Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX17117 User Manual
Page 4
Internal-Switch Boost Regulator with Integrated
7-Channel Scan Driver, Op Amp, and LDO
MAX17117
4 ______________________________________________________________________________________
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