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參數(shù)資料
| 型號(hào)： | TPS54073PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數(shù)： | 7/26頁 |
| 文件大小： | 850K |
| 代理商： | TPS54073PWP |
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PERFORMANCE GRAPHS
10
1M
Gain
-60
60
Phase-
o
-180
180
-50
-40
-30
-20
-10
0
10
20
30
40
50
-150
-120
-90
-60
-30
0
30
60
90
120
150
100
1k
10k
100k
Phase
Gain
f-Frequency-Hz
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
2
4
6
8
10
12
14
I-OutputCurrent- A
O
OutputV
olt
ageV
ariation-%
-0.3
-0.25
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0.25
0.3
2.2 2.4 2.6
2.8
3
3.2 3.4
3.6 3.8
4
IO =0 A
IO =7 A
IO =14 A
OutputV
olt
ageV
ariation-%
VO -OutputVoltage-V
t-Time=500ns/div
V
(RIPPLE)=10mV/div(accoupled)
O
I
=14 A
O
V
=2V/div
(PH)
t-Time=500ns/div
PVIN(RIPPLE)=100mV/div
(accoupled)
I
=14 A
O
V
=2V/div
(PH)
50
55
60
65
70
75
80
85
90
95
0
2
4
6
8
10
12
14
16
Efficiency-%
I-OutputCurrent- A
O
t- Time =500nsec/div
V
=1V/div
(PH)
I =500mA/div(accoupled)
O
t-Time=250 s/div
m
V (RIPPLE)=50mV/div(accoupled)
O
I
=5 A/div
O
t-Time=5ms/div
V(SS/ENA)=500mV/div
V
=500mV/div
O
www.ti.com ............................................................................................................................................................................................ SLVS547 – FEBRUARY 2005
The performance data for Figure 14 through Figure 22 are for the circuit in Figure 12. Conditions are PVIN = 2.5
V, VIN = 3.3 V, VO = 1.5 V, fs = 700 kHz, and IO = 7 A, TA = 25°C, unless otherwise specified.
MEASURED LOOP RESPONSE
LOAD REGULATION
LINE REGULATION
vs
FREQUENCY
OUTPUT CURRENT
INPUT VOLTAGE
Figure 14.
Figure 15.
Figure 16.
EFFICIENCY
vs
OUTPUT CURRENT
INPUT RIPPLE VOLTAGE
OUTPUT VOLTAGE RIPPLE
Figure 17.
Figure 18.
Figure 19.
START-UP WAVEFORM
OUTPUT INDUCTOR
LOAD TRANSIENT RESPONSE
WITH PRECHARGE
RIPPLE CURRENT
Figure 20.
Figure 21.
Figure 22.
Copyright 2005, Texas Instruments Incorporated
15
Product Folder Link(s): TPS54073
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| TPS54073PWPG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.2V-4.0V 14A 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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| TPS54073PWPRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2.2V-4.0V 14A 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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| TPS5410D | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.5V to 36V Input 1A Step Down Conv 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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