PT6507L datasheet(1/10 Pages) TI1

Part #	PT6507L

Description	Small SIP Footprint

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Manufacturer	TI1 [Texas Instruments]

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For technical support and more information, see inside back cover or visit www.ti.com/powertrends

PT6500 Series

8 Amp 5V/3.3V Input Adjustable ISR

with Short-Circuit Protection

SLTS034A

(Revised 8/23/2000)

• 8A Single Device Power

• Up to 90% efficiency (PT6501)

• Small SIP Footprint

• Standby Function

• Internal Short Circuit Protection

• Over-Temperature Protection

• Adjustable Output Voltage

The PT6500 series is a high perfor-

mance +3.1 to 6V input, 8 Amp, 14-Pin

SIP (Single In-line-Package) Inte-

grated Switching Regulator (ISR).

This ISR allows the integration of

high-speed, low-voltage Pentium pro-

cessors and their support logic into

existing 3.3V or 5V systems without

redesigning the central power supply.

The PT6502 (1.5V) provides the low

terminating voltages required by BTL/

Futurebus+, CTT, HP, and GTL Buses

from existing 3.3V or 5V power rails.

Ordering Information

PT6501! = 3.3 Volts

PT6502! = 1.5 Volts

PT6503! = 2.5 Volts

PT6504! = 3.6 Volts

PT6505! = 1.2 Volts

PT6506! = 1.8 Volts

PT6507! = 1.3 Volts

PT6508! = 1.7 Volts

PT Series Suffix (PT1234X)

Case/Pin

Heat Tab Configuration

Configuration

None

Side

Vertical Through-Hole

NR

Horizontal Through-Hole

AG

Horizontal Surface Mount

CB

Standard Application

C1 = Required 330µF electrolytic *

C2 = Required 330µF electrolytic *

* See footnotes

PT6500

11,12,13

14

7,8,9,10

4,5,6

3

1

C

2

+

C

1

+

LOAD

V

oADJ

V

IN

STBY

COM

V

OUT

COM

V

o SENSE

Q1

Pin-Out Information

Function

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

Pkg Style 400

†3.3V Input Bus Capable

†

Specifications

Characteristics

PT6500 SERIES

(T

a=25

°C unless noted)

Symbols

Conditions

Min

Typ

Max

Units

Output Current

Io

Over Vin range

0.1 (1)

—

8.0

A

Current Limit

Icl

Vin=+5V

—

13.0

20.0

A

Short Circuit Current

Isc

Vin=+5V

—

15.0

—

Apk

Input Voltage Range

Vin

0.1

≤ Io≤ 8.0A

Vo=2.5V and 3.3V

4.5

—

6

Vo≤1.8V

3.1

—

6

V

Vo=3.6V

4.8

—

6

Output Voltage Tolerance

∆Vo

Vin = +5V, Io = 8.0A

Vo-0.1

—

Vo+0.1

V

Ta = 0 to +70°C

Line Regulation

Regline

4.5V

≤ Vin ≤ 6.0V, Io = 8.0A

Vo ≥3.3V

—

±7

±17

3.1V

≤ Vin ≤ 6.0V, Io = 8.0A

Vo ≤1.8V

—

±3

±8

mV

4.5V

≤ Vin ≤ 6.0V, Io = 8.0A

Vo =2.5V

±7

±13

Load Regulation

Regload

0.1

≤ Io ≤ 8.0A, Vin = +5V

Vo ≥3.3V

—

±17

±33

Vo ≤1.8V

—

±12

±23

mV

Vo =2.5V

±13

±25

Vo Ripple/Noise

Vn

Vin = +5V, Io = 8.0 Amp

—

50

—

mVpp

Transient Response

ttr

Io step from 4A to 8.0A

—

100

—

µsec

with Co = 330µF

Vos

Vo over/undershoot

—

150

—

mV

Efficiency

η

Vin = +5V, Io = 3.0A

Vo ≥3.3V

—

90

—

Vo =2.5V

—

85

—

Vo =1.8V

—

78

—

%

Vo =1.5V

—

76

—

Vo =1.2V

—

67

—

Vin = +5V, Io = 8.0A

Vo ≥3.3V

—

83

—

Vo =2.5V

—

76

—

Vo =1.8V

—

74

—

%

Vo =1.5V

—

68

—

Vo =1.2V

—

65

—

Switching Frequency

ƒo

Over Vin and Io ranges

475

600

725

kHz

Absolute Maximum

Ta

–40 (3)

—+85 (4)

°C

Operating Temperature Range

Thermal Resistance

θ

ja

Free Air Convection (40-60LFM)

—

15

—

°C/W

Continued

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