MAX1883EUP-T Maxim Integrated, MAX1883EUP-T Datasheet - Page 16
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MAX1883EUP-T
Manufacturer Part Number
MAX1883EUP-T
Description
LCD Drivers Quad-Output TFT LCD DC-DC Converter with Buffer
Manufacturer
Maxim Integrated
Datasheet
1.MAX1882EUG.pdf
(39 pages)
Specifications of MAX1883EUP-T
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
4.50V
4.00V
3.50V
4.50V
4.00V
3.50V
Quad-Output TFT LCD DC/DC
Converters with Buffer
MAX1778/MAX1880–MAX1885
16
(Circuit of Figure 1, V
BUF+ = FLTSET = TGND = PGND = GND, T
A. V
B. BUFOUT = BUF-, 0.5V/div
C
BUF
BUF
= 1µF, V
+ = 3.50V TO 4.50V, 0.5V/div
LARGE-SIGNAL RESPONSE
SUPB
VCOM BUFFER
= 8V
8.1V
7.8V
10µs/div
4V
2V
4V
2V
0
0
A. RDY, 2V/div
B. BUFOUT = BUF-, C
C. V
BUF+ = GND
SUPB
IN
VCOM BUFFER STARTUP
= V
= +3.3V, SHDN = IN, V
MAIN
MAX1778 toc48
= 8V, I
100µs/div
BUF
MAIN
= 1µF, 2V/div
A
B
= 20mA, 200mV/div
A
-200mA
200mA
= +25°C.)
4.2V
4.0V
3.8V
8.0V
MAX1778 toc51
Typical Operating Characteristics (continued)
0
A. I
B. BUFOUT = BUF-, 200mV/div
C. V
V
SUPB
BUFOUT
MAIN
LOAD-TRANSIENT RESPONSE
= V
A
B
C
MAIN
= 8V, 50mV/div
MAIN
= 200mA PULSES, 200mA/div
, BUF+ = GND, C
VCOM BUFFER
= V
4µs/div
SUPP
BUF
= V
= 1µF
8.1V
7.8V
4V
2V
4V
2V
MAX1778 toc49
SUPN
0
0
A. RDY, 2V/div
B. BUFOUT = BUF-, C
C. V
BUF+ = GND
SUPB
= V
A
B
C
VCOM BUFFER STARTUP
= V
SUPB
MAIN
-500mA
500mA
4.5V
4.0V
3.5V
8.0V
= 8V, I
0
100µs/div
BUF
= V
A. I
B. BUFOUT = BUF-, 0.5V/div
C. V
V
SUPB
MAIN
= 1µF, 2V/div
BUFOUT
MAIN
SUPL
= V
LOAD-TRANSIENT RESPONSE
= 20mA, 200mV/div
= 8V, 100mV/div
MAIN
= 400mA PULSES, 500mA/div
, BUF+ = GND, C
= 8V, BUF- = BUFOUT,
VCOM BUFFER
MAX1778 toc51
4µs/div
BUF
A
B
C
Maxim Integrated
= 1µF
MAX1778 toc50
A
B
C