KA317M datasheet(2/8 Pages) FAIRCHILD

Part #	KA317M

Description	3-Terminal 0.5A Positive Adjustable Regulator

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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KA317M

2

Absolute Maximum Ratings

Electrical Characteristics

(VI-VO=5V, IO= 0.1A, 0

°C ≤ TJ ≤ + 125°C, PDMAX = 7.5W, unless otherwise specified)

Note :

1. Thermal resistance test board

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

JEDEC standard: JESD51-3, JESD51-7

2. Assume no ambient airflow.

3. Load and Line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken

into account separately. Pulse testing with low duty cycle is used.

4. CADJ, when used, is connected between the adjustment pin and ground.

Parameter

Symbol

Value

Unit

Input Output Voltage Differential

VI - VO

40

V

Power Dissipation

PD

Internally limited

W

Thermal Resistance Junction-Air

D-PAK (Note1,2)

R

θJA

100

°C/W

Operating Junction Temperature Range

Tj

0 ~ +125

°C

Storage Temperature Range

TSTG

-65 ~+125

°C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Line Regulation (Note3)

Rline

TA = +25

°C, 3V ≤ VI −VO ≤ 40V

-

0.01

0.04

%/ V

3V

≤ VI −VO ≤ 40V

-

0.02

0.07

Load Regulation (Note3)

Rload

TA =+ 25

°C, 10mA ≤ IO ≤ 0.5A

VO

≤ 5V

VO

≥ 5V

-5

0.1

25

0.5

mV

%/ VO

10mA

≤ IO ≤ 0.5A

VO

≤ 5V

VO

≥ 5V

-20

0.3

70

1.5

mV

%/ VO

Adjustment Pin Current

IADJ

-

50

100

uA

Adjustment Pin Current

Change

∆IADJ

3V

≤ VI - VO ≤ 40V

10mA

≤ IO ≤ 0.5A, PD < PDMAX

-0.2

5

uA

Reference Voltage

VREF

3V

< VI - VO < 40V

10mA

≤ IO ≤ 0.5A, PD < PDMAX

1.20

1.25

1.30

V

Temperature Stability

STT

-

0.7

-

%/ VO

Minimum Load Current to

Maintain Regulation

IL(MIN)

VI - VO

= 40V

-

3.5

10

mA

Maximum Output Current

IO(MAX)

VI - VO

≤15V, PD < PDMAX

0.5

0.9

-

A

VI - VO

= 40V

PD

< PDMAX, TA =+ 25°C

0.15

0.25

-

RMS Noise, % of VOUT

eN

TA = +25

°C, 10Hz < f < 10KHz

-

0.003

-

%/ VO

Ripple Rejection

RR

VO = 10V, f = 120Hz

without CADJ

CADJ = 10uF (Note4)

66

65

80

-dB

Long-Term Stability

ST

TJ =+ 125

°C, 1000Hours

-

0.3

1

%/1000Hrs

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