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參數(shù)資料
| 型號： | TPS54310MPWPREP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 775 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | PLASTIC, HTSSOP-20 |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 487K |
| 代理商： | TPS54310MPWPREP |
RECOMMENDED OPERATING CONDITIONS
PACKAGE DISSIPATION RATINGS
(1) (2)
ELECTRICAL CHARACTERISTICS
www.ti.com ..................................................................................................................................................................................................... SLVS818 – APRIL 2008
MIN
MAX
UNIT
VI
Input voltage
3
6
V
TJ
Operating virtual-junction temperature
–55
125
°C
THERMAL IMPEDANCE
TA = 25°C
TA = 70°C
TA = 85°C
PACKAGE
JUNCTION-TO-AMBIENT
POWER RATING
20-Pin PWP with solder
26
°C/W
3.85 W(3)
2.12 W
1.54 W
20-Pin PWP without solder
57.5
°C/W
1.73 W
0.96 W
0.69 W
(1)
For more information on the PWP package, refer to TI technical brief, literature number SLMA002.
(2)
Test board conditions:
a. 3 inch
× 3 inch, 2 layers, Thickness: 0.062 inch
b. 1.5 oz copper traces located on the top of the PCB
c. 1.5 oz copper ground plane on the bottom of the PCB
d. Ten thermal vias (see recommended land pattern in application section of this data sheet)
(3)
Maximum power dissipation may be limited by overcurrent protection.
TJ = –55°C to 125°C, VIN = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE, VIN
VIN input voltage range
3
6
V
fs = 350 kHz, SYNC = 0.8 V, RT open
6.2
9.6
Quiescent current
fs = 550 kHz, SYNC ≥ 2.5 V, RT open, phase pin open
8.4
12.8
mA
Shutdown, SS/ENA = 0 V
1
1.4
UNDERVOLTAGE LOCKOUT
Start threshold voltage, UVLO
2.95
3
V
Stop threshold voltage, UVLO
2.70
2.80
Hysteresis voltage, UVLO
0.10
0.16
V
Rising and falling edge deglitch, UVLO(1)
2.5
s
BIAS VOLTAGE
Output voltage, VBIAS
I(VBIAS) = 0
2.70
2.80
2.95
V
VO
Output current, VBIAS(2)
100
A
CUMULATIVE REFERENCE
Vref
Accuracy
0.880
0.891
0.900
V
REGULATION
IL = 1.5 A, fs = 350 kHz, TJ = 85°C
0.07
Line regulation(1) (3)
%/V
IL = 1.5 A, fs = 550 kHz, TJ = 85°C
0.07
IL = 0 A to 3 A, fs = 350 kHz, TJ = 85°C
0.03
Load regulation(1) (3)
%/A
IL = 0 A to 3 A, fs = 550 kHz, TJ = 85°C
0.03
(1)
Specified by design
(2)
Static resistive loads only
(3)
Specified by the circuit used in Figure 10.
Copyright 2008, Texas Instruments Incorporated
3
Product Folder Link(s): TPS54310-EP
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| TPS54310PWP | 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 |
| TPS54310PWP | 制造商:Texas Instruments 功能描述:BUCK PWM REG FET 3A SMD 54310 |
| TPS54310PWPG4 | 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 |
| TPS54310PWP-P | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| TPS54310PWPR | 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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