Datasheet > PT6405

PT6405

更新时间： 2024-10-26 22:44:15

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	228K
描述
3 AMP ADJUSTABLE INTEGRATED SWITCHING REGULATOR

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数据手册

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PT6405 数据手册

Application Notes

Mechanical Outline

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

Product Selector Guide

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

3 AMP ADJUSTABLE

INTEGRATED SWITCHING REGULATOR

Revised 5/15/98

• Single-Device 5V to 3V Power

• 85% Efficiency

• Small SIP Footprint

• Adjustable Output Voltage

of low-power 3.3V logic IC’s into existing

5V systems without redesigning the central

power supply. Only two external capacitors

are required for proper operation. The

output voltage is easily adjustable with one

external resistor. The PT6406,7,8 can be

used to terminate high-speed data buses

such as Futurebus (+2.1V) or the new GTL

(+1.2V) logic buses.

The PT6400 is a high performance

+5V to +3.3V, 3 Amp, 12-Pin SIP (Single

In-line Package) Integrated Switching

Regulator (ISR) designed for stand alone

(not parallelable) operation. This high-

performance ISR allows easy integration

Please note that this product does not

include short circuit protection.

Pin-Out Information Ordering Information

PT Series Suffix

(PT1234X)

Pin Function

PT6404¨ = +1.5 Volts

PT6405¨ = +3.3 Volts

PT6406¨ = +1.8 Volts

PT6407¨ = +2.1 Volts

PT6408¨ = +1.2 Volts

PT6409¨ = +2.5 Volts

Case/Pin

Configuration

Do not connect

Vertical Through-Hole

Horizontal Through-Hole

Horizontal Surface Mount

V_in

Standard Application

V_in

V_IN

V_OUT

GND

V_out

2,3,4

9,10,11

PT6400

(V_OUP)

5,6,7,8

100µF

(V_ODOWN)

Pkg Style 300

COM

PT6400

Note: Back surface

of product is

conducting metal.

C₁= Required 100µF electrolytic

C₂= Required 100µF electrolytic

V_out

V_outAdjust

Specifications

PT6400 SERIES

Characteristics

(T_a= 25°C unless noted)

Symbols

I_o

Conditions

Min

0.1*

—

Typ

—

Max

3.0

5.0

5.5

Units

Output Current

4.5V ≤ V_in≤ 5.5V

V_in= +5V

Current Limit

I_cl

3.6

—

Input Voltage Range

Output Voltage Tolerance

V_in

0.1A ≤ I_o≤ 3.0A

4.5

∆V_o

V_in= +5V, I_o= 3.0A

V^o-0.05

—

Vo+0.05

0°C ≤ T_a≤ +70°C

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

±25

165

Transient Response

with C₂= 100µF

t_tr

I_ostep between 1.5A and 3.0A

V_oover/undershoot

—

200

—

µSec

V_os

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

T_a

Operating Temperature Range

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

Weight

Per Mil-STD-883D, Method 2007.2,

20-2000 Hz, Soldered in a PC board

—

G’s

—

6.5

grams

*ISR will operate down to no load with reduced specifications

**See Thermal Derating chart.

Note: The PT6400 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PT6405相关器件

型号	品牌	获取价格	描述	数据表
PT6405B	TI	获取价格	SWITCHING REGULATOR, SFM12
PT6405D	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, SMA12, SIP-12
PT6405E	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, SMA12, SIP-12
PT6405ET	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, PSMA12, ROHS COMPLIANT, SMD-12
PT6405N	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE, VERTICAL THROUGH HOLE, SIP-12
PT6405P	TI	获取价格	5A SWITCHING REGULATOR, 800kHz SWITCHING FREQ-MAX, SMA12, SIP-12
PT6406	TI	获取价格	3 AMP ADJUSTABLE INTEGRATED SWITCHING REGULATOR
PT6406A	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE, HORIZONTAL THROUGH HOLE, SIP-12
PT6406B	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PT6406C	TI	获取价格	1-OUTPUT DC-DC REG PWR SUPPLY MODULE

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