Electrical characteristics (continued) – Rainbow Electronics MAX1673 User Manual
Page 3
V
FB
= -25mV
MAX1673
Regulated, 125mA-Output,
Charge-Pump DC-DC Inverter
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3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
SHDN
= +5V, C
IN
= 10µF, C
OUT
= 22µF, C
FLY
= 2.2µF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at
T
A
= +25°C.) (Note 2)
Note 2:
Specifications to -40°C are guaranteed by design, not production tested.
Logic Low Input
(SHDN, LIN/SKIP)
V
IL
0.3 x V
IN
V
2V
≤
V
IN
≤
5.5V
Logic High Input
(SHDN, LIN/SKIP)
V
IH
0.7 x V
IN
V
2V
≤
V
IN
≤
5.5V
FB Input Bias Current
I
FB
150
600
nA
LIN/SKIP = IN
(LIN mode)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
FB Threshold
V
FBT
-25
0
25
mV
Switching Frequency
(LIN Mode)
ƒ
OSC
250
350
460
kHz
CONDITIONS
Input Bias Current
(SHDN, LIN/SKIP)
LIN/SKIP = GND (Skip mode)
T
A
= +25°C
1
µA
1
100
LIN/SKIP = GND
(Skip mode)
V
FB
= -25mV
T
A
= -40°C to +85°C
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515