TL1466I Datasheet, PDF (9/24 Pages) Texas Instruments – HIGH-SPEED/PRECISION SIX CHANNEL SWITCHING REGULATOR CONTROLLER

TL1466I
HIGHĆSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 − FEBRUARY 2000
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
1.5 V
1.5 V
1.5 V
1.35 V
0.65 V
H
L
Dead Time 100%
H
L
H
L
0V
Vref
+0.7
1.5 V
tpe
H
SCP Comparator Output
L
Power Supply Voltage
2.45 V TYP
VCC
0V
† _{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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