Bay Linear LM78M15T, LM78M15S, LM78M12T, LM78M12S, LM78M12D Datasheet
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Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
500mA Positive Voltage Re gulator
LM78MXX
Packaging Information
Ordering Information
Device Operating
Voltage
Temp.
LM78M05 7 to 20
0 to 125 °C
LM78M06 8 to 20
0 to 125 °C
LM78M08 10.5 to 23
0 to 125 °C
LM78M09 11.5 to 24
0 to 125 °C
LM78M10 12.5 to 25
0 to 125 °C
LM78M12 14.5 to 27
0 to 125 °C
LM78M15 17.5 to 30
0 to 125 °C
Description
The Bay Linear LM78MXX is integrated linear positive
regulator with three terminals. The LM78MXX offer several
fixed output voltages making them useful in wide range of
applications. When used as a zener diode/resistor co mbination
replacement, the LM78MXX usually results in an effective
output impedance improvement of two orders of magnitude,
lower quiescent current.
The LM78MXX is available in the TO-220, TO-263 &
TO-252 packages,
Features
• Output Current of 500mA
• Internal thermal overload protection
• Internal Short-Circuit Limited
• No External Component
• Output Voltage 5.0V, 6V, 8V, 9V, 10V,
12V, 15V
• Offer in plastic TO-220 & TO-252
• Direct Replacement for LM78MXX
Applications
• Post regulator for switching DC/DC
converter
• Bias supply for analog circuits
Bay Linear
Bay LinearBay Linear
Bay Linear
Inspire the Linear Power
Inspire the Linear PowerInspire the Linear Power
Inspire the Linear Power
TO-220 (T)
TO-252 (D)
TO-263 (S)
Top View
TO-263-3 (
1
Bay Linear
2
3
Top View
TO-263-3 (S)
1
Bay Linear
2
3
Top View
TO-263-3 (
1
Bay Linear
2
3
Top View
TO-263-3 (S)
1
Bay Linear
2
3
1. Input
2. GND
3. Output
Bay Linear, Inc
2418 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
LM78MXX
Absolute Maximum Rating
Parameter LM78M-- Unit
Input Voltage 35 V
Operating Free-Air, Case, Virtual Junction Temp. 0 to 150
Storage Temperature Range -65 to 150
Lead temperature 1.6 mm from case for sec. 260
°
C
Electrical Characteristics (LM78M05)
(VI=10V, IO=350mA, 0°C ≤T
J
≤
125 °C, unless otherwise specified, C
IN
=0.33µF, CD=0.1µF
Parameter Symbol Conditions MIN TYP MAX UNIT
Output Voltage V
O
TJ = 25
°
C
4.80 5.0 5.2 V
VI = 7V to 25V TJ = 25
°
C
, IO=200mA
- - 100
Line Regulation
∆
V
O
VI = 8V to 25V TJ = 25
°
C
, IO=200mA
- - 50
mV
IO = 5mA to 500mA, 25
°
C
- - 100
Load Regulation
∆
V
O
I
O
= 5mA to 200mA, 25
°
C
- - 50
mV
Ripple Rejection RR VI = 8.0V to 18V, f=120Hz, IO=300mA 62 - - dB
Output Noise Voltage V
N
F= 10Hz to 100Hz TJ = 25
°
C
45
µ
V/V
O
Dropout Voltage V
D
TJ = 25
°
C
2.0 V
Quiescent Current
T
J
= 25
°
C
4.0 6.0 mA
VI = 8V to 25V, TJ = 25
°
C,
IO=200mA
0.8
Quiescent Current
Change
∆
I
Q
IO = 5mA to 350mA, TJ = 25
°
C
0.5
mA
Electrical Characteristics (LM78M06)
(VI=11V, IO=350mA, 0°C ≤T
J
≤
125 °C, unless otherwise specified, C
IN
=0.33µF, CD=0.1µF
Parameter Symbol Conditions MIN TYP MAX UNIT
Output Voltage V
O
TJ = 25
°
C
5.75 6.0 6.25 V
VI = 8V to 25V TJ = 25
°
C
, IO=200mA
- - 100
Line Regulation
∆
V
O
VI = 9V to 25V TJ = 25
°
C
, IO=200mA
- - 50
mV
IO = 5mA to 500mA, 25
°
C
- - 120
Load Regulation
∆
V
O
IO = 5mA to 200mA, 25
°
C
- - 60
mV
Ripple Rejection RR VI = 11.5V to 21.5V, f=120Hz, IO=300mA 59 - - dB
Output Noise Voltage V
N
F= 10Hz to 100Hz TJ = 25
°
C
45
µ
V/V
O
Dropout Voltage V
D
TJ = 25
°
C
2.0 V
Quiescent Current
T
J
= 25
°
C
4.0 6.0 mA
VI = 9V to 25V, TJ = 25
°
C,
IO=200mA
0.8
Quiescent Current
Change
∆
I
Q
IO = 5mA to 350mA, TJ = 25
°
C
0.5
mA
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