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PTH08080WAH Datasheet

  • PTH08080WAH

  • 2.25-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR

  • 685.88KB

  • 16頁

  • TI

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PTH08080W
SLTS235A 鈥?FEBRUARY 2005 鈥?REVISED MARCH 2005
2.25-A, WIDE-INPUT ADJUSTABLE SWITCHING REGULATOR
FEATURES
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Up to 2.25-A Output Current at 85擄C
4.5-V to 18-V Input Voltage Range
Wide-Output Voltage Adjust
(0.9 V to 5.5 V)
Efficiencies Up To 93%
On/Off Inhibit
Undervoltage Lockout (UVLO)
Output Overcurrent Protection
(Nonlatching, Auto-Reset)
Overtemperature Protection
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Ambient Temperature Range: 鈥?0擄C to 85擄C
Surface-Mount Package
Safety Agency Approvals:
UL/CUL 60950, EN60950 VDE (Pending)
APPLICATIONS
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Telecommunications, Instumentation,
and General-Purpose Circuits
DESCRIPTION
The PTH08080W is a highly integrated, low-cost switching regulator module that delivers up to 2.25 A of output
current. The PTH08080W sources output current at a much higher efficiency than a TO-220 linear regulator IC,
thereby eliminating the need for a heat sink. Its small size (0.5
脳
0.6 in) and flexible operation creates value for a
variety of applications.
The input voltage range of the PTH08080W is from 4.5 V to 18 V, allowing operation from either a 5-V or 12-V
input bus. Using state-of-the-art switched-mode power-conversion technology, the PTH08080W can step down to
voltages as low as 0.9 V from a 5-V input bus, with less than 1 W of power dissipation. The output voltage can
be adjusted to any voltage over the range, 0.9 V to 5.5 V, using a single external resistor. Operating features
include an undervoltage lockout (UVLO), on/off inhibit, overcurrent protection, and overtemperature protection.
Target applications include telecommunications, test and measurement applications, and high-end consumer
products. This product is available in both through-hole and surface-mount package options, including tape and
reel.
STANDARD APPLICATION
Inhibit
D1
$
5
4
R
SET
#
0.05 W, 1%
(Required)
V
O
C
O
*
100
m
F
Electrolytic
(Optional)
GND
PTH08080W
(Top View )
V
I
1
3
2
+
GND
C
I
*
100
m
F
Electrolytic
(Required)
* See The Capacitor Application Information
# See the Specification Table for the R
SET
value.
$ Diode is Required When V
O
> 5.25 V and V
I
> 16 V.
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

PTH08080WAH 產(chǎn)品屬性

  • 90

  • 電源 - 板載

  • DC DC Converters

  • PTH08080W

  • 非隔離（POL）

  • 1

  • 18V

  • 0.9 ~ 5.5 V

  • -

  • -

  • 2.25A

  • 12W

  • -

  • -

  • 通孔

  • 5-DIP 模塊

  • 0.60" L x 0.50" W x 0.32" H（15.2mm x 12.7mm x 8.1mm）

  • 托盤

  • -40°C ~ 85°C

  • 93.5%

  • 12.4W

  • 296-20432PTH08080WAH-ND

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