AIC1579 AIC [Analog Intergrations Corporation], AIC1579 Datasheet - Page 4

• Manufacturer Part Number: AIC1579
• Description: Step-Down Switching Regulator Controller
• Manufacturer: AIC [Analog Intergrations Corporation]

100
90
80
70
60
50
40
30
VCC Supply Current
Nominal Supply
Power-On Reset
V
Oscillator
Frequency
Max. Duty Cycle
Internal Reference Voltage
Reference Voltage
Error Amplifier
DC Gain
Gain-Bandwidth Product
Slew Rate
Gate Driver
Upper Gate Source
Upper Gate Sink
Protection
OCSET Current Source
SS Current
ELECTRICAL CHARACTERISTICS
specified.)
TYPICAL PERFORMANCE CHARACTERISTICS
CC
Threshold
1
2
PARAMETER
Efficiency vs. Load Current
3
4
I
OUT
5
(A)
6
Vo=1.3V
7
Vo=3.5V
8
Vo=2.0V
UGATE Open
V
AIC1579
AIC1579L
V
9
OCSET
OCSET
TEST CONDITIONS
10
=4.5V
=4.5VDC
11
(VCC= 12V, Ta=25° ° ° ° C, unless otherwise
200
198
196
194
192
-40
SYMBOL
R
R
GBW
I
I
OCSET
VCC
-20
SR
UGATE
UGATE
I
SS
OCSET Current vs. Temperature
0
Tc=134ppm/ C@ 0~100°C
MIN.
1.96
1.27
160
170
20
Temperature (°C)
40
TYP.
2.00
1.30
200
200
2.3
5.5
60
76
11
10
6
8
80
AIC1579/L
MAX.
10.4
2.04
1.33
240
100
230
100
12
10
120
UNIT
KHz
V/µS
MHz
mA
%
dB
µA
µA
V
Ω
Ω
140
V
160
4