參數(shù)資料
型號(hào)： TPS54320RHL
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, PQCC14
封裝： 3.50 X 3.50 MM, GREEN, PLASTIC, QFN-14
文件頁(yè)數(shù)： 20/39頁(yè)
文件大小： 1358K
代理商： TPS54320RHL
V
= 10 V/div
IN
EN = 2 V/div
SS/TR = 1 V/div
V
= 2 V/div
OUT
t - Time - 2 ms/div
EN = 1 V/div
V
starting and stopping
from a 0.5 V pre-bias voltage
OUT
V
= 1 V/div
OUT
t - Time - 2 ms/div
V
=10mV/div(ACcoupled)
OUT
t-Time-1 s/div
m
Inductorcurrent=1 A/div
PH=10V/div
V
= 10 V/div
IN
EN = 2 V/div
SS/TR = 1 V/div
V
= 2 V/div
OUT
t - Time - 100 s/div
m
V
= 12 V
IN
Inductor current = 5 A/div
PH = 10 V/div
SS/TR = 1 V/div
V
= 2 V/div
OUT
t - Time - 20 ms/div
Load = 0.2
W
V
=200mV/div(ACcoupled)
IN
Inductorcurrent=1 A/div
PH=10V/div
t-Time-1 s/div
m
www.ti.com
SLVS982A – AUGUST 2010 – REVISED SEPTEMBER 2010
STARTUP and SHUTDOWN with PRE-BIAS on EN (1.1
SHUTDOWN with VIN
Load)
(1.1
Load)
Figure 41.
Figure 42.
SHUTDOWN with EN
(1.1
Load)
OUTPUT VOLTAGE RIPPLE (1.1
Load)
Figure 43.
Figure 44.
INPUT VOLTAGE RIPPLE (1.1
Load)
OVERCURRENT HICCUP MODE
Figure 45.
Figure 46.
Copyright 2010, Texas Instruments Incorporated
27
Product Folder Link(s) :TPS54320
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參數(shù)描述
TPS54320RHLR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 4.5-17V Inp3A Sync Step Down Cnvrtr 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
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TPS54320RHLT 制造商:Texas Instruments 功能描述:IC SYNC STEP-DOWN CONTROLLER 1.2MHZ Q 制造商:Texas Instruments 功能描述:IC, SYNC STEP-DOWN CONTROLLER, 1.2MHZ, QFN-14
TPS54325 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?)
TPS54325_10 制造商:TI 制造商全稱:Texas Instruments 功能描述:4.5-V to 18-V, 3-A OUTPUT SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET (SWIFT?)
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