• 221 WEST INDUSTRY COURT • DEER PARK, NY 11729-4681 • PHONE (631) 586-7600 • FAX (631) 242-9798 •

• World Wide Web - http://www.sensitron.com • E-mail Address - sales@sensitron.com •

SENSITRON

SEMICONDUCTOR

TECHNICAL DATA

DATA SHEET 145, REV. –

Formerly part number SHD52630

POSITIVE 15 VOLT

VERY LOW DROPOUT VOLTAGE REGULATOR

FEATURES:

• LOW DROPOUT VOLTAGE

• ISOLATED HERMETIC PACKAGE

• SIMILAR to INDUSTRY TYPE LM2940 - 15

ELECTRICAL CHARACTERISTICS

All ratings are at TA = 25°C unless otherwise specified.

Parameter

Conditions

Typical

Limit

Units

Output Voltage

5 mA

≤ I

O ≤ 1A,

16.75V

≤ V

IN ≤ 26V

15.00

14.25

15.75

VMIN

VMAX

Line Regulation

VO + 2V ≤ VIN ≤ 26V,

IO = 5 mA

20

150

mVmax

Load Regulation

50 mA

≤ IO ≤ 1A

70

240

mVMAX

Output Impedance

100 mADC and 20 mArms, fO =

120 Hz

100

1000

m

Ω

Quiescent Current

VO + 2V ≤ VIN ≤ 26V,

IO = 5 mA

10

20

mAMAX

VIN = VO + 5V, IO = 1A

30

60

mAMAX

Output Noise Voltage

10 Hz - 100kHz,

IO = 5 mA

450

1000

µV

rms

Ripple Rejection

fO = 1 kHz, 1 Vrms,

IO = 5 mA

-

42

dBMIN

Long Term Stability

-

60

-

mV/1000 Hr

Dropout Voltage

IO = 1A

0.5

1.0

VMAX

IO = 100 mA

110

200

mVMAX

Short Circuit Current

See Note 1

1.9

1.3

AMIN

Maximum Line Transient

RO = 100Ω

t

≤ 20 ms

55

40

VMIN

Reverse Polarity

DC Input Voltage

RO = 100Ω

-30

-15

VMIN

Reverse Polarity Transient

Input Voltage

RO = 100Ω

t

≤ 20 ms

-55

-45

VMIN

Maximum Junction Temperature

-

-

150

°C

Storage Temperature Range

-

-65

°C ≤ T

J ≤

+150

°C

°C

Input Voltage

-

-

26

V

Operating Temperature Range

-

-55

°C ≤ T

A ≤

+125

°C

°C

Maximum Thermal Resistance

Junction to Case

-

-

3

°C/W

- VIN = VO + 5V, IO = 1A, CO = 22µF, unless otherwise specified.

1. Output current will decrease with increasing temperature but will not drop below 1A at the maximum specified temperature.

SHD526193