COMS Voltage Converters
Absolute Maximum Ratings
Supply Voltage
ICL7660
. . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +10.5V
LV and OSC Input Voltage . . . . . . -0.3V to (V+ +0.3V) for V+ < 5.5V
(V+ -5.5V) to (V+ +0.3V) for V+ > 5.5V
Current into LV . . . . . . . . . . . . . . . . . . . . . . . . . . 20 A for V+ > 3.5V
Temperature Range
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Thermal Resistance,
JA
(°C/W). . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Maximum Storage Temperature Range. . . . . . . . . . . . -65°C to 150°C
ICL7660
Electrical Characteristics
( V+ = 5V, T
A
= 25°C, C
OSC
= 0, unless otherwise specified)
PARAMETER
Supply Current
Supply Voltage Range - Lo
Supply Voltage Range - Hi
SYMBOL
I+
VL+
VL+
TEST CONDITIONS
R
L
=
MIN T
A
MAX, R
L
= 10k ,
LV to GND
MIN T
A
MAX, R
L
= 10k ,
LV to Open
I
OUT
= 20mA, T
A
= 25°C
I
OUT
= 20mA, 0°C T
A
70°C
V+ = 2V, I
OUT
= 3mA,
LV to GND, 0°C T
A
70°C
R
L
= 5k
R
L
=
V+ = 2V
V+ = 5V
MIN
-
1.5
3.0
-
-
-
-
95
97
-
-
TYP
170
-
-
55
-
-
10
98
99.9
1.0
100
MAX
500
3.5
10.0
100
120
300
-
-
-
-
-
kHz
%
%
M
k
UNITS
A
V
V
Output Source Resistans
R
OUT
Oscillator Frequency
Power Efficiency
Voltage Conversion
Efficiency
Oscillator Frequency
f
OSC
P
EF
V
OUT EF
Z
OSC
2
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