參數(shù)資料
型號: TPS54521RHLT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC14
封裝: GREEN, PLASTIC, QFN-14
文件頁數(shù): 5/40頁
文件大?。?/td> 1194K
代理商: TPS54521RHLT
EN
ip
ih
VIN
TPS54521
R 1
R 2
EN
ip
ih
PVIN
TPS54521
R 1
R 2
EN
ip
ih
VIN
TPS54521
R 1
R 2
PVIN
1
-
÷
è
-
+
÷
è
ENFALLING
START
STOP
ENRISING
ENFALLING
p
h
ENRISING
V
R1 =
V
I
V
(
)
-
+
ENFALLING
STOP
ENFALLING
p
h
R1 V
R2 =
V
R1 I
I
www.ti.com
SLVS981A – JUNE 2010 – REVISED AUGUST 2010
Figure 17. Adjustable VIN Under Voltage Lock Out
Figure 18. Adjustable PVIN Under Voltage Lock Out, VIN
≥ 4.5V
Figure 19. Adjustable VIN and PVIN Under Voltage Lock Out
(2)
(3)
Where Ih = 3.4 mA, Ip = 1.15 mA, VENRISING = 1.21 V, VENFALLING = 1.17 V
Adjustable Switching Frequency and Synchronization (RT/CLK)
The RT/CLK pin can be used to set the switching frequency of the device in two modes.
Copyright 2010, Texas Instruments Incorporated
13
Product Folder Link(s) :TPS54521
相關(guān)PDF資料
PDF描述
TPS54550PWP 9.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16
TPS54550PWPRG4 9.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16
TPS54610PWPR 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
TPS54610PWPRG4 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
TPS54613PWPRG4 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54525 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter
TPS54525EVM-608 功能描述:電源管理IC開發(fā)工具 TPS54525 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS54525PWP 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 4.5-18V Input,5.5A Sync SD Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
TPS54525PWPR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 4.5-18V Input,5.5A Sync SD Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
TPS54526 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5V to 18V Input, 5.5-A Synchronous Step-Down Converter with Eco-Modea?¢