參數(shù)資料
型號： TPS54614PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28
封裝： GREEN, PLASTIC, HTSSOP-28
文件頁數(shù)： 18/23頁
文件大?。?/td> 706K
代理商： TPS54614PWPRG4
TPS54611, TPS54612
TPS54613, TPS54614
TPS54615, TPS54616
SLVS400C AUGUST 2001 REVISED APRIL 2005
www.ti.com
4
ELECTRICAL CHARACTERISTICS
TJ = –40°C to 125°C, VI = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE, VIN
Input voltage range, VIN
3.0
6.0
V
fs = 350 kHz, FSEL ≤ 0.8 V, RT open, phase pin open
6.2
9.6
I(Q)
Quiescent current
fs = 550 kHz, FSEL ≤ 2.5 V, RT open, phase pin open
8.4
12.8
mA
I(Q)
Quiescent current
Shutdown, SS/ENA = 0 V
1
1.4
mA
UNDER VOLTAGE LOCK OUT
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
OUTPUT VOLTAGE
TPS54611
TJ = 25°C, VIN = 5 V
0.9
V
TPS54611
3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
2.0%
TPS54612
TJ = 25°C, VIN = 5 V
1.2
V
TPS54612
3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
2.0%
TPS54613
TJ = 25°C, VIN = 5 V
1.5
V
O t t
lta
TPS54613
3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
2.0%
VO
Output voltage
TPS54614
TJ = 25°C, VIN = 5 V
1.8
V
TPS54614
3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
3.0%
TPS54615
TJ = 25°C, VIN = 5 V
2.5
V
TPS54615
3 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
3.0%
TPS54616
TJ = 25°C, VIN = 5 V
3.3
V
TPS54616
4 V ≤ VIN ≤ 6 V, 0 ≤ IL ≤ 6 A, 40° ≤ TJ ≤ 125°C
3.0%
REGULATION
Line regulation(1) (3)
IL = 3 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C
0.088
%/V
Load regulation(1) (3)
IL = 0 A to 6 A, 350 ≤ fs ≤ 550 kHz, TJ = 85°C
0.0917
%/A
OSCILLATOR
Internally set free running frequency
FSEL ≤ 0.8 V, RT open
280
350
420
kHz
Internally set—free running frequency
FSEL ≥ 2.5 V, RT open
440
550
660
kHz
Et
ll
t f
i
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
frequency range
RT = 68 k (1% resistor to AGND)(1)
663
700
762
kHz
High level threshold, FSEL
2.5
V
Low level threshold, FSEL
0.8
V
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%
(1)Specified by design
(2)Static resistive loads only
(3)Tested using circuit in Figure 10.
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相關代理商/技術參數(shù)
參數(shù)描述
TPS54614-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs(SWIFT)
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TPS54615MPWPREP 功能描述:直流/直流開關調(diào)節(jié)器 Mil Enh 3V-6V 6A Out Synch-Buck 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(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54615PWP 功能描述:直流/直流開關調(diào)節(jié)器 Lo-In Vltg 6A Sync Sync Buck 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(shù)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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