MAX17480GTL 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17480GTL Datasheet PDF : 48 Pages
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AMD 2-/3-Output Mobile Serial
VID Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 2, VIN = 12V, VCC = VDD = VIN3 = SHDN = PGD_IN = 5V, VDDIO = 1.8V, OPTION = GNDS_ = AGND = PGND,
FBDC_ = FBAC_ = OUT3 = CSP_ = CSN_ = 1.2V, all DAC codes set to the 1.2V code, TA = -40°C to +105°C, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 5)
PARAMETER
Data Setup Time
SVC Low Period
SVC High Period
SVC/SVD Rise and Fall Time
INPUTS AND OUTPUTS
Logic-Input Levels
Input Logic Levels
PGD_IN Logic-Input Threshold
SYMBOL
tSU;DAT
tLOW
tHIGH
tR, tF
CONDITIONS
Measured from 10% to 90% of VDDIO
Input filters on SVD and SVC suppress
noise spike less than 50ns
MIN TYP MAX UNITS
10
ns
160
ns
60
ns
40
ns
SHDN, rising edge, hysteresis = 225mV
High, OPTION, ILIM3
3.3V, OPTION
2V, OPTION
Low, OPTION, ILIM3
PGD_IN, rising edge, hysteresis = 65mV
0.8
VCC -
0.4
2.75
1.65
0.3 x
VDDIO
2.0
V
3.85
V
2.35
0.4
0.7 x
VDDIO
V
Note 3: When the inductor is in continuous conduction, the output voltage has a DC regulation level lower than the error-comparator
threshold by 50% of the ripple. In discontinuous conduction, the output voltage has a DC regulation level higher than the
error-comparator threshold by 50% of the ripple. The core SMPSs have an integrator that corrects for this error. The NB
SMPS has an offset determined by the ILIM3 pin, and a -6.5mV/A load line.
Note 4: Production testing limitations due to package handling require relaxed maximum on-resistance specifications for the TQFN
package.
Note 5: Specifications to TA = -40°C to +105°C are guaranteed by design, not production tested.
tHD;STA
tR
tHIGH
SVC
tLOW
tF
SVD
VIH
VIL
tHD;DAT
tSU;DAT
Figure 1. Timing Definitions Used in the Electrical Characteristics
tSU;STO
tBUF
10 ______________________________________________________________________________________
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