MAX16928CGUP/V+T Maxim Integrated, MAX16928CGUP/V+T Datasheet - Page 3

• Manufacturer Part Number: MAX16928CGUP/V+T
• Description: LCD Drivers Automotive TFT Power Supply
• Manufacturer: Maxim Integrated

Specifications of MAX16928CGUP/V+T

• Rohs: yes

ELECTRICAL CHARACTERISTICS (continued)
(V
Maxim Integrated
BOOST CONVERTER
Switching Frequency
Maximum Duty Cycle
LXP Current Limit
LXP On-Resistance
LXP Leakage Current
Soft-Start Time
Output Voltage Range
FBP Regulation Voltage
PGOOD Threshold
FBP Load Regulation
FBP Line Regulation
FBP Input Bias Current
FBP to COMPV
Transconductance
POSITIVE-GATE VOLTAGE REGULATOR (GH)
Output Voltage Range
CP Overvoltage Threshold
FBGH Regulation Voltage
PGOOD Threshold
FBGH Load Regulation
FBGH Line Regulation
FBGH Input Bias Current
GH Output Current
GH Current Limit
GH Soft-Start Time
NEGATIVE-GATE VOLTAGE REGULATOR (GL)
Output Voltage Range
FBGL Regulation Voltage
PGOOD Threshold
INA
= 5V, V
PARAMETER
Automotive TFT-LCD Power Supply with Boost
GND
= V
PGNDP
= 0V, T
Converter and Gate Voltage Regulators
R
A
V
V
DS_ON(LXP)
SYMBOL
V
PG_FBGH
I
I
PG_FBGL
= T
V
LIM_GH
V
LK_LXP
V
PG_FBP
V
V
V
FBGH
DRVN
I
FBGL
f
I
LIM
SW
FBP
GH
GH
SH
J
= -40NC to +105NC, typical values are at T
Duty cycle = 70%,
C
I
V
(Note 3)
V
0 < I
Measured at FBP
0 < I
V
V
DI = Q2.5FA at COMPV, T
With external charge pump, T
(maximum V
T
I
Measured at FBGH
I
V
I
V
V
I
Measured at FBGL
LXP
GH
GH
GH
DRVN
A
LXP
INA
INA
FBP
CP
FBGH
CP
COMPI
= +25NC (Note 4)
= 1mA
= 0 to 20mA
= 10mA
= 200mA
LOAD
LOAD
= 12V to 20V at V
- V
= +3V to +5.5V,
= +3V to +5.5V
= 20V, T
= +1V, T
= 100FA
= 1V, T
GH
= 220pF
< full load
< full load
= 2V
CP
A
A
CONDITIONS
A
= 29.5V)
=+25NC
= +25NC
= +25NC
GH
Low boost current-
limit option
High boost current-
limit option
T
T
+105NC
A
A
A
= 10V,
= +25NC
= -40NC to
= +25NC
A
= +25NC
A
= +25NC unless otherwise noted.) (Note 2)
0.625
0.985
0.212
V
1.98
1.25
0.98
0.74
29.5
0.96
0.83
0.38
MIN
-24
82
20
35
INA
5
MAX16928
0.242
TYP
2.20
0.78
1.56
0.85
30.5
0.85
7.45
110
400
8.5
1.0
1.0
0.1
1.0
0.4
30
56
-1
2
2
1.015
1.034
0.271
MAX
2.42
93.5
1.87
1.02
0.96
0.87
0.42
250
Q1
Q1
20
18
29
-2
UNITS
MHz
%/V
mI
mA
mA
ms
ms
FA
FA
FS
FA
%
%
%
%
A
V
V
V
V
V
V
V
V
V
V
3