參數(shù)資料
型號： TPS54320RHLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1320 kHz SWITCHING FREQ-MAX, PQCC14
封裝： 3.50 X 3.50 MM, GREEN, PLASTIC, QFN-14
文件頁數(shù)： 20/39頁
文件大?。?/td> 1358K
代理商： TPS54320RHLR
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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