
MIC5205
Micrel
MIC5205
2
June 2000
Pin Configuration
IN
1
OUT
BYP
EN
3
LBxx
Part
Identification
4
5
IN
1
OUT
ADJ
EN
3
LBAA
4
5
2
2
GND
GND
MIC5205-x.xBM5
Fixed Voltages
MIC5205BM5
Adjustable Voltage
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage (V
IN
) ............................
–
20V to +20V
Enable Input Voltage (V
EN
) ...........................
–
20V to +20V
Power Dissipation (P
D
) ...............Internally Limited,
Note 3
Lead Temperature (soldering, 5 sec.) ....................... 260
°
C
Junction Temperature (T
J
) .......................
–
40
°
C to +125
°
C
Storage Temperature (T
S
) .......................
–
65
°
C to +150
°
C
Operating Ratings
(Note 2)
Input Voltage (V
IN
) ....................................... +2.5V to +16V
Enable Input Voltage (V
EN
) .................................. 0V to V
IN
Junction Temperature (T
J
) .......................
–
40
°
C to +125
°
C
Thermal Resistance, SOT-23-5
(θ
JA
).......................
Note 3
Pin Description
MIC5205-x.x
(fixed)
MIC5205
(adjustable)
Pin Name
Pin Function
1
1
IN
Supply Input
2
2
GND
Ground
3
3
EN
Enable/Shutdown (Input): CMOS compatible input. Logic high = enable,
logic low or open = shutdown.
4
BYP
Reference Bypass: Connect external 470pF capacitor to GND to reduce
output noise. May be left open.
4
ADJ
Adjust (Input): Adjustable regulator feedback input. Connect to resistor
voltage divider.
5
5
OUT
Regulator Output
Ordering Information
Part Number
MIC5205BM5
MIC5205-2.5BM5
MIC5205-2.7BM5
MIC5205-2.8BM5
MIC5205-2.85BM5
MIC5205-2.9BM5
MIC5205-3.0BM5
MIC5205-3.1BM5
MIC5205-3.2BM5
MIC5205-3.3BM5
MIC5205-3.6BM5
MIC5205-3.8BM5
MIC5205-4.0BM5
MIC5205-5.0BM5
Other voltages available. Contact Micrel for details.
Marking
LBAA
LB25
LB27
LB28
LB2J
LB29
LB30
LB31
LB32
LB33
LB36
LB38
LB40
LB50
Voltage
Adj
2.5V
2.7V
2.8V
2.85V
2.9V
3.0V
3.1V
3.2V
3.3V
3.6V
3.8V
4.0V
5.0V
Accuracy
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
Junction 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
–
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
Package
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5