MIC2954-07BM(1999) Просмотр технического описания (PDF) - Micrel
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Компоненты Описание
производитель
MIC2954-07BM Datasheet PDF : 12 Pages
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MIC2954
Ordering Information
Part Number
MIC2954-02BT
MIC2954-03BT
MIC2954-02BS
MIC2954-03BS
MIC2954-02BZ
MIC2954-03BZ
MIC2954-07BM
MIC2954-08BM
Accuracy
0.5%
1.0%
0.5%
1.0%
0.5%
1.0%
0.5%
1.0%
Pin Configuration
OUT 1
MIC2954
8 IN
SNS 2
7 FB
SHDN 3
6 TAP
GND 4
5 ERR
Junc. Temp. 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
SOP-8 (M)
Package
TO-220
TO-220
SOT-223
SOT-223
TO-92
TO-92
SOP-8
SOP-8
GND
TAB
1
2
3
IN GND OUT
SOT-223 (S)
Micrel
321
OUT
IN
GND
TO-92 (Z)
Pin Description
Pin No.
SOT-223
1
2, TAB
3
Pin No.
SOP-8
8
4
1
2
Pin No.
TO-220
1
2
3
Pin No.
TO-92
1
2
3
3
5
6
7
MIC2954
TO-220 (T)
3 OUT
2 GND
1 IN
Pin Name Pin Function
IN
GND
OUT
SNS
SHDN
ERR
TAP
FB
Supply Input
Ground
Regulator Output
Sense (Input): Output-sense-voltage end of internal resistive
divider. Connect to OUT (VOUT = 5V) for fixed 5V operation;
also see TAP. Not used in adjustable configuration.
Shutdown (Input): Active-low input enables regulator.
(Low = enable; high = shutdown.)
Error Flag (Output): Open collector (active-low) output. Active
state indicates an output (VOUT) undervoltage condition.
(Low = error, floating = normal.)
Divider Tap (Output): Resistive voltage divider tap. With 5V
applied to SNS, VTAP is approximately 1.23V. Connect to
FB for 5V operation. Not used in adjustable configuration.
Feedback (Input): Error amplifier input. Compared to internal
1.23V reference. Connect to external voltage divider for
adjustable operation or internal voltage divider (TAP) for 5V
operation (see SNS, TAP).
2
August 1999
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