MAX5080ATE Просмотр технического описания (PDF) - Maxim Integrated
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MAX5080ATE Datasheet PDF : 19 Pages
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1A, 40V, MAXPower Step-Down
DC-DC Converters
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VON/OFF = 12V, VREG = VDVREG, VSYNC = PGND = SGND, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values
are at TA= + 25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
THERMAL SHUTDOWN
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Temperature rising
+160
°C
20
°C
Note 1: 100% production tested at TA = +25°C and TA = TJ = +125°C. Limits at -40°C are guaranteed by design.
Typical Operating Characteristics
(VIN = 12V, see Figure 5 (MAX5080) and Figure 6 (MAX5081), TA = +25°C, unless otherwise noted.)
UNDERVOLTAGE LOCKOUT HYSTERESIS
vs. TEMPERATURE (MAX5080)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5080)
250
225 TA = +135°C
TA = +85°C
200
175
150
125
TA = +25°C TA = -40°C
100
75
50
25 VON/OFF = 0V
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
UNDERVOLTAGE LOCKOUT HYSTERESIS
vs. TEMPERATURE (MAX5081)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5081)
300
275
TA = +135°C
250
TA = +85°C
225
200
175
150
125
100
TA = +25°C
TA = -40°C
75
50
25 VON/OFF = 0V
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
ON/OFF THRESHOLD HYSTERESIS
vs. TEMPERATURE
0.20
0.15
0.10
0.05
0
-40 -15 10 35 60 85 110 135
TEMPERATURE (°C )
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (MAX5080)
4.0
3.5
3.0
2.5
TA = +85°C
TA = +135°C
2.0
1.5
1.0
TA = +25°C TA = -40°C
0.5
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
4 _______________________________________________________________________________________
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