MAX16928CGUP/V+T Maxim Integrated, MAX16928CGUP/V+T Datasheet - Page 5

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

Specifications of MAX16928CGUP/V+T

• Rohs: yes

(V
Maxim Integrated
INA
10
9
8
7
6
5
4
3
2
1
0
= +5V, V
3.0
SHUTDOWN SUPPLY CURRENT
Automotive TFT-LCD Power Supply with Boost
3.5
SH
= +12V, V
INPUT VOLTAGE (V)
450mA
50mA
4.0
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
50mA TO 450mA LOAD-TRANSIENT RESPONSE
0
3.0
4.5
GH
Converter and Gate Voltage Regulators
LINE REGULATION (BOOST)
3.5
= +18V, V
5.0
INPUT VOLTAGE (V)
4.0
100µs/div
5.5
GL
4.5
= -6V, V
100
90
80
70
60
50
40
30
20
10
5.0
0
MAX16928 toc06
EFFICIENCY vs. LOAD CURRENT (BOOST)
0
REG
5.5
V
= 3.3V, T
100
INA
I
500mA/div
V
200mV/div
SH
SH
= 3.3V
LOAD CURRENT (mA)
200
A
= +25NC, unless otherwise noted.)
300
Typical Operating Characteristics
V
INA
= 5V
SUPPLY SEQUENCING WAVEFORMS
400
BOOST STARTUP WAVEFORMS
500
(V
SEQ
10ms/div
4ms/div
= 0V)
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
0
0
MAX16928 toc07
100
MAX16928 toc05
LOAD REGULATION (BOOST)
MAX16928
V
V
200
INA
LOAD CURRENT (A)
INA
= 5V
V
5V/div
V
10V/div
I
1A/div
V
10V/div
V
5V/div
V
5V/div
V
5V/div
V
5V/div
V
5V/div
= 3.3V
LX
ENP
GH
SH
REG
GL
ENP
LXP
SH
300
400
500
600
5