AIC1650 AIC [Analog Intergrations Corporation], AIC1650 Datasheet - Page 3

• Manufacturer Part Number: AIC1650
• Description: 3-Cell, High-Efficiency, Inverting DC/DC Converter
• Manufacturer: AIC [Analog Intergrations Corporation]

TYPICAL PERFORMANCE CHARACTERISTICS
BLOCK DIAGRAM
350
300
250
200
150
100
90
80
70
60
50
4
4
8
8
V
REF
Duty Cycle vs V
SHDN
VREF
VIN
FB
Source Current vs V
Ta=0°C
V
12
V
12
2
3
4
IN
1
IN
(V)
(V)
IN
Voltage
Ta=70°C
OSCILLATOR
IN
REFERENCE
16
16
VOLTAGE
1.22V
PFM
Ta=25°C
+
-
20
20
ERROR COMPARATOR
LATCH
CURRENT LIMIT
COMPARATOR
330
280
230
180
130
20
15
10
80
5
0
4
4
6
+
-
8
8
OUTPUT DRIVER
Shutdown Current vs V
70mV
Frequency vs V
10
V
IN
(Ta=25° ° ° ° C)
Ta=0°C
V
V
V
Ta=70°C
IN
IN
IN
12
12
(V)
(V)
IN
14
Voltage
8
7
6
5
IN
CL
GND
16
DHI
DLOW
16
Ta=25°C
AIC1650
18
20
20
3