MAX8718ETA 查看數據表（PDF） - Maxim Integrated
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MAX8718ETA Datasheet PDF : 10 Pages
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High-Voltage, Low-Power Linear Regulators for
Notebook Computers
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1 VIN = 15V, IOUT = 5µA, TA = -40°C to +85°C, unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
Input Voltage Range
VIN
4
Supply Current (MAX8718)
Supply Current (MAX8719)
IIN
SHDN = IN, VIN = 6V to 28V
IIN
SHDN = IN, VIN = 6V to 28V
OUT Minimum Load Current
Shutdown Supply Current
SHDN = 0V
TYP MAX UNITS
28
V
25
µA
25
µA
5
µA
3
µA
OUT Output Voltage (MAX8718)
VIN = 6V to 28V, ILOAD = 5µA to 100mA,
5/3 = GND
VIN = 6V to 28V, ILOAD = 5µA to 100mA,
5/3 = OUT
3.10
4.72
3.48
V
5.25
FB Threshold (MAX8719)
FB Input Current (MAX8719)
5/3 Input Current (MAX8718)
Dropout Voltage
Output Current Limit
Capacitive Load Requirements
FB = OUT, VIN = 6V to 28V, ILOAD = 1mA
VFB
FB = OUT, VIN = 6V to 28V,
ILOAD = 5µA to 100mA (Note 2)
IFB
VFB = 1.3V
I5/3
V5/3 = 5V
VDROPOUT ILOAD = 100mA (Note 3)
ILIM
VOUT = 0, VIN = 6V
MAX8718
MAX8719
1.215
1.18
-40
-30
125
0.16
0.23
1.265
V
1.28
+40
nA
+30
nA
560
mV
375
mA
µF/mA
Startup Time Response
Rising edge of IN or SHDN to OUT within
spec limits, COUT = 10µF, RLOAD = 500Ω,
VOUT = 5V
1
ms
VCC Threshold (MAX8718)
-40°C < TA < +85°C, rising edge only
0.85 ×
VOUT
0.95 ×
V
VOUT
VCC Threshold (MAX8719)
-40°C < TA < +85°C, rising edge only
0.85 ×
VFB
0.95 ×
V
VFB
PGOOD Active-Timeout Period
100
300
ms
PGOOD Output Low Voltage
SHDN Input Low Voltage
SHDN Input High Voltage
ISINK = 1.6mA, VCC = GND
0.3
V
0.25
V
1.4
V
SHDN Input Bias Current
VSHDN = 0 or 15V, TA = -40°C to +85°C
-1
+1
µA
Note 1: Limits are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed through cor-
relation using standard quality control (SQC) methods.
Note 2: Pulse test at VIN = 28V, IOUT = 100mA to avoid exceeding package power-dissipation limits.
Note 3: Dropout voltage is tested by reducing the input voltage until VOUT drops to 100mV below its nominal value as measured
with VIN starting 2V above VOUT.
Note 4: Specifications to -40°C are guaranteed by design, not production tested.
4 _______________________________________________________________________________________
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