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PTN78000H

更新时间： 2024-09-25 06:05:47

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关输入元件
页数	文件大小	规格书
25页	650K
描述
1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR

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PTN78000H 数据手册

PTN78000W, PTN78000H

www.ti.com ...................................................................................................................................... SLTS230C–NOVEMBER 2004–REVISED SEPTEMBER 2008

1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR

FEATURES

DESCRIPTION

•

1.5-A Output Current

•

Wide-Input Voltage

The PTN78000 is

series of high-efficiency,

step-down Integrated Switching Regulators (ISR),

that represent the third generation in the evolution of

the popular 78ST100 series of products. In new

designs it should be considered in place of the

78ST100, PT78ST100, PT5100, and PT6100 series

of single in-line pin (SIP) products. The PTN78000 is

smaller and lighter than its predecessors, and has

either similar or improved electrical performance

characteristics. The case-less, double-sided package,

also exhibits improved thermal characteristics, and is

compatible with TI's roadmap for RoHS and lead-free

compliance.

(7 V to 36 V) / (15 V to 36 V)

•

Wide-Output Voltage Adjust

(2.5 V to 12.6 V) / (11.85 V to 22 V)

•

High Efficiency (Up to 95%)

On/Off Inhibit

Undervoltage Lockout

Output Current Limit

Overtemperature Shutdown

Operating Temperature: –40°C to 85°C

Surface Mount Package Available

Operating from a wide-input voltage range, the

PTN78000 provides high-efficiency, step-down

voltage conversion for loads of up to 1.5 A. The

output voltage is set using a single external resistor.

The PTN78000W may be set to any value within the

range, 2.5 V to 12.6 V, and the PTN78000H from

APPLICATIONS

•

General-Purpose, Industrial Controls,

HVAC Systems, Test and Measurement,

Medical Instrumentation, AC/DC Adaptors,

Vehicles, Marine, and Avionics

11.85

V to 22 V. The output voltage of the

PTN78000W can be as little as 2 V lower than the

input, allowing operation down to 7 V, with an output

voltage of 5 V. The output voltage of the PTN78000H

can be as little as 3 V lower than the input, alowing

operation down to 15 V, with an output voltage of

12 V.

STANDARD APPLICATION

PTN78000

(Top View)

The PTN78000 has undervoltage lockout and an

integral on/off inhibit. The modules are suited to a

wide variety of general-purpose applications that

operate off 12-V, 24-V, or 28-V_DCpower.

Inhibit

(A)

100 mF

(B)

(A)

Electrolytic

(Required)

SET

0.05 W, 1 %

(Required)

Ceramic

(Required)

GND

(A) See the Application Information section for

capacitor recommendations. The minimum input

capacitance is 2.2 µF for PTN78000W, and 9.4 µF (2

x 4.7 µF) for PTN78000H.

(B) R_SETis required to adjust the output voltage

higher than 2.5 V for PTN78000W, and high than

11.824 V for PTN78000H. See the Application

Information section for specific values.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与PTN78000H相关器件

型号	品牌	获取价格	描述	数据表
PTN78000HAH	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000HAS	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000HAST	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000HAZ	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000HAZT	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000W	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000W_08	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000WAH	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000WAS	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
PTN78000WAST	TI	获取价格	1.5-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR

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