SGS Thomson Microelectronics KD1083D2T30, KD1083D2T25, KD1083D2T, KD1083V33, KD1083V30 Datasheet

7.5A LOW DROP POSITIVE VOLTAGE REGULATOR

■ THREE TERMINAL ADJUSTABLE OR FIXED

OUTPUT VOLTAGE 1.5V,1.8V, 2.5V, 3.0, 3.3V

■ OUTPUT CURRENT UP TO 7.5A

■ 1.4V MAX DROPOUT V OLTAGE AT FULL

LOAD

■ LINE REGULATION: MAX 0.2% OVE R FULL

TEMPERATURE RANGE

■ LOAD REGULATION: MAX 0.5% OVER FULL

TEMPERATURE RANGE

■ OUTPUT CURRENT LIMIT

■ THERMAL SHUTDOWN PROTECTION

WITH HYSTERESIS

■ WIDE OPE RATING TEMPERATURE RANGE

-40°C TO 125°C

■ PINOUT COM PATIBILITY WITH STANDARD

ADJUSTABLE VREG

DESCRIPTION

The KD1083 is a low drop linear voltage regula tor,
proposed both in adjustable and fixed version and
designed for use in applications requiring output
currents up to 7.5A. Dropout v oltage is
guaranteed not to exceed 1.4V at maximum
output current while it decreases at
lighter loads. The KD10 83 also features an
on-chip output current limit function and a thermal
shutdown pro tection with hysteresis, preventing
from excessive p ower dissipation in case of

SCHEMATIC DIAGRAM

KD1083

ADJUSTABLE AND FIXED

PRELIMINARY DATA

TO-220 D2PAK

insufficient heatsinking. The KD1083 is fully pin to
pin compatible with the older 3-terminal adjustable
regulators, but it has better performances in terms
of drop and output voltage precis ion.
On chip trimming allows the regulator to reach a
very t ight output voltage tolerance, within ±2% at
25°C and 2% over the full temperature range.
Unlike v oltage regulators using a PNP transistor
as series pass element in which a considerable
fraction of the output current is wasted as
quiescent current, the LD1083 quiescent current
flows almost entirely into the load, improving the
efficiency.
Only a 10µF minimum capacitor is required for
output stability.

1/11October 2002

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

KD1083

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

V

I

P
T
T

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.

THERMAL DATA

DC Input to Output Voltage

IN

Output Current

O

Power Dissipation

D

Storage Temperature Range

stg

Operating Junction Temperature Range

op

from -0.3 to 10 V
Internally Limited A
Internally Limited W

-55 to +150 °C

-40 to +125 °C

Symbol Parameter TO-220

R

thj-case

R

thj-amb

Thermal Resistance Junction-case
Thermal Resistance Junction-ambient

3 3 °C/W

50 62.5 °C/W

CONNECTION DIAGRAM (top view)

TO-220 D2PAK

ORDERING CODES

TO-220

KD1083V15 KD1083D2T15 1.5V
KD1083V18 KD1083D2T18 1.8V
KD1083V25 KD1083D2T25 2.5V
KD1083V30 KD1083D2T30 3.0V
KD1083V33 KD1083D2T33 3.3V

KD1083V KD1083D2T Adjustable

(*) Available in Tape & Reel with the suffix "R" for fixed version and "-R" for adjustable version.

2

D

PAK(*)

2

D

PAK

OUTPUT VOLTAGE

Unit

TYPICAL APPLICATION CIRCUITS

2/11

VO=V

REF

R

2

(1 + )

R

1

KD1083

ELECTRICAL CHARACTERISTICS OF KD1083 (VIN=3V, CI=CO=10µF, Tj= -40 to 125°C, unless

otherwise s pec ified .)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

∆V
∆V

I

O(min)

∆I

SVR Supply Voltage Rejection f = 120 Hz, C

T

T

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

Reference Voltage IO=10mA , (VIN-VO)=3V,Tj= 25°C 1.237 1.25 1.262 V

REF

= 0.01 to 7.5A, (VIN-VO) = 1.5 to 5.75V

I

O

1.225 1.25 1.275 V

(note1)

Line Regulation IO=10mA, (VIN-VO) = 1.5 to 5.75V 0.015 0.2 %

REF

Load Regulation (VIN-VO)=3V, IO = 10mA to 7.5A 0.3 0.5 %

REF

V

Dropout Voltage ∆VO=2%, IO=7.5A 1.05 1.4 V

d

Short Circuit Current (VIN-VO) = 1.5 to 5.75V 8.5 A

I

sc

Minimum Load Current (VIN-VO) = 1.5 to 5.75V 5 10 mA
Adjust Pin Current IO = 10mA to 7.5A 40 80 µA

I

ADJ

Adjust Pin Current Change IO = 10mA to 7.5A, (VIN-VO) = 1.5 to 5.75V 0.2 5 µA

ADJ

60 75 dB

0.003 %

175 °C

5°C

eN RMS Output Noise Voltage

(% of V
Thermal Shutdown

SHDN

Threshold
Thermal Shutdown

HYST

Hysteresis

)

