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參數(shù)資料
| 型號(hào)： | TPS54373PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | GREEN, PLASTIC, HTSSOP-20 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 607K |
| 代理商： | TPS54373PWP |
TPS54373
SLVS455B JANUARY 2003 REVISED FEBRUARY 2005
www.ti.com
11
PERFORMANCE GRAPHS
Data shown is for the circuit in Figure 10 with precharge disabled (D1 and D2 removed) except for slow-start timing
of Figure 19. All data is for VI = 3.3 V, VO = 2.5 V, fs = 700 kHz and TA = 25°C, unless otherwise specified.
Figure 12
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1
1.5
2
2.5
3
3.5
VI = 5 V, VO = 2.5 V
Efficiency
%
EFFICIENCY
vs
OUTPUT CURRENT
IO Output Current A
VI = 3.3 V, VO = 2.5 V
Figure 13
1.77
1.78
1.79
1.8
1.81
1.82
1.83
0
0.5
1
1.5
2
2.5
3
3.5
Output
V
o
lt
ag
e
V
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
IO Output Current A
V O
VI = 5 V
VI = 3.3 V
Figure 14
3
3.5
4
4.5
5
5.5
6
IO = 3 A
VI Input Voltage V
Output
V
o
lt
ag
e
V
OUTPUT VOLTAGE
vs
INPUT VOLTAGE
V O
1.77
1.78
1.79
1.8
1.81
1.82
1.83
IO = 1.5 A
IO = 0 A
Figure 15
40
0
10
40
60
100
1 k
10 k
100 k
1 M
120
60
30
120
180
f Frequency Hz
Gain
dB
LOOP RESPONSE
Phase
Degrees
30
20
10
20
30
50
150
60
90
0
30
90
Phase
Gain
Figure 16
25
35
45
55
65
75
85
95
105
115
125
01
23
4
Ambient
Temperature
AMBIENT TEMPERATURE
vs
LOAD CURRENT
IL Load Current A
C°
T
A
Safe Operating Area(1)
VI = 3.3 V
VI = 5 V
Figure 17
Time 1 s/div
OUTPUT RIPPLE VOLTAGE
Output
Ripple
V
oltage
10
mV/div
(1) Safe operating area is applicable to the test board conditions in the Dissipation Ratings
Figure 18
1.0 s/div
20
mV/div
LOAD TRANSIENT RESPONSE
1A/div
I = 0.75 A to 2.25 A
Figure 19
5.0 ms/div
1V/div
SLOW-START TIMING
VO = 1.8 V
VI = 3.3 V
RL = 1
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| TPS54373PWPRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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| TPS54377RHF | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT⑩ CONVERTER WITH DISABLED SINKING DURING START-UP |
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