PT6605G datasheet(1/9 Pages) TI1

Part #	PT6605G

Description	Single Device 9A Output

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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

Standard Application

C1 = Required 330µF electrolytic (1)

C2 = Required 330µF electrolytic (1)

Q1= NFET-or Open Collector Gate

PT6600

11,12,13

14

7,8,9,10

4,5,6

3

1

C

OUT

+

C

IN

+

LOAD

V

oADJ

V

IN

STBY

COM

V

OUT

COM

V

oSENSE

Q1

Ordering Information

PT6601! = +3.3 Volts

PT6602! = +1.5 Volts

PT6603! = +2.5 Volts

PT6604! = +3.6 Volts

PT6605! = +1.2 Volts

PT6606! = +1.8 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

Note: Back surface

of product is

conducting metal.

Pin-Out Information

Function

1

Remote Sense

2

Do not connect

3

STBY*-Standby

4Vin

5Vin

6Vin

7

GND

8GND

9GND

10

GND

11

Vout

12

Vout

13

Vout

14

Vout Adjust

9 Amp 5V/3.3V Input Adjustable

Integrated Switching Regulator

• Single Device 9A Output

• Input Voltage Range: 3.1V to 6.0V

• Adjustable Output Voltage

• 90% Efficiency

• Remote Sense Capability

• Standby Function

• Over-Temperature Protection

The PT6600 series is a high per-

formance family of 14-Pin SIP (Single

In-line Package) Integrated Switching

Regulators (ISRs), designed for stand-

alone operation in applications

requiring as much as 9A of output

current.

The PT6600 series will operate

off either a 3.3V or 5V input bus and

requires only two external capacitors

for proper operation. Please note that

this product does not include short

circuit protection.

PT6600 Series

Pkg Style 400

†3.3V Input Bus Capable

†

SLTS035A

(Revised 6/30/2000)

Specifications

Characteristics

PT6600 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 (2)

—

9.0 (4)

A

Ta = 25°C, natural convection

0.1 (2)

—

7.0 (4)

Input Voltage Range

Vin

0.1A

≤ Io ≤ 8.0A

Vo= +2.5/3.3V

4.5

—

6.0

Vo ≤ 1.8V

3.1

—

6.0

V

Vo= +3.6V

4.8

—

6.0

Output Voltage Tolerance

∆Vo

Vin = +5V, Io = 8.0A

Vo-0.1

—

Vo+0.1

V

Ta = 0°C to 65°C

Output Voltage Adjust Range

Voadj

Pin 14 to Vo or ground

Vo= +3.3V

2.25

—

4.20

Vinmin=+3.1V or Vo+1.2V

Vo= +1.5V

1.27

—

2.65

V

(whichever is greater)

Vo= +2.5V

1.80

—

3.50

Vo= +3.6V

2.50

—

4.30

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= +1.5V

—

±3

±8

mV

4.5V

≤ Vin ≤ 6.0V, Io = 8.0A

Vo= +2.5V

—

±7

±13

Load Regulation

Regload

Vin = +5V, 0.1 ≤ Io ≤ 8.0A

Vo= +3.3V

—

±17

±33

Vo= +1.5V

—

±12

±23

mV

Vo= +2.5V

—

±13

±25

Vo Ripple/Noise

Vn

Vin = 5V, Io = 8.0A

—

50

—

mVpp

Transient Response

ttr

Io step between 4.0A and 8.0A

—

100

—

µSec

with C2 = 330µF

Vos

Vo over/undershoot

—

150

—

mV

Efficiency

η

Vin = +5V, Io = 3.0A

Vo = +3.3/3.6V

—

90

—

Vo = +1.5V

—

76

—

%

Vo = +2.5V

—

85

—

Vin = +5V, Io = 8.0A

Vo = +3.3/3.6V

—

83

—

Vo = +1.5V

—

68

—

%

Vo = +2.5V

—

76

—

Switching Frequency

ƒo

3.1V

≤ Vin ≤ 6.0V

475

600

725

kHz

0.1A

≤ Io ≤ 8.0A

Absolute Maximum

Ta

Over Vin range

–40 (3)

—+85 (4)

°C

Operating Temperature Range

Thermal Resistance

θ

ja

Free Air Convection (40-60 LFM)

—

25

—

°C/W

Continued

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