Rainbow Electronics MAX17117 - Manual (Page 4)

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