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參數資料
型號: TPS54320RHLR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
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: 38/39頁
文件大小: 1358K
代理商: TPS54320RHLR
1
1.05
1.1
1.15
1.2
I
-PullupCurrent-
A
p
m
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V,
EN=1.1V
I
1.2
1.21
1.22
1.23
1.24
EN-UVLOThreshold-V
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V
I
400
500
600
700
800
3
6
9
12
15
18
V -InputVoltage-V
I
T =150°C
J
T =25°C
J
T =-40°C
J
Non-SwitchingOperatingQuiescentCurrent-
A
m
2.1
2.2
2.3
2.4
2.5
I
-SlowStartChargeCurrent-
A
SS
m
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
0.01
0.02
0.03
0.04
0.05
V
-SS/TRtoVsenseOffset-V
off
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
80
90
100
110
120
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
PWRGDThreshold-%ofV
ref
VSENSERising
VSENSEFalling
VSENSERising
VSENSEFalling
V =12V
I
SLVS982A – AUGUST 2010 – REVISED SEPTEMBER 2010
www.ti.com
TYPICAL CHARACTERISTICS (continued)
EN PIN PULL-UP CURRENT
vs TEMPERATURE
EN PIN UVLO THRESHOLD vs TEMPERATURE
Figure 7.
Figure 8.
NON-SWITCHING OPERATING QUIESCENT CURRENT vs
SLOW START CHARGE CURRENT vs
INPUT VOLTAGE
TEMPERATURE
Figure 9.
Figure 10.
(SS/TR - VSENSE) OFFSET vs TEMPERATURE
PWRGD THRESHOLD vs TEMPERATURE
Figure 11.
Figure 12.
8
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s) :TPS54320
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