MAX17117 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX17117
Maxim Integrated
MAX17117 Datasheet PDF : 22 Pages
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Internal-Switch Boost Regulator with Integrated
7-Channel Scan Driver, Op Amp, and LDO
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +3V, Circuit of Figure 1, VOPAS = +8.5V, VGHON = +24V, VVGL = -6.2V, VST = VCK_ = 0V, TA = 0NC to +85NC, unless otherwise
noted. Typical values are at TA = +25NC.)
PARAMETER
GATE-SHADING TIMING CONTROL
CONDITIONS
MIN TYP MAX UNITS
Gate-Shading Detection
Threshold
DTS falling
100 150
mV
Gate-Shading Detection Current
DTS Switch Resistance
DTS Rising Edge Threshold
DTS Falling Edge Threshold
LDO
LDOO Output Voltage Range
Dropout Voltage
LDOO Line Regulation
LDOO Load Regulation
LDOO Current Limit
LDOADJ Feedback Voltage
LDOADJ Input-Bias Current
DIGITAL INPUTS
VDTS = 0.5V
VDTS = 1.3V, IDTS = 1mA
VIN = 3.3V, VLDOADJ = 1.1V, ILDOO = 350mA
VIN = 2.8V to 5.5V, VLDOO = 2.5V, ILDOO = 100mA
VLDOO = 2.5V, ILDOO = 1mA to 300mA
VLDOADJ = 1.0V
VLDOADJ = 1.3V, TA = +25NC
ST, CK_ Input High Level
1.8V < VLDOO < 5.5V
ST, CK_ Input Low Level
1.8V < VLDOO < 5.5V
ENA Input Logic-High Level
ENA Input Logic-Low Level
ENA Resistor Range
1.8V < VLDOO < 3.0V
VLDOO > 3.0V
1.8V < VLDOO < 3.0V
VLDOO > 3.0V
5
10
15
µA
10
50
I
1.215 1.240 1.265
V
100 150
mV
1.8
VIN
V
300 500
mV
0.1
0.3
%/V
0.2
0.5
%/V
0.4 0.62 0.8
A
1.227 1.240 1.252
V
100 200
nA
0.7 x
VLDOO
0.7 x
VLDOO
2.1
0
V
0.3 x
VLDOO
V
V
V
0.3 x
VLDOO
V
0.8
V
200
kI
ELECTRICAL CHARACTERISTICS
(VIN = +3V, Circuit of Figure 1, VOPAS = +8.5V, VGHON = +24V, VVGL = -6.2V, VST = VCK_ = 0V, TA = -40NC to +85NC, unless oth-
erwise noted.)
PARAMETER
IN Input Voltage Range
IN Undervoltage-Lockout
Threshold
CONDITIONS
VIN rising, typical hysteresis = 150mV
MIN TYP MAX UNITS
2.3
5.5
V
1.80
2.20
V
IN Quiescent Current
IN Standby Current
GHON Standby Current
OPAS Standby Current
Thermal Shutdown
VFB = 1.3V, LX not switching
VFB = 1.2V, LX switching
VENA = VVGL = 0V, VIN = 5.5V, VGHON = 4V
VENA = VVGL = 0V, VIN = 5.5V, VGHON = 4V
VENA = VVGL = 0V, VIN = 5.5V, VGHON = 4V
Temperature rising
2.5
mA
5
2
mA
160
FA
50
FA
145
NC
4 _______________________________________________________________________________________
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