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PTN78020AAZ Datasheet

  • PTN78020AAZ

  • 25-W, WIDE-INPUT ADJUSTABLE POSITIVE-TO-NEGATIVE VOLTAGE REG...

  • 19頁

  • TI

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PTN78020A
www.ti.com
SLTS244A 鈥?APRIL 2005 鈥?REVISED MAY 2005
25-W, WIDE-INPUT ADJUSTABLE POSITIVE-TO-NEGATIVE VOLTAGE
REGULATOR MODULE
FEATURES
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4-A Output Current
Wide-Input Voltage
(9 V to 29 V)
Wide-Output Voltage Adjust
(鈥?5 V to 鈥? V)
High Efficiency (Up to 87%)
Output Current Limit
Overtemperature Shutdown
Undervoltage Lockout
Operating Temperature: 鈥?0擄C to 85擄C
Surface-Mount Package Available
APPLICATIONS
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General-Purpose, Industrial Controls,
HVAC Systems, Test and Measurement,
Medical Instrumentation, AC/DC Adaptors,
Vehicles, Marine, and Avionics
DESCRIPTION
The PTN78020A is a series of high-efficiency buck-boost-integrated switching regulators (ISR), that represent the
third generation in the evolution of high-performance power modules designed for industrial use. The wide-input
voltage range makes these modules suitable for a variety of applications that operate off 12鈥揤, 24鈥揤, and
tightly-regulated 28鈥揤 dc power. In new designs, they should be considered in place of the PT6640 and
PT78NR100 series of single in-line pin (SIP) products. The PTN78020A is smaller and lighter than its
predecessors, and has either similar or improved electrical performance characteristics. The caseless,
double-sided package has excellent thermal characteristics, and is compatible with TI's roadmap for RoHS and
lead-free compliance.
The PTN78020A operates over an input voltage range of 9 V to 29 V, and provides high-efficiency,
positive-to-negative voltage conversion for loads of up to 4 A. The output voltage is set using a single external
resistor, and may be adjusted to any value within the range, 鈥?5 V to 鈥? V.
STANDARD APPLICATION
1
PTN78020A
(Top View)
7
V
O
V
I
2
3
C1*
100
m
F
Electrolytic
(Required)
C2*
4x 4.7
m
F
Ceramic
(Required)
4
5
6
L
O
A
D
C3*
100
m
F
(Required)
GND
GND
R
SET
#
1 %, 0.05 W
(Required)
*See the
Application Information
for capacitor recommendation.
#R
SET
is required to adjust the output voltage lower than -3 V. See the
Application Information
for 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.
Copyright 漏 2005, Texas Instruments Incorporated

PTN78020AAZ 產(chǎn)品屬性

  • PTN78000 Wide-Input, Non-Isolated Power Module

  • 20

  • 電源 - 板載

  • DC DC Converters

  • PTN78020A

  • 非隔離（POL）

  • 1

  • 29V

  • -15 ~ -3 V

  • -

  • -

  • 4A

  • 25W

  • -

  • 帶有 UVLO

  • 表面貼裝

  • 7-DIP SMD 模塊

  • 1.50" L x 0.87" W x 0.38" H（38.1mm x 22.1mm x 9.7mm）

  • 托盤

  • -40°C ~ 85°C

  • 87%

  • 25W

  • 296-20511PTN78020AAZ-ND

PTN78020AAZ相關(guān)型號PDF文件下載

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