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參數(shù)資料
| 型號(hào)： | TPS54610QPWPRG4Q1 |
| 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(yè)數(shù)： | 17/22頁(yè) |
| 文件大?。?/td> | 527K |
| 代理商： | TPS54610QPWPRG4Q1 |
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Electrical Characteristics
SLVS726 – JANUARY 2007
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
Input voltage range, VIN
3
6
V
fs = 350 kHz, SYNC ≤ 0.8 V, RT open,
11
15.8
PH pin open
IQ
Quiescent current
fs = 550 kHz, SYNC ≥ 2.5 V, RT open,
mA
16
23.5
PH pin open
Shutdown, SS/ENA = 0 V
1
1.4
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
2.95
V
Output current, VBIAS(2)
100
A
CUMULATIVE REFERENCE
Vref
Accuracy
0.882
0.891
0.900
V
REGULATION
IL = 3 A, fs = 350 kHz, TJ = 125°C
0.07
Line regulation(1)(2)(3)
%/V
IL = 3 A, fs = 550 kHz, TJ = 125°C
0.07
IL = 0 A to 6 A, fs = 350 kHz, TJ = 125°C
0.03
Load regulation(1)(3)
%/A
IL = 0 A to 6 A, fs = 550 kHz, TJ = 125°C
0.03
OSCILLATOR
SYNC
≤ 0.8 V, RT open
265
350
440
Internally set—free running frequency
kHz
SYNC
≥ 2.5 V, RT open
415
550
680
RT = 180 k
(1% resistor to AGND)(1)
252
280
308
Externally set—free running frequency range RT = 160 k
(1% resistor to AGND)
290
312
350
kHz
RT = 68 k
(1% resistor to AGND)(1)
663
700
762
High level threshold, SYNC(1)
2.5
V
Low level threshold, SYNC(1)
0.8
V
Pulse duration, external synchronization,
50
ns
SYNC(1)
Frequency range, SYNC(1)
330
700
kHz
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)
Specified by the circuit used in Figure 10
4
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