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參數(shù)資料
| 型號： | TPS54973PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 16 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | GREEN, PLASTIC, HTSSOP-28 |
| 文件頁數(shù)： | 20/22頁 |
| 文件大?。?/td> | 604K |
| 代理商： | TPS54973PWP |
TPS54973
SLVS453A FEBRUARY 2003 REVISED FEBRUARY 2005
www.ti.com
7
TYPICAL CHARACTERISTICS
Figure 1
0
5
10
15
20
25
40
0
25
85
125
VIN = 3.0 V
IO = 9 A
Drain
Source
On-State
Reststance
m
DRAIN-SOURCE
ON-STATE RESISTANCE
vs
JUNCTION TEMPERATURE
TJ Junction Temperature °C
Figure 2
250
350
450
550
650
750
40
0
25
85
125
TJ Junction Temperature °C
f
Internally
Set
Oscillator
Frequency
kHz
INTERNALLY SET
OSCILLATOR FREQUENCY
vs
JUNCTION TEMPERATURE
SYNC ≥ 2.5 V
SYNC ≤ 0.8 V
Figure 3
200
300
400
500
600
700
800
40
0
25
85
125
TJ Junction Temperature °C
f
Externally
Set
Oscillator
Frequency
kHz
EXTERNALLY SET
OSCILLATOR FREQUENCY
vs
JUNCTION TEMPERATURE
RT = 68 k
RT = 100 k
RT = 180 k
Figure 4
0.885
0.887
0.889
0.891
0.893
0.895
40
0
25
85
125
TJ Junction Temperature °C
V
oltage
Reference
V
VOLTAGE REFERENCE
vs
JUNCTION TEMPERATURE
V
ref
Figure 5
IL Load Current A
Device
Power
Losses
W
DEVICE POWER LOSSES
vs
LOAD CURRENT
0
1
2
3
4
5
6
7
8
0
2
4
6
8
10121416
VI = 3.3 V
TJ = 125°C
Figure 6
0.885
0.887
0.889
0.891
0.893
0.895
3
3.1
3.2
3.3
3.4
3.5
3.6
VI Input Voltage V
OUTPUT VOLTAGE REGULATION
vs
INPUT VOLTAGE
Output
V
oltage
Regulation
V
O
Figure 7
20
0
20
40
60
80
100
120
140
1
100
1 k
1 M
200
180
160
140
120
100
80
60
40
20
0
10
10 k 100 k
10 M
f Frequency Hz
Gain
dB
ERROR AMPLIFIER
OPEN LOOP RESPONSE
Phase
Degrees
Phase
Gain
RL = 10 k,
CL = 160 pF,
TA = 25°C
Figure 8
2.75
2.90
3.05
3.20
3.35
3.50
3.65
40
0
25
85
125
TJ Junction Temperature °C
Internal
Slow-Start
Time
ms
INTERNAL SLOW-START TIME
vs
JUNCTION TEMPERATURE
3.80
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| TPS54973PWPG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V Inp 9A 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 |
| TPS54973PWPR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V Inp 9A 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 |
| TPS54973PWPRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3.3V Inp 9A 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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| TPS54974PWP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dl Inp Bus 3.3 2.5V 9A Output Synch Buck 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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