Rainbow Electronics MAX1673 - Manual (Page 3)

V FB = -25mV
MAX1673
Regulated, 125mA-Output,
Charge-Pump DC-DC Inverter
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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 205 515