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參數資料
| 型號： | TL1466IPMRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PQFP64 |
| 封裝： | GREEN, PLASTIC, LQFP-64 |
| 文件頁數： | 26/26頁 |
| 文件大小： | 538K |
| 代理商： | TL1466IPMRG4 |
TL1466I
HIGHSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 FEBRUARY 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Oscillator Triangle
Waveform (Note A)
Error Amplifier Output
(FEED BACK1, 4)
PWM Comparator
Output Voltage
Output Waveform
(OUTPUT1, 4)
Synchronous Rectification
Output Waveform
(MOS GATE1, 4) (Note B)
Output Regulation Voltage
Monitor Waveform
(COMP1, 4)
SCP Terminal Waveform
SCP Comparator Output
Power Supply Voltage
2.45 V TYP
1.5 V
tpe
1.35 V
0.65 V
H
L
H
L
H
L
Dead Time 100%
0 V
Vref
+0.7
1.5 V
H
L
VCC
0 V
Protection enable time, tpe = (588 × 103 × Cpe) in seconds
NOTES: A. The oscillator output of channel 1, 4, and 6 is reverse phase for channel 2, 3, and 5.
B. The ON (high-level output state) time for the synchronous rectification output (MOS GATE1, 4) is determined by the resistor value
connected to MOS DUTY terminal (pin 24) and this time is controlled internally without exceeding OFF (high-level output state) of
output (OUTPUT1,4).
Figure 1. Timing Diagram (channel 1, 4)
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