COM117T datasheet(2/2 Pages) ETC

2 / 2 page

205 Crawford Street, Leominster, MA 01453 USA (978) 534-5776 FAX (978) 537-4246

3.3

COM117T

ELECTRICAL CHARACTERISTICS

-55°C

125°C, I

L = 8mA (unless otherwise specified)

Parameter

Symbol

Test Conditions

Min.

Max.

Unit

Reference Voltage

REF

DIFF = 3.0V, TA = 25°C

1.20

1.30

DIFF = 3.3V

•

1.20

1.30

DIFF = 40V

•

1.20

1.30

Line Regulation

LINE

3.0V

DIFF

40V, V

out = Vref,TA = 25°C

-99

m V

(Note 1)

3.3V

DIFF

40V, V

out = Vref

•

-23

Load Regulation

LOAD

DIFF = 3.0V, 10mA

1.5A, T

A = 25°C

-15

(Note 1)

DIFF = 3.3V, 10mA

1.5A

•

-15

m V

DIFF = 40V, 10mA

300mA, T

A = 25°C

-15

DIFF = 40V, 10mA

195mA

•

-15

Thermal Regulation

RTH

n = 14.6V, IL = 1.5A

-16

m V

d = 20 Watts, t = 20 ms, TA =25°C

Ripple Rejection

f = 120 Hz, V

out = Vref

•

(Note 2)

Adj = 10 µF

Adjustment Pin Current

Adj

DIFF = 3.0V, TA = 25°C

100

DIFF = 3.3V

•

100

µA

DIFF = 40V

•

100

Adjustment Pin

Adj

DIFF = 3.0V, 10mA

1.5A, T

A = 25°C

-55

Current Change

DIFF = 3.3V, 10mA

1.5A

•

-55

DIFF = 40V, 10mA

300mA, T

A = 25°C

•

-55

DIFF = 40V, 10mA

195mA

•

-55

µA

3.0V

DIFF

40V, T

A = 25°C

-55

3.3V

DIFF

40V

•

-55

Miminum Load Current

Lmin

DIFF = 3.0V, VOUT = 1.4V (forced)

5.0

DIFF = 3.3V, VOUT = 1.4V (forced)

•

5.0

m A

DIFF = 40V, VOUT = 1.4V (forced)

•

5.0

Current Limit

DIFF = 15V

•

1.5

3.5

(Note 2)

DIFF = 40V, TA = 25°C

0.18

1.5

Notes:

. Load and Line Regulation are specified at a constant junction temperature. Pulse testing with low duty cycle is used.

Changes in output voltage due to heating effects must be taken into account separately.

. If not tested, shall be guaranteed to the specified limits.

. The

•denotes the specifications which apply over the full operating temperature range.

MECHANICAL OUTLINE

TO-257AA

.430

.410

.200

.190

.038 MAX.

.005

.120 TYP.

.537

.527

.665

.645

.420

.410

.150

.140

.750

.500

.100 TYP.

.035

.025

.045

.035

PIN CONNECTION

Front View

Pin 1:

Adjust

Pin 2:

Output

Pin 3:

Input

Tab:

Isolated

12 3

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