MAX1518BETJ+T Maxim Integrated Products, MAX1518BETJ+T Datasheet - Page 7

• Manufacturer Part Number: MAX1518BETJ+T
• Description: IC DC-DC CONV TFT-LCD 32-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX1518BETJ+T

• Applications: Converter, TFT, LCD
• Voltage - Input: 2.6 ~ 6.5 V
• Number Of Outputs: 1
• Voltage - Output: 2.6 ~ 13 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Circuit of Figure 1. V
unless otherwise noted.)
100
90
80
70
60
50
40
30
1
V
IN
= 3.3V
STEP-UP EFFICIENCY
V
vs. LOAD CURRENT
IN
LOAD CURRENT (mA)
= 5.0V
10
_______________________________________________________________________________________
IN
TIMER DELAYED OVERLOAD PROTECTION
A: V
B: V
C: INDUCTOR CURRENT, 1A/div
A: V
B: INDUCTOR CURRENT, 1A/div
= 5V, V
STEP-UP REGULATOR SOFT-START
IN
MAIN
MAIN
, 5V/div
, 5V/div
, 2V/div
100
MAIN
V
OUT
(HEAVY LOAD)
= 13V
40ms/div
2ms/div
= 13V, V
220ms
1000
GON
TFT-LCD DC-DC Converter with
MAX1518B toc04
1.4
1.3
1.2
1.1
1.0
= 24V, V
2.5
0V
0V
0A
A
B
B
C
A
3.0
GOFF
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
3.5
= -8V, V
4.0
Operational Amplifiers
Typical Operating Characteristics
OUT1
4.5
1.253
1.252
1.251
1.250
1.249
1.248
1.247
= V
5.0
A: LOAD CURRENT, 1A/div
B: V
C: INDUCTOR CURRENT, 1A/div
0
OUT2
MAIN
REF VOLTAGE LOAD REGULATION
STEP-UP REGULATOR PULSED
LOAD-TRANSIENT RESPONSE
5.5
, 200mV/div, AC-COUPLED
10
= V
LOAD CURRENT (µA)
OUT3
20
10µs/div
10
8
6
4
2
0
= V
2.5
OUT4
30
3.0
STEP-UP SUPPLY CURRENT
CURRENT INTO INDUCTOR
= V
vs. SUPPLY VOLTAGE
MAX1518B toc05
40
SUPPLY VOLTAGE (V)
NO LOAD, SUP DISCONNECTED,
R1 = 95.3kΩ, R2 = 10.2kΩ
3.5
OUT5
CURRENT INTO IN PIN
50
4.0
13V
200mA
0A
= 6.5V, T
A
B
C
4.5
A
5.0
= +25°C
5.5
7