參數(shù)資料
型號(hào)： TPS5625CPWPR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, PDSO28
封裝： PLASTIC, TSSOP-28
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 387K
代理商： TPS5625CPWPR
TPS5615, TPS5618, TPS5625, TPS5633
SYNCHRONOUS-BUCK HYSTERETIC REGULATOR CONTROLLER
SLVS177A – SEPTEMBER 1998 – REVISED NOVEMBER 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D ±1% Reference Over Full Operating
Temperature Range
D Synchronous Rectifier Driver for >90%
Efficiency
D Fixed Output Voltage Options of 1.5 V,
1.8 V, 2.5 V, and 3.3 V
D User-Selectable Hysteretic-Type Control
D Low Supply Current...3 mA Typ
D 11.4-V to 13-V Input Voltage Range, VCC
D Power Good Output
D Programmable Soft-Start
D Overvoltage/Overcurrent Protection
D Active Deadtime Control
description
The TPS5615 family of synchronous-buck regulator controllers provides an accurate supply voltage to DSPs.
The output voltage is internally set by a resistive divider with an accuracy of 1% over the full operating
temperature range. A hysteretic controller with user-selectable hysteresis is used to dramatically reduce
overshoot and undershoot caused by load transients. Propagation delay from the comparator inputs to the
output drivers is less than 250 ns. Overcurrent shutdown and crossover protection for the output drivers
combine to eliminate destructive faults in the output FETs. PWRGD monitors the output voltage and pulls the
open-collector output low when the output drops below 93% of the nominal output voltage. An overvoltage circuit
disables the output drivers if the output voltage rises 15% above the nominal value. The inhibit pin can be used
to control power sequencing. Inhibit and undervoltage lockout assures that the 12-V supply voltage and system
supply voltage (5 V or 3.3 V) are within proper operating limits before the controller starts. The output driver
circuits include 2-A drivers with internal 8-V gate-voltage regulators that can easily provide sufficient power for
today’s high-powered DSPs. The high-side driver can be configured either as a ground-referenced driver or as
a floating bootstrap driver. The TPS5615 family is available in a 28-pin TSSOP PowerPad
package. It operates
over a junction temperature range of 0
°C to 125°C.
AVAILABLE OPTIONS
PACKAGE
TJ
OUTPUT VOLTAGE
TSSOP
(PWP)
1.5 V
TPS5615PWP
0
°Cto125°C
1.8 V
TPS5618PWP
0
°C to 125°C
2.5 V
TPS5625PWP
3.3 V
TPS5633PWP
The PWP package is availble taped and reeled. Add R suffix to
device type (e.g., TPS5615PWPR).
Copyright
1998, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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.
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5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
IOUT
AGND2
OCP
VHYST
VREFB
VSENSE
ANAGND
SLOWST
BIAS
LODRV
LOHIB
DRVGND
LOWDR
DRV
PWRGD
NC
INHIBIT
IOUTLO
LOSENSE
HISENSE
BOOTLO
HIGHDR
BOOT
VCC
PWP PACKAGE
(TOP VIEW)
NC – No internal connection
PowerPAD is a trademark of Texas Instruments Incorporated.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS5625EVM-105 功能描述:HIGH-PERFORMANCE SYNCHRONOUS BUC RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
TPS5625EVM-112 功能描述:HIGH-PERFORMANCE SYNCHRONOUS BUC RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
TPS5625PWP 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 High Current Synch Buck Controller 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS5625PWPG4 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 High Crnt Synch Buck Cntrlr 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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
TPS5625PWPRG4 功能描述:DC/DC 開關(guān)控制器 High Crnt Synch Buck Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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