MAX8717 查看數據表（PDF） - Maxim Integrated
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产品描述 (功能)
生产厂家
MAX8717
Maxim Integrated
MAX8717 Datasheet PDF : 30 Pages
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Interleaved High-Efficiency, Dual Power-Supply
Controllers for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VIN = 12V, FSEL = REF, SKIP_ = 0, VON_ = VILIM_ = VCC = VDD = 5V, TA = 0°C to +85°C, unless otherwise noted.
Typical values are at TA = +25°C.)
PARAMETER
Input Leakage Current
Input Leakage Current
Input Leakage Current
Input Bias Current
SYMBOL
CONDITIONS
SKIP1, SKIP2, FSEL, 0V, or VCC
ILIM1, ILIM2, 0V, or VCC
CSH_, 0V, or VDD
CSL_, 0V, or VDD
MIN TYP MAX UNITS
-3
+3
µA
-0.1
+0.1
µA
-0.1
+0.1
µA
25
50
µA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = 12V, FSEL = REF, SKIP_ = 0, VON_ = VILIM_ = VCC = VDD = 5V, TA = -40°C to +85°C, unless otherwise
noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
INPUT SUPPLIES
Input Voltage Range
VIN
VBIAS
VCC, VDD
26
V
4.5
5.5
Quiescent Supply Current (VCC)
ICC
CSL_ and FB_ forced above their regulation
points
1.3
mA
Quiescent Supply Current (VDD)
Shutdown Supply Current (VCC)
Shutdown Supply Current (VDD)
MAIN SMPS CONTROLLERS
PWM1 Output Voltage in Fixed
Mode
PWM2 Output Voltage in Fixed
Mode
IDD
CSL_ and FB_ forced above their regulation
points
ON1 = ON2 = GND
ON1 = ON2 = GND
VOUT1
VOUT2
VIN = 6V to 26V, SKIP1 = VCC,
zero to full load (Note 1)
VIN = 6V to 26V, SKIP2 = VCC,
zero to full load (Note 1)
3.255
4.925
5
µA
5
µA
5
µA
3.375
V
5.105
V
Feedback Voltage in Adjustable
Mode
Output Voltage Adjust Range
FB1, FB2 Fixed-Mode Threshold
Voltage
Operating Frequency
Maximum Duty Factor
Minimum On-Time
CURRENT LIMIT
ILIM_ Adjustment Range
VFB_
VIN = 6V to 26V, FB1 or FB2,
duty factor = 20% to 80% (Note 1)
Either SMPS
Dual-mode comparator
fOSC
DMAX
tON(MIN)
FSEL = GND
FSEL = REF (Note 3)
FSEL = VCC
FSEL = GND
FSEL = REF (Note 3)
FSEL = VCC
(Note 4)
0.987
1.0
1.9
170
270
425
97.5
97.5
97.5
0.5
1.023
V
5.5
V
2.1
V
230
330
kHz
575
%
200
ns
VREF
V
_______________________________________________________________________________________ 5
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