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参数资料
| 型号： | TPS54616QPWPRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 17/20页 |
| 文件大小： | 403K |
| 代理商： | TPS54616QPWPRQ1 |
TPS54611Q1,TPS54612Q1
TPS54613Q1,TPS54614Q1
TPS54615Q1,TPS54616Q1
SGLS266G OCTOBER 2004 REVISED JUNE 2008
www.ti.com
6
ELECTRICAL CHARACTERISTICS (CONTINUED)
TJ = –40°C to 125°C, VI = 3 V to 6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCILLATOR
Internally set—free running frequency
FSEL
≤ 0.8 V, RT open
265
350
440
kHz
Internally set—free running frequency
FSEL
≥ 2.5 V, RT open
415
550
680
kHz
Externally set—free running
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
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
Pulse duration, FSEL(1)
50
ns
Frequency range, FSEL(1) (4)
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) Tested using circuit in Figure 10.
(4) To ensure proper operation when RC filter is used between external clock and FSEL pin, the recommended values are R ≤ 1k and
C
≤ 68 pF.
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