參數(shù)資料
型號： TPS54550PWP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 9.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16
封裝： GREEN, PLASTIC, HTSSOP-16
文件頁數(shù)： 1/31頁
文件大?。?/td> 913K
代理商： TPS54550PWP
6,4 mm y 5,0 mm
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
50
55
60
65
70
75
80
85
90
95
100
0
1
2
3
4
5
6
I
-OutputCurrent- A
O
Efficiency-%
V =9V,
V
=3.3V,
f
=700kHz
I
O
sw
EFFICIENCY
vs
OUTPUTCURRENT
PH
VIN
PGND
BOOT
VSENSE
COMP
PWRPAD
VBIAS
SS/ENA
PWRGD
Input
Voltage
Output
Voltage
LSG
TPS54550
SYNC
SimplifiedSchematic
SLVS623A – MARCH 2006 – REVISED APRIL 2006
4.5-V TO 20-V INPUT, 6-A OUTPUT SYNCHRONOUS PWM
SWITCHER WITH INTEGRATED FET (SWIFT)
40 m MOSFET Switch for High Efficiency at
The
TPS54550
is
a
medium
output
current
6-A (7.5 Peak) Output Current
synchronous buck PWM converter with an integrated
high-side MOSFET and a gate driver for an low-side
Uses External Lowside MOSFET
external
MOSFET.
Features
include
a
Output Voltage Adjustable Down to 0.891 V
high-performance voltage error amplifier that enables
With 1% Accuracy
maximum performance under transient conditions
Synchronizes to External Clock
and flexibility in choosing the output filter inductors
and capacitors. The TPS54550 has an undervoltage
180° Out of Phase Synchronization
lockout circuit to prevent start-up until the input
Wide PWM Frequency—Fixed 250 kHz,
voltage reaches 4.5 V; a slow-start circuit to limit
500 kHz or Adjustable 250 kHz to 700 kHz
in-rush currents; and a power good output to indicate
Adjustable Slow Start
valid output conditions. The synchronization feature
is configurable as either an input or an output for
Adjustable Undervoltage Lockout
easy 180
° out of phase synchronization.
Load Protected by Peak Current Limit and
The
TPS54550
device
is
available
in
a
Thermal Shutdown
thermally-enhanced
16-pin
TSSOP
(PWP)
16-Pin TSSOP PowerPAD Package
PowerPAD
package.
TI
provides
evaluation
SWIFT Documentation Application Notes, and
modules and the SWIFT Designer software tool to
Design Software: www.ti.com/swift
aid in quickly achieving high-performance power
supply
designs
to
meet
aggressive
equipment
development cycles.
Industrial and Commercial Low Power
blank
Systems
blank
LCD Monitors and TVs
Computer Peripherals
blank
Point of Load Regulation for
blank
High-Performance DSPs, FPGAs, ASICs and
blank
Microprocessors
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.
SWIFT, PowerPAD are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數(shù)
參數(shù)描述
TPS54550PWP 制造商:Texas Instruments 功能描述:PWM SWITCHER FET 6A O/P HTSSOP16 制造商:Texas Instruments 功能描述:PWM SWITCHER, FET 6A O/P, HTSSOP16 制造商:Texas Instruments 功能描述:PWM SWITCHER, FET 6A O/P, HTSSOP16; Primary Input Voltage:20V; No. of Outputs:1; Output Voltage:12V; Output Current:6A; Voltage Regulator Case Style:HTSSOP; No. of Pins:16; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes
TPS54550PWPG4 功能描述:直流/直流開關調節(jié)器 4.5 to 20V Input 6A Step Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54550PWPR 功能描述:開關變換器、穩(wěn)壓器與控制器 4.5 to 20V Input 6A Step Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS54550PWPR/2801 功能描述:直流/直流開關調節(jié)器 4.5-20Vin,5A Sync SD Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54550PWPRG4 功能描述:開關變換器、穩(wěn)壓器與控制器 4.5 to 20V Input 6A Step Down RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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