SC900
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise noted: VIN = 3.7V, EN = VIN, TA = -40 to 85°C. Typical values are at TA = +25°C.
Parameter
Symbol
Condition
A RESET
Reset Threshold
Reset Active Timeout Delay
LDO POWER GOOD
RESETTHLD
tRD
Delay in default state
PGOOD Threshold
PGOOD Active Timeout Delay
PGOODTHLD
tPG
Delay in default state
Notes:
(1) Digital outputs are powered from LDOB, so LDOB must be active for operation of LDOPGD and ARST.
(2) Below 2.5V: becomes digital regulator.
Min Typ Max Units
77
%
75 100 125 ms
77
%
75 100 125 ms
2005 Semtech Corp.
6
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