PS0100
ELECTRICAL CHARACTERISTICS (continued)
(All specifications are at TA = 25°C, VIN = 1.5V, VOUT = 3.3V, VSHUTB = 1.5V, unless otherwise specified.)
Parameter
Conditions
Min
0.95
Type
Max
Unit
V
V
nA
KHz
°C
SHUTB Input High
SHUTB Input Low
SHUTB Input Current
Frequency at Start-Up
Thermal Shutdown
0.35
100
650
145
15°C Hysteresis
Note 1: Minimum operating input voltage is fixed by the battery’s ability to provide necessary power at that
(terminal) voltage. Below this voltage, the battery fails to deliver required power as it enters into deeply
discharged state. This voltage can be lower if the required duty cycle is less.
Note 2: When the input voltage is greater than the output voltage regulation point, the part operates in track
mode (see Track Mode).
Note 3: For applications where VOUT > 4.3V, an external Schottky diode is recommended.
Note 4: Limits are 100% production tested at TA=25°C. Specifications over the -40°C to +85°C operating
temperature range are assured by design.
5
July 2007
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