MAX1614
High-Side, n-Channel MOSFET
Switch Driver
ELECTRICAL CHARACTERISTICS
(V BATT = 15V, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
BATT Operating Range
BATT Shutdown Current
Quiescent Current
SYMBOL
I SHDN
I BATT +
I SAC
CONDITIONS
V GATE - V SRC > 3V, SRC = BATT
V BATT = 26V, ON = OFF = unconnected,
I GATE = 0A, device latched off, V LBI = 1.5V
V BATT = 26V, ON = OFF = unconnected,
I GATE = 0A, device latched on, V LBI = 1.5V
MIN
5.0
TYP
MAX
26
8
40
UNITS
V
μA
μA
INTERNAL CHARGE PUMP
GATE Drive Voltage
GATE Drive Output Current
V GS
Measured from GATE to SRC, V BATT = 15V,
I GATE = 0A
Measured from GATE to SRC, V BATT = 5.25V,
I GATE = 1.5μA, V SRC = 5.25V
V GATE = V SRC = 15V
6.5
3
15
9.0
60
V
μA
LOW-BATTERY COMPARATOR
LBI Trip Level
V TH
LBI input falling
1.176
1.20
1.224
V
Note 1: Specifications to T A = -40°C are guaranteed by design and not production tested.
__________________________________________Typical Operating Characteristics
(T A = +25°C, unless otherwise noted.)
ON SUPPLY CURRENT
vs. V BATT
OFF SUPPLY CURRENT
vs. V BATT
LOW-BATTERY THRESHOLD
vs. TEMPERATURE
22
20
18
16
T A = +85°C
T A = +25°C
4.0
3.5
3.0
T A = +85 ° C
T A = +25 ° C
T A = -40 ° C
1.30
1.28
1.26
1.24
V BATT = 15 V
V LBI RISING
14
T A = -40°C
2.5
12
10
8
6
2.0
1.5
1.0
1.22
1.20
1.18
1.16
V LBI FALLING
5
10
15
20
25
30
5
10
15
20
25
30
-40
-20
0
20
40
60
80
100
Maxim Integrated
VBATT (V)
VBATT (V)
TEMPERATURE ( ° C)
3
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