PT6655 datasheet(1/5 Pages) TI

Part #	PT6655

Description	5 AMP 24V INPUT INTEGRATED SWITCHING REGULATOR

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Manufacturer	TI [Texas Instruments]

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For assistance or to order, call (800) 531-5782

54

Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com

• Single Device: 5A Output

• Input Voltage Range: 9V to 28V

• Adjustable Output Voltage

• 80% Efficiency

• Remote Sense Capability

• Standby Function

The PT6650 series is a new addi-

tion to Power Trends’ line of 24V bus

Integrated Switching Regulators

5 AMP 24V INPUT

INTEGRATED SWITCHING REGULATOR

PT6650

Series

Standard Application

C1 = Required 100µF electrolytic

C2 = Required 330µF electrolytic

Q1= NFET-or Open Collector Gate

PT6650

4,5,6

7,8,9,10

11,12,13

V

IN

COM

V

OUT

C

2

+

C

1

+

1

3

STBY

Q

1

REMOTE SENSE

LOAD

Ordering Information

PT6651

¨ = +3.3 Volts

PT6652

¨ = +2.5 Volts

PT6653

¨ = +5.0 Volts

PT6654

¨ = +9.0 Volts

PT6655

¨ = +15.0 Volts

PT6656

¨ = +12.0 Volts

PT Series Suffix (PT1234X)

Case/Pin

Heat

Heat Spreader

Configuration

Spreader with Side Tabs

Vertical Through-Hole

PR

Horizontal Through-Hole DG

Horizontal Surface Mount EB

1

Remote Sense

2

Do Not Connect

3

STBY*- Standby

4Vin

5Vin

6Vin

7

GND

8

GND

9

GND

10

GND

11

Vout

12

Vout

13

Vout

14

Vout Adjust

Pin-Out Information

(ISRs). Designed for general purpose

industrial applications requiring as

much as 5A of output current, the

PT6650 is packaged in a 14-Pin SIP

(Single In-line Package) and is available

in a surface-mount configuration.

Only two external capacitors are

required for proper operation. Please

note that this product does not include

short circuit protection.

Note: Back surface

of product is

conducting metal

54

Pkg Style 400

Specifications

Characteristics

PT6650 SERIES

(T

a = 25°C unless noted)

Symbols

Conditions

Min

Typ

Max

Units

Output Current

Io

Ta = 60°C, 200 LFM, pkg P

0.1*

—

5.0**

A

Ta = 25°C, natural convection

0.1*

—

5.0**

A

Input Voltage Range

Vin

0.1A

≤ Io ≤ 5.0A

Vo < +6V

+9V

—

+28V

V

Vo > +6V

Vo+3

—

+28V

V

Output Voltage Tolerance

∆Vo

Over Vin range

Ta = -40°C to +65°C

Vo-0.1

—

Vo+0.1

V

Output Voltage Adjust Range

Voadj

Pin 14 to Vo or ground

Vo = +3.3V

2.2

—

4.7

Vo = +2.5V

1.8

—

4.3

Vo = +5.0V

3.0

—

6.5

V

Vo = +9.0V

6.0

—

10.2

Vo = +12V

9.0

—

13.6

Vo = +15V

10.0

—

17.0

Line Regulation

Regline

+9V

≤Vin≤+28V, Io = 5.0A

—

±0.5

±1.0

%Vo

Load Regulation

Regload

Vin = +24V, 0.1≤ Io≤5.0A

—

±0.5

±1.0

%Vo

Vo Ripple/Noise

Vn

Vin = +24V, Io = 5.0A

Vo < +6V

—

50

—

mVpp

Vo > +6V

1.0

%Vo

Transient Response

ttr

Io step between 2.5A and 5.0A

—

100

—

µSec

with C2 = 330µF

Vos

Vo over/undershoot

—

100

—

mV

Efficiency

η

Vin = +24V, Io = 0.5x Io max

Vo = +3.3V

—

81

—

%

Vo = +2.5V

—

76

—

%

Vo = +5.0V

—

85

—

%

Vin = +24V, Io = Io max

Vo = +3.3V

—

80

—

%

Vo = +2.5V

—

75

—

%

Vo = +5.0V

—

84

—

%

Switching Frequency

ƒo

9V

≤ Vin ≤ 28V

500

550

600

kHz

Over Io range

Recommended Operating

Ta

Free Air Convection (40-60 LFM)

-40

—

+65

°C

Temperature Range

Over Vin and Io ranges with heat tab

Storage Temperature

Ts

—

-40

—

+125

°C

Mechanical Shock

—

Per Mil-STD-883D, Method 2002.3

—

500

—

G’s

Mechanical Vibration

—

Per Mil-STD-883D, Method 2007.2,

—

7.5

—

G’s

20-2000 Hz, soldered in a PC board

Weight

—

14

—

grams

*

ISR will operate down to no load with reduced specifications. ** See SOA curves.

Note: The PT6650 Series requires a 330µF(output) and 100µF(input) electrolytic capacitors for proper operation in all applications.

Revised 2/5/99

Application Notes

Mechanical Outline

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