT
OUT
> 10V only
> 10V only
3
Operating Ratings
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 +30VOperating
Junction Temperature Range ............................. –40°C to +125°C
Thermal Characteristics:
†
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.
OUT
Across the full operating temperature, the minimum input voltage range for
OUT
SOT−223 θ
TO-220 θ
TO-263 θ
8-Pin SOIC θ
JC
JC
JC
................................................................... 3°C/W
................................................................... 3°C/W
JA
.............................................................. 15°C/W
Min
-2.5
-1.5
-1
-2
-3
-4
.............................................................Note 1
0.03
0.04
0.05
Typ
100
250
350
370
500
400
140
180
425
400
260
1.3
20
80
13
5
OUT
SHUTDOWN
= 5V), and V
1200
Max
0.10
0.40
0.16
0.30
100
350
150
180
600
750
200
300
400
100
2.5
1.5
2.5
0.2
12
15
1
2
3
4
2
9
≤ 0.7V. The
M9999-021505
Micrel, Inc.
SHUTDOWN
µV RMS
ppm/°C
Units
%/W
mV
mA
mA
†
µA
µA
%
%
%
to 26V
≤