Datasheet > SLTS034A

SLTS034A

更新时间： 2024-10-28 12:28:19

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
10页	237K
描述
8A Single Device Power, Up to 90% efficiency (PT6501), Small SIP Footprint

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SLTS034A 数据手册

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

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.

• 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-

Pin-Out Information Ordering Information PT Series Suffix

(PT1234X)

H eat T ab Configuration

Pin Function

PT 6501! = 3.3 Volts

PT 6502! = 1.5 Volts

PT 6503! = 2.5 Volts

PT 6504! = 3.6 Volts

PT 6505! = 1.2 Volts

PT 6506! = 1.8 Volts

PT 6507! = 1.3 Volts

PT 6508! = 1.7 Volts

Case/Pin

Configuration

None

Side

Remote Sense

Do not connect

STBY*-Standby

V_in

†

Vertical Through-Hole

Horizontal Through-Hole

Horizontal Surface Mount

Standard Application

V _oADJ

V_oS E N S E

†

V_{I N}

V_O

U T

4,5,6

11,12,13

P T 6 5 0 0

GND

V_out

7,8,9,10

C ₁

C ₂

LOAD

STBY

C O M

Pkg Style 400

†3.3V Input Bus Capable

C O M

C₁= Required 330µF electrolytic *

C₂= Required 330µF electrolytic *

V_out

* See footnotes

_outAdjust

Specifications

PT6500 SERIES

Characteristics

(T =25°C unless noted)

Symbols

Conditions

Min

0.1

—

Typ

—

Max

8.0

Units

(1)

Output Current

I_o

Over V_inrange

V_in=+5V

Current Limit

I_cl

13.0

15.0

20.0

—

Short Circuit Current

Input Voltage Range

I_sc

V_in

V_in=+5V

—

Apk

0.1≤ I_o≤ 8.0A

V_o=2.5V and 3.3V

V_o≤1.8V

4.5

3.1

4.8

—

V_o=3.6V

Output Voltage Tolerance

Line Regulation

∆V_o

V_in= +5V, I_o= 8.0A

T_a= 0 to +70°C

V_o-0.1

—

V_o+0.1

Reg_line

4.5V ≤ V_in≤ 6.0V, I_o= 8.0A

3.1V ≤ V_in≤ 6.0V, I_o= 8.0A

4.5V ≤ V_in≤ 6.0V, I_o= 8.0A

_o≥3.3V

_o≤1.8V

_o=2.5V

—

Load Regulation

Reg_load

0.1 ≤ I_o≤ 8.0A, V_in= +5V

_o≥3.3V

_o≤1.8V

_o=2.5V

—

V_oRipple/Noise

V_n

V_in= +5V, I_o= 8.0 Amp

—

mVpp

t_tr

V_os

Transient Response

with C_o= 330µF

I_ostep from 4A to 8.0A

V_oover/undershoot

—

100

150

—

µsec

Efficiency

V_in= +5V, I_o= 3.0A

V_o≥3.3V

V_o=2.5V

V_o=1.8V

V_o=1.5V

—

_o=1.2V

V_in= +5V, I_o= 8.0A

V_o≥3.3V

V_o=2.5V

V_o=1.8V

V_o=1.5V

—

_o=1.2V

Switching Frequency

ƒ_o

Over V_inand I_oranges

475

600

—

725

kHz

°C

(3)

(4)

Absolute Maximum

Operating Temperature Range

T_a

–40

+85

Thermal Resistance

θ_ja

Free Air Convection (40-60LFM)

—

°C/W

Continued

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

12 3 4 5 6 7...10

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