Rainbow Electronics MAX1538 - Manual (Page 4)

MAX1538
Power-Source Selector for
Dual-Battery Systems
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ELECTRICAL CHARACTERISTICS (continued)
(V BATA = V BATB = V CHGIN = 16.8V, C VDD = 1µF, V MINVA = V MINVB = 0.93V, V EXTLD = V ADPIN = 28V, V CHRG = V BATSEL = V RELRN = 0,
C ADPPWR = C REVBLK = C ADPBLK = C DISBAT = C DISA = C DISB = C CHGA = C CHGB = 4.7nF, TA = 0°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
ADPPWR, REVBLK, ADPBLK,
DISBAT, DISA, DISB, CHGA,
CHGB Turn-On Time
V SOURCE = 15V, V PIN = 13V to V PIN = 9V 0.3 0.88 µs
ADPPWR, REVBLK, ADPBLK,
DISBAT, DISA, DISB, CHGA,
CHGB Turn-Off Time
V
SOURCE
= 15V, V
PIN
= 9V to V
PIN
= 13V 0.3 0.88 µs
STATE SELECTION INPUTS
CHRG, BATSEL, RELRN Input
Low Voltage
0.8 V
CHRG, BATSEL, RELRN Input
High Voltage
2.1 V
CHRG, BATSEL, RELRN Input
Leakage Current
V CHRG = V BATSEL = V RELRN = 5.5V 0.1 1 µA
STATE OUTPUTS
V OUT_ = 0.4V 1
OUT0, OUT1, OUT2 Sink Current
V OUT_ = 5.5V 25
mA
OUT0, OUT1, OUT2 Leakage
Current
V OU T _ = 5.5V 0.1 1 µA
TRANSITION TIMES
MINV_ Comparator Delay t MINV V BAT _ = 5.5V to V BAT _ = 4.45V 5.5 11 µs
AIRDET and ACDET Comparator
Delay
t ADP Falling edge with -20mV overdrive 2.7 6.0 µs
BAT_ Removal Comparator Delay Falling edge with -20mV overdrive 10 µs
Battery-Insertion Blanking Time t BBLANK 13 21 31 ms
State-Machine Delay 50 ns
MOSFET Turn-On Delay t TRANS 5 7.5 10 µs