Rainbow Electronics MAX1538 - Manual (Page 3)

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 CONDITIONS MIN TYP MAX UNITS
LINEAR REGULATOR
V DD Output Voltage I VDD = 0 to 100µA 3.270 3.3 3.330 V
V BATA or V BATB = 5V to 19V, V ADPIN = 5V 1.0
V BATA = V BATB = 5V, V ADPIN = 5V to 28V 1.0 V DD Power-Supply Rejection
Ratio
V BATA , V BATB , or V ADPIN = 5V to 19V, sawtooth at
10V/µs, other supplies = 12V
1
mV / V
V DD Undervoltage Lockout Rising edge, relative to regulation point -55 -10 mV
COMPARATORS
ACDET, AIRDET Input Voltage
Range
0 5.5 V
ACDET, AIRDET Input Bias
Current
V AIRDET = V ACDET = 3V 0.1 1 µA
ACDET, AIRDET Trip Threshold Input falling 1.97 2.0 2.03 V
ACDET, AIRDET Hysteresis 20 mV
MINV_ Operating Voltage Range 0.93 2.60 V
MINV_ Input Bias Current V MINV_ = 0.93V to 2.6V -50 +50 nA
V MINV_ = 0.93V 4.605 4.65 4.695
V MINV_ = 1.5V 7.455 7.5 7.545
BAT_ Minimum Voltage Trip
Threshold
V BAT_ falling
V MINV_ = 2.6V 12.93 13 13.07
V
BAT_ Minimum Voltage
Hysteresis
125 mV
BAT_ Pack Removal Detection
Threshold
V BAT_ falling 1.90 2.0 2.10 V
BAT_ Pack Removal Hysteresis 85 mV
GATE DRIVERS (Note 1)
V SOURCE = 15V, V PIN = 7.5V 18 60
ADPPWR, REVBLK, ADPBLK,
DISBAT, DISA, DISB, CHGA,
CHGB Source Current (PMOS
Turn-Off)
V SOURCE = 15V, V PIN = 13V 3 15
mA
V SOURCE = 15V, V PIN = 15V 20 70
ADPPWR, REVBLK, ADPBLK,
DISBAT, DISA, DISB, CHGA,
CHGB Sink Current (PMOS
Turn-On)
V SOURCE = 15V, V PIN = 9.5V 10 55
mA
V SOURCE = 8V to 19V (ADPPWR, REVBLK, and AOPBLK,
V SOURCE = 8V to 28V)
-11.0 -9.0 -7.0
ADPPWR, REVBLK, ADPBLK,
DISBAT, DISA, DISB, CHGA,
CHGB Turn-On Clamp Voltage
(V
PIN to V SOURCE )
V SOURCE = 4.75V to 8V -8.00 -3.65
V