Voltage Regulator. 78M05 Datasheet

78M05 Regulator. Datasheet pdf. Equivalent

Part	78M05
Description	3-Terminal 0.5A Positive Voltage Regulator
Feature	KA78M05 / LM78M05 / MC78M05 — 3-Terminal 0.5 A Positive Voltage Regulator January 2015 KA78M05 / L.
Manufacture	Fairchild Semiconductor
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78M05

January 2015

KA78M05 / LM78M05 / MC78M05

3-Terminal 0.5 A Positive Voltage Regulator

Features

Description

• Output Current up to 0.5 A

• Output Voltages of 5 V

• Thermal Overload Protection

• Short-Circuit Protection

• Output Transistor Safe Operating Area (SOA) Protection

The KA78M05 / LM78M05 / MC78M05 series of three-

terminal positive regulators is available in the TO-220 / D-

PAK packages, making it useful in a wide range of appli-

cations.

TO-220

GND

1

D-PAK GND

1

1. Input 2. GND 3. Output

Ordering Information(1)

Product Number

KA78M05TU

KA78M05RTM

MC78M05CDTX

LM78M05CT

Package

TO-220 (Dual Gauge)

D-PAK

TO-220 (Single Gauge)

Packing Method

Rail

Tape and Reel

Rail

Note:

1. Refer to below figure for TM / TF suffix of DPAK packing option.

Operating Temperature

-40 to +125°C

© 2001 Fairchild Semiconductor Corporation

KA78M05 / LM78M05 / MC78M05 Rev. 2.5

www.fairchildsemi.com

78M05

Block Diagram

INPUT

1

CURRENT

GENERATOR

SERIES

PASS

ELEMENT

SOA

PROTECTION

OUTPUT

3

R1

STARTING

CIRCUIT

REFERENCE

VOLTAGE

ERROR

AMPLIFIER

THERMAL

PROTECTION

Figure 1. Block Diagram

R2

GND

2

Absolute Maximum Ratings

Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-

ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-

tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The

absolute maximum ratings are stress ratings only.

Symbol

VI

RθJC

RθJA

Parameter

Input Voltage (for VO = 5 V)

Thermal Resistance, Junction-Case(2)

Thermal Resistance, Junction-Air(2), (3)

TOPR

TJ(MAX)

TSTG

Operating Junction Temperature Range

Maximum Junction Temperature Range

Storage Temperature Range

Notes:

2. Thermal resistance test board.

Size: 76.2 mm x 114.3 mm x 1.6 mm (1S0P)

JEDEC standard: JESD51-3, JESD51-7

3. Assume no ambient airflow.

TO-220 (TC = +25°C)

TO-220 (TA = +25°C)

D-PAK (TA = +25°C)

Value

35

2.5

66

92

-40 to +125

150

-65 to +150

Unit

V

°C/W

°C/W

°C

°C

°C

© 2001 Fairchild Semiconductor Corporation

KA78M05 / LM78M05 / MC78M05 Rev. 2.5

2

www.fairchildsemi.com

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