參數資料
型號： TPS54372PWP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 3 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
封裝： GREEN, PLASTIC, HTSSOP-20
文件頁數： 12/18頁
文件大?。?/td> 525K
代理商： TPS54372PWP
www.ti.com
DISSIPATION RATINGS
(1) (2)
ELECTRICAL CHARACTERISTICS
TPS54372
SLVS430D – JUNE 2002 – REVISED FEBRUARY 2005
THERMAL IMPEDANCE
TA = 25°C
TA = 70°C
TA = 85°C
PACKAGE
JUNCTION-TO-AMBIENT
POWER RATING
20-Pin PWP with solder
26.0
°C/W
3.85 W (3)
2.11 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, see TI technical brief, literature number SLMA002.
(2)
Test board conditions:
a. 3-inch x 3-inch, 4 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 applications section of this data sheet)
(3)
Maximum power dissipation may be limited by overcurrent protection.
T
J = –40°C to 125°C, VI = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
SUPPLY VOLTAGE, VIN
VIN
Input voltage range
3.0
6.0
V
fs = 350 kHz, RT open, PH pin open
6.2
9.60
I(Q)
Quiescent current
fs = 500 kHz, RT = 100 k, PH pin open
8.4
12.8
mA
Shutdown, ENA = 0 V
1
1.4
UNDERVOLTAGE LOCKOUT
Start threshold voltage, UVLO
2.95
3.0
V
Stop threshold voltage, UVLO
2.70
2.80
V
Hysteresis voltage, UVLO
0.14
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
2.90
V
Output current, VBIAS (2)
100
A
REGULATION
Line regulation(1)(3)
IL = 1.5 A, fs = 350 kHz, TJ = 85°C
0.07
%/V
Load regulation(1)(3)
IL = 0 A to 3 A, fs = 350 kHz, TJ = 85°C
0.03
%/A
OSCILLATOR
Internally set free-running frequency
RT open
280
350
420
kHz
RT = 180 k
(1% resistor to AGND)(1)
252
280
308
Externally set free-running frequency range
RT = 100 k
(1% resistor to AGND)
460
500
540
kHz
RT = 68 k
(1% resistor to AGND)(1)
663
700
762
Ramp valley(1)
0.75
V
Ramp amplitude (peak-to-peak)(1)
1
V
Minimum controllable on time(1)
200
ns
Maximum duty cycle(1)
90%
ERROR AMPLIFIER
Error amplifier open-loop voltage gain
1 k
COMP to AGND(1)
90
110
dB
Error amplifier unity gain bandwidth
Parallel 10 k
, 160 pF COMP to AGND(1)
3
5
MHz
Error amplifier common mode input voltage
Powered by internal LDO(1)
0
VBIAS
V
range
Input bias current, VSENSE
VSENSE = Vref
60
250
nA
Output voltage slew rate (symmetric),
1.0
1.4
V/s
COMP(1)
(1)
Specified by design
(2)
Static resistive loads only
(3)
Specified by the circuit used in Figure 8
3
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相關代理商/技術參數
參數描述
TPS54372PWP 制造商:Texas Instruments 功能描述:; Voltage Regulator Type:Synchronous Buc
TPS54372PWPG4 功能描述:直流/直流開關調節(jié)器 3-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54372PWPR 功能描述:直流/直流開關調節(jié)器 3-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54372PWPRG4 功能描述:直流/直流開關調節(jié)器 3-A Act Bus Term/DDR DC/DC Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54372QPWPRQ1 功能描述:直流/直流開關調節(jié)器 3A Output Tracking/ Term Sync PWM Sw RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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