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參數(shù)資料
| 型號： | TPS54313MPWPREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 6.5 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | GREEN, PLASTIC, HTSSOP-20 |
| 文件頁數(shù)： | 2/21頁 |
| 文件大?。?/td> | 614K |
| 代理商： | TPS54313MPWPREP |
www.ti.com
PERFORMANCE GRAPHS
30
15
0
30
45
60
100
1 k
10 k
100 k
1 M
90
45
0
45
90
180
f Frequency Hz
Gain
dB
LOOP RESPONSE
Phase
Degrees
Gain
Phase
15
135
50
60
70
80
90
100
0
1
2
3
4
5
Load Current A
Efficiency
%
EFFICIENCY
vs
LOAD CURRENT
3.3 VI
5 VI
Efficiency at 700 kHz
1.7
1.75
1.8
1.85
1.9
0
1
2
3
4
5
IL Load Current A
Output
V
oltage
%
OUTPUT VOLTAGE
vs
LOAD CURRENT
V
O
3.3 VI
5 VI
VI 2 V/div
VO 2 V/div
VPWRGD 5 V/div
START-UP WAVEFORMS
Start
Up
W
aveforms
V
Time 2 ms/div
VO (AC)
10 mV/div
VI = 5 V
IO = 3 A
400 ns/div
OUTPUT RIPPLE VOLTAGE
Time 100
s/div
Amplitude
10
mV/div
VO 50 mV/div
LOAD TRANSIENT RESPONSE
IO 2 A/div
Load
T
ransient
Response
mV
Time 10
s/div
75
55
35
0
1
2
Ambient
T
emperature
85
95
AMBIENT TEMPERATURE
vs
LOAD CURRENT
125
3
4
115
45
25
65
105
C°
T
A
IL Load Current A
Safe Operating Area
Safe operating area is applicable to the test
board conditions listed in the Dissipation Rating
Table section of this data sheet.
DETAILED DESCRIPTION
Under Voltage Lock Out (UVLO)
SGLS376A – FEBRUARY 2007 – REVISED MARCH 2007
Figure 12.
Figure 13.
Figure 14.
Figure 15.
Figure 16.
Figure 17.
Figure 18.
The TPS54311-16 incorporates an under voltage lockout circuit to keep the device disabled when the input
voltage (VIN) is insufficient. During power up, internal circuits are held inactive until VIN exceeds the nominal
UVLO threshold voltage of 2.95 V. Once the UVLO start threshold is reached, device start-up begins. The
device operates until VIN falls below the nominal UVLO stop threshold of 2.8 V. Hysteresis in the UVLO
comparator, and a 2.5-
s rising and falling edge deglitch circuit reduce the likelihood of shutting the device down
due to noise on VIN.
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS54313PWP | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage 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 |
| TPS54313PWP | 制造商:Texas Instruments 功能描述:DSP CONTROLLER 制造商:Texas Instruments 功能描述:IC, SYNC BUCK PWM SWITCHER, 20-HTSSOP |
| TPS54313PWPG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage 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 |
| TPS54313PWPR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage 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 |
| TPS54313PWPRG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage 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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