MAX1997ETJ+ Maxim Integrated Products, MAX1997ETJ+ Datasheet - Page 9

• Manufacturer Part Number: MAX1997ETJ+
• Description: IC PWR SUPPLY TFT LCD 32TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1997ETJ+

• Applications: Controller, TFT, LCD
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 5
• Voltage - Output: 2.7 ~ 13 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Quintuple/Triple-Output TFT LCD Power Supplies
(Circuit of Figure 1, V
unless otherwise noted.)
-0.04
-0.08
-0.12
-0.16
-0.20
-0.05
-0.10
-0.15
-0.20
-0.25
0
0
0.1
0.1
REG 2 (GAMMA REFERENCE)
REG P (GATE-ON VOLTAGE)
LOAD REGULATION
LOAD REGULATION
LOAD CURRENT (mA)
LOAD CURRENT (mA)
_______________________________________________________________________________________
1
1
IN
with Fault Protection and VCOM Buffer
= 3.3V, V
MAIN
10
10
= 9V, V
-0.08
-0.16
-0.24
-0.32
-0.40
0
A
B
Typical Operating Characteristics (continued)
0.1
A: LOAD CURRENT, 0 TO 250mA, 100mA/div
B: V
G_ON
LOGIC
LOAD TRANSIENT RESPONSE
REG N (GATE-OFF VOLTAGE)
= 2.5V, 10mV/div, AC-COUPLED
REG 1 (LOGIC SUPPLY)
= 20V, V
LOAD REGULATION
LOAD CURRENT (mA)
40µs/div
1
G_OFF
= -7V, V
MAX1997 toc18
10
300mA
200mA
100mA
0
2.5V
2.49V
LOGIC
-0.2
-0.4
-0.6
-0.8
-1.0
= 2.5V, V
0
C
D
A
B
1
A: V
B: V
C: V
D: I
MAIN
LX
GAMMA
MAIN
V
, 20V/div
REG 2 (GAMMA REFERENCE)
MAIN
= 0 TO 1A, 1A/div
= 9V, 200mV/div, AC-COUPLED
REG 1 (LOGIC SUPPLY)
= 8.6V, 20mV/div, AC-COUPLED
GAMMA
LOAD REGULATION
LOAD CURRENT (mA)
TRANSIENT REJECTION
10
4µs/div
= 8.6V, T
100
MAX1997 toc19
A
= +25°C,
1000
20V
0
8.62V
8.60V
8.58V
9.0V
8.8V
1A
0
9