MAX1562 Datasheet, PDF (4/12 Pages) Maxim Integrated Products – Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking

Programmable 4A USB Current-Limited
Switches with Autoreset and Fault Blanking
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = +5V, C_IN = 1µF, C_OUT = 4.7µF, T_A = -40°C to +85°C, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Turn-On Delay
t_ON
R_OUT = 2Ω, C_OUT = 4.7µF
(from ON to 10% of V_OUT)
0.5
4.0
ms
Turn-Off Delay
ON, ON, SEL Input High Level
ON, ON, SEL Input Low Level
ON, ON, SEL Input
Leakage Current
FAULT Output Low Voltage
FAULT Output
High Leakage Current
t_OFF
R_OUT = 2Ω, C_OUT = 4.7µF
(from ON to 90% of V_OUT)
V_IH V_IN = +4V to +5.5V
V_IL V_IN = +4V to +5.5V
V_OL I_SINK = 1mA, V_IN = +4V
V_IN = V _FAULT = +5.5V
3
ms
2
V
0.8
V
-1
+1
µA
0.4
V
1
µA
OUT Autoreset Current
OUT Autoreset Threshold
In latched-off state, V_OUT = 0
In latched-off state, OUT rising
10
45
mA
0.35
0.65
V
OUT Autoreset Blanking Time
In latched-off state, V_OUT > 0.5V
10
35
ms
Note 1: Short-circuit detect threshold is the output voltage at which the device transitions from short-circuit current limit to continuous
current limit.
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
Typical Operating Characteristics
(V_IN = +5V, C_IN = 1µF, C_OUT = 4.7µF, T_A = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
50
45
40
35
TEMP = -40°C
30
TEMP = +25°C
25
20
TEMP = +85°C
15
10
5
0
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
3.5
V_ON = 5V
TEMP = -40°C
3.0
2.5
2.0
TEMP = +25°C
1.5
TEMP = +85°C
1.0
0.5
0
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SWITCH-OFF LEAKAGE CURRENT
vs. TEMPERATURE
1000
100
10
1
0.1
0.01
0.001
-40 -15
10
35
60
85
TEMPERATURE (°C)
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