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PTN78020HAH Datasheet

  • PTN78020HAH

  • 6-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR

  • 25頁

  • TI

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PTN78020W
PTN78020H
www.ti.com
SLTS228A 鈥?DECEMBER 2004 鈥?REVISED APRIL 2005
6-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
FEATURES
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6-A Output Current
Wide-Input Voltage
(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 96%)
On/Off Inhibit
Undervoltage Lockout
Output Current Limit
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Overtemperature Shutdown
Operating Temperature: -40擄C to 85擄C
Surface Mount Package Available
APPLICATIONS
General-Purpose, Industrial Controls,
HVAC Systems, Test and Measurement,
Medical Instrumentation, AC/DC Adaptors,
Vehicles, Marine, and Avionics
DESCRIPTION
The PTN78020 is a series of high-efficiency, step-down integrated switching regulators (ISRs), 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 28鈥揤
dc power. In new designs they should be considered in place of the PT6620, PT6650, PT6680, and PT6880
series of single in-line pin (SIP) products. The PTN78020 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.
Operating from a wide-input voltage range, the PTN78020 provides high-efficiency, step-down voltage
conversion for loads of up to 6 A. The output voltage is set using a single, external resistor. The PTN78020W
may be set to any value within the range, 2.5 V to 12.6 V, and the PTN78020H from 11.85 V to 22 V. The output
voltage of the PTN78020W 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 PTN78020H can be as little as 3 V lower than the input, allowing
operation down to 15 V, with an output voltage of 12 V.
The PTN78020 has undervoltage lockout, an integral on/off inhibit, and includes an output current limit and
overtemperature protection.
STANDARD APPLICATION
V
I
1
2
PTN78020
(Top View)
6
Inhibit
C
I
*
Ceramic
(Required)
GND
3
4
5
R
SET#
1%, 0.05 W
(Required)
V
O
V
O
Sense
C
O
*
330
m
F
(Required)
GND
L
O
A
D
7
*See the
Application Information
section for capacitor recommendations. The minimum input capacitance
for is 2.2
m
F for PTN78020W, and 18.8
m
F (4 x 4.7
m
F) for PTN78020H
#R
SET
is required to adjust the output voltage. See the
Application Information
section 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 2004鈥?005, Texas Instruments Incorporated

PTN78020HAH 產(chǎn)品屬性

  • PTN78000 Wide-Input, Non-Isolated Power Module

  • 20

  • 電源 - 板載

  • DC DC Converters

  • PTN78020H

  • 非隔離（POL）

  • 1

  • 15V

  • 36V

  • 11.85 ~ 22 V

  • -

  • -

  • 6A

  • 90W

  • -

  • 帶有 UVLO

  • 通孔

  • 7-DIP 模塊

  • 1.50" L x 0.87" W x 0.35" H（38.1mm x 22.1mm x 8.9mm）

  • 托盤

  • -40°C ~ 85°C

  • 96%

  • 90W

  • 296-20512PTN78020HAH-ND

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