AIC1577 AIC [Analog Intergrations Corporation], AIC1577 Datasheet - Page 5

• Manufacturer Part Number: AIC1577
• Description: External NMOS Step-Down PWM Controller
• Manufacturer: AIC [Analog Intergrations Corporation]

TYPICAL PERFORMANCE CHARACTERISTICS
100
900
800
700
600
500
40
20
95
90
85
80
75
70
0
7
6
5
4
3
2
1
0
0
0
0
VCC UP
Fig. 5 Supply Current vs Input Voltage
Fig. 3 Efficiency vs Input Voltage
5
Fig. 7 Boost Line Regulation
5
5
VCC DOWN
Shutdown
10
Input Voltage (V)
Input Voltage (V)
Input Voltage (V)
10
10
Normal Mode
15
15
15
V
OUT
20
20
I
V
20
=3.3V
BOOST
PHASE
I
A
LOAD
I
LOAD
25
=2mA
=0V
=0.1
25
25
=1A
30
30
30
100
0.805
0.804
0.803
0.802
0.801
0.800
0.799
0.798
0.797
0.796
0.795
0.794
0.793
0.792
0.791
0.790
95
90
85
80
75
70
7
6
5
4
3
2
1
0
0
0
-40
Fig. 8 Reference Voltage vs Temperature
-20
Fig. 4 Efficiency vs Input Voltage
Fig. 6 Boost Load Regulation
5
Boost Load Current (mA)
0
5
Temperature (°C)
Input Voltage (V)
10
20
(Continued)
40
10
15
60
20
V
80
V
I
I
PHASE
LOAD
LOAD
V
CC
15
OUT
V
=15V
100
CC
AIC1577
=1A
=0.1A
=5V
=0V
25
=5V
120
20
30
140
5