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
文件頁數(shù): 37/39頁
文件大?。?/td> 1358K
代理商: TPS54320RHL
40
50
60
70
80
90
R
-OnResistance-m
D
S(on)
W
V =12V
I
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
35
45
55
65
75
R
-OnResistance-m
D
S(on)
W
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V
I
0.795
0.797
0.799
0.801
0.803
0.805
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V
-V
oltageReference-V
ref
470
475
480
485
490
495
500
F
-OscillatorFrequency-kHz
sw
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
RT =100kW
0
1
2
3
4
3
6
9
12
15
18
V -InputVoltage-V
I
-ShutdownQuiescentCurrent-
A
sd
m
T =150°C
J
T =25°C
J
T =-40°C
J
EN=0V
3.3
3.35
3.4
3.45
3.5
3.55
3.6
ENHysterisisCurrent-
A
m
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
V =12V,
EN=1.3V
I
www.ti.com
SLVS982A – AUGUST 2010 – REVISED SEPTEMBER 2010
TYPICAL CHARACTERISTICS
HIGH-SIDE Rdson vs TEMPERATURE
LOW-SIDE Rdson vs TEMPERATURE
Figure 1.
Figure 2.
VOLTAGE REFERENCE vs TEMPERATURE
OSCILLATOR FREQUENCY vs TEMPERATURE
Figure 3.
Figure 4.
SHUTDOWN QUIESCENT CURRENT vs
INPUT VOLTAGE
EN PIN hysteresis CURRENT vs TEMPERATURE
Figure 5.
Figure 6.
Copyright 2010, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS54320
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