AIC1571 AIC [Analog Intergrations Corporation], AIC1571 Datasheet - Page 5

• Manufacturer Part Number: AIC1571
• Description: 5-bit DAC, Synchronous PWM Power Regulator with Dual Linear Controllers
• Manufacturer: AIC [Analog Intergrations Corporation]

TYPICAL PERFORMANCE CHARACTERISTICS
FIG.4-1 Circuit 1---Soft Start Interval with 3 Outputs
and PGOOD
60
50
40
30
20
10
0
100
FIG. 2 Bias Supply Current VS. Frequency
C
V
CC
UGATE
=12V
V
OUT1
=C
150
PGOOD (5V/div)
LGATE
(1V/div)
Switching Frequency (KHz)
=C
200
GATE
L
GATE
250
C
U
GATE
300
GATE
V
C
V
GATE
=2000pF
OUT2
OUT3
C
SS (2V/div)
GATE
=5000pF
(1V/div)
350
(1V/div)
=660pF
FIG.1 The gate drive waveforms
400
10000
1000
100
FIG.4-2 Circuit 2---Soft Start Interval with 3
10
1
100
R
FIG. 3 R
T
L
Pull Up to +12V
SS (2V/div)
U
GATE
150
GATE
V
Outputs and PGOOD
OUT2
T
200
Switching Frequency (KHz)
Resistance VS. Frequency
(1V/div)
250
300
R
PGOOD (5V/div)
T
V
Pull Down to GND
OUT1
SS (2V/div)
PGOOD (5V/div)
350
V
SS (2V/div)
OUT1
V
V
(1V/div)
OUT3
OUT3
AIC1571
(1V/div)
400
450
5