O

=25µF, IO= 7.5A,

O

)=3V, VPP=1V

(V

IN-VO

T

= 25°C, f =10Hz to 10kHz, IO=10mA,

A

)=3V

(V

IN-VO

ELECTRICAL CHARACTERISTICS OF KD1083#15 (VIN=3.25V, CI=CO=10µF, Tj= -40 to 125°C,
unless otherwise specified.)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage IO=10mA , (VIN-VO)=3V, Tj= 25°C 1.485 1.5 1.515 V

V

O

= 0 to 7.5A, (VIN-VO) = 1.5 to 5.5V

I

O

(note1)

Line Regulation IO=10mA, (VIN-VO) = 1.5 to 5.5V 0.015 0.2 %

∆V

O

Load Regulation (VIN-VO)=3V, IO = 0 to 7.5A 0.3 0.5 %

∆V

O

Dropout Voltage ∆VO=2%, IO=7.5A 1.05 1.4 V

V

d

I

Short Circuit Current (VIN-VO) = 1.5 to 5.5V 8.5 A

sc

Quiescent Current (VIN-VO) = 1.5 to 5.5V, IO=0A 5 10 mA

I

d

SVR Supply Voltage Rejection f = 120 Hz, C

(V

IN-VO

T

eN RMS Output Noise Voltage

(% of V

T

T

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

Thermal Shutdown

SHDN

Threshold
Thermal Shutdown

HYST

Hysteresis

)

O

= 25°C, f =10Hz to 10kHz, IO=10mA,

A

(V

IN-VO

=25µF, IO= 7.5A,

O

)=3V,VPP=1V

)=3V

1.47 1.5 1.53 V

58.6 73.4 dB

0.003 %

175 °C

5°C

3/11

KD1083

ELECTRICAL CHARACTERISTICS OF KD1083#18(VIN=3.5V, CI=CO=10µF, Tj= -40 to 125°C, unless

otherwise s pec ified .)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

Output Voltage IO=10mA , (VIN-VO)=3V, Tj= 25°C 1.782 1.8 1.818 V

O

= 0 to 7.5A, (VIN-VO) = 1.5 to 5.2V

I

O

(note1)

Line Regulation IO=10mA, (VIN-VO) = 1.5 to 5.2V 0.015 0.2 %

∆V

O

Load Regulation (VIN-VO)=3V, IO = 0 to 7.5A 0.3 0.5 %

∆V

O

V

Dropout Voltage ∆VO=2%, IO=7.5A 1.05 1.4 V

d

Short Circuit Current (VIN-VO) = 1.5 to 5.2V 8.5 A

I

sc

Quiescent Current (VIN-VO) = 1.5 to 5.2V, IO=0A 5 10 mA

I

d

SVR Supply Voltage Rejection f = 120 Hz, C

(V

IN-VO

T

eN RMS Output Noise Voltage

(% of V

T

T

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

Thermal Shutdown

SHDN

Threshold
Thermal Shutdown

HYST

Hysteresis

)

O

= 25°C, f =10Hz to 10kHz, IO=10mA,

A

(V

IN-VO

=25µF, IO= 7.5A,

O

)=3V,VPP=1V

)=3V

1.764 1.8 1.836 V

57 71.8 dB

0.003 %

175 °C

5°C

ELECTRICAL CHARACTERISTICS OF KD1083#25 (VIN=4.25V, CI=CO=10µF, Tj= -40 to 125°C,
unless otherwise specified.)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage IO=10mA , (VIN-VO)=3V, Tj= 25°C 2.475 2.5 2.525 V

V

O

= 0 to 7.5A, (VIN-VO) = 1.5 to 4.5V

I

O

(note 1)

Line Regulation IO=10mA, (VIN-VO) = 1.5 to 4.5V 0.015 0.2 %

∆V

O

Load Regulation (VIN-VO)=3V, IO = 0 to 7.5A 0.3 0.5 %

∆V

O

Dropout Voltage ∆VO=2%, IO=7.5A 1.05 1.4 V

V

d

I

Short Circuit Current (VIN-VO) = 1.5 to 4.5V 8.5 A

sc

Quiescent Current (VIN-VO) = 1.5 to 4.5V, IO=0A 5 10 mA

I

d

SVR Supply Voltage Rejection f = 120 Hz, C

(V

IN-VO

T

eN RMS Output Noise Voltage

(% of V

T

T

NOTE 1: See short-circuit current curve for available output current at fixed dropout.

Thermal Shutdown

SHDN

Threshold
Thermal Shutdown

HYST

Hysteresis

)

O

= 25°C, f =10Hz to 10kHz, IO=10mA,

A

(V

IN-VO

=25µF, IO= 7.5A,

O

)=3V,VPP=1V

)=3V

2.45 2.5 2.55 V

54.1 68.9 dB

0.003 %

175 °C

5°C

4/11