PT6425A

更新时间： 2024-10-27 13:12:31

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关
页数	文件大小	规格书
5页	236K
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PT6425A 数据手册

Application Notes

Mechanical Outline

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

Product Selector Guide

P T 6 4 2 0 S e r i e s

3 AMP ADJUSTABLE INTEGRATED

SWITCHING REGULATOR

Revised 5/15/98

• Adjustable Output Voltage

• 85% Efficiency

• Small SIP Footprint

• Input Voltage Range: 4.5V to 5.5V

• Remote Sense Capability

The PT6420 is a new addition to

the Power Trends high performance

+5V to +3.3V, 3Amp family of 14-Pin

SIP (Single In-line Package) Integrated

Switching Regulators (ISRs). Only two

external capacitors are required for

proper operation.

Please note that this product does

not include short circuit protection.

Pin-Out Information Ordering Information

PT Series Suffix

(PT1234X)

Pin Function

PT6424¨ = +1.5 Volts

PT6425¨ = +3.3 Volts

PT6426¨ = +1.8 Volts

PT6427¨ = +2.1 Volts

PT6428¨ = +1.2 Volts

PT6429¨ = +2.5 Volts

Case/Pin

Configuration

Remote Sense

Vertical Through-Hole

Horizontal Through-Hole

Horizontal Surface Mount

Do not connect

Standard Application

Do not connect

Remote

Sense

V_in

V_IN

V_OUT

4,5,6

11,12,13

PT6420

(V_OUP)

7,8,9,10

GND

100µF

(V_ODOWN)

Pkg Style 310

COM

Note: Back surface

of product is

conducting metal.

PT6420

C₁= Required 100µF electrolytic

C₂= Required 100µF electrolytic

GND

V_out

POWER TRENDS

V_out

_outAdjust

Specifications

PT6420 SERIES

Characteristics

(T_a= 25°C unless noted)

Symbols

I_o

Conditions

Min

Typ

—

Max

3.0

5.0

5.5

Units

Output Current

4.5V ≤ V_in≤ 5.5V

V_in= +5V

Current Limit

I_cl

—

4.5

3.6

—

Input Voltage Range

Output Voltage Tolerance

V_in

0.1A ≤ I_o≤ 3.0A

∆V_o

V_in= +5V, I_o= 3.0A

0°C ≤ T_a≤ +70°C

V^o-0.05

3.3

Vo+0.05

Line Regulation

Load Regulation

V_oRipple/Noise

Reg_line

Reg_load

V_n

4.5V ≤ V_in≤ 5.5V, I_o= 3.0A

V_in= +5V, 0.3 ≤ I_o≤ 3.0A

V_in= 5V, I_o= 3.0A

—

±10

±10*

±25

±25*

165

mVpp

Transient Response

with C₂= 100µF

t_tr

V_os

I_ostep between 1.5A and 3.0A

V_oover/undershoot

—

200

—

µSec

Efficiency

V_in= +5V, I_o= 1.5A Vo= 3.3V

—

V^o= 1.8V

V^o= 2.1V

Vo= 1.2V

Switching Frequency

ƒ_o

4.5V ≤ V_in≤ 5.5V

0.3A ≤ I_o≤ 3.0A

500

650

—

800

+85

kHz

°C

Absolute Maximum

Operating Temperature Range

T_a

Recommended Operating

Temperature Range

Free Air Convection (40-60 LFM)

At Vin= 5V, Io=2.5A

—

+70**

°C

Thermal Resistance

Storage Temperature

Mechanical Shock

θ_ja

T_s

Free Air Convection (40-60 LFM)

—

°C/W

°C

-40

+125

Per Mil-STD-883D, Method 2002.3 , 1 msec,

Half Sine, mounted to a fixture

—

500

—

G’s

Mechanical Vibration

Per Mil-STD-883D, Method 2007.2,

20-2000 Hz, Soldered in a PC board

—

G’s

Weight

—

6.5

grams

*When used with remote sense function.

**See Thermal Derating chart.

Note: The PT6420 Series requires two 100µF electrolytic or tantalum capacitors for proper operation in all applications.

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

12 3 4 5

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与PT6425A相关器件

型号	品牌	获取价格	描述	数据表
PT6425B	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT6425D	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, SMA14, SIP-14
PT6425E	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, SMA14, SIP-14
PT6425G	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT6425N	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE, VERTICAL THROUGH HOLE, SIP-14
PT6425P	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, PSIP14, ROHS COMPLIANT, SIP-14
PT6425R	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT6426	TI	获取价格	3 AMP ADJUSTABLE INTEGRATED SWITCHING REGULATOR
PT6426P	TI	获取价格	暂无描述
PT6426R	TI	获取价格	IC 5 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDFM14, PLASTIC, SIP-14, Switching

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