LTC3524EUF#PBF Linear Technology, LTC3524EUF#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC3524EUF#PBF
• Description: IC TFT BIAS SUPPLY ADJ 24-QFN
• Manufacturer: Linear Technology

Specifications of LTC3524EUF#PBF

• Applications: LCD Display
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-QFN
• Operating Supply Voltage (typ): 3.3/5V
• Number Of Segments: 8
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Package Type: QFN EP
• Pin Count: 24
• Mounting: Surface Mount
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Lead Free Status / Rohs Status: Compliant

LTC3524
TYPICAL PERFORMANCE CHARACTERISTICS
4
21.5
21.0
20.0
19.5
19.0
18.0
22.0
20.5
18.5
100
20
18
17
16
80
50
19
90
70
60
2.5
0
LCD Boost Effi ciency
vs Load Current
0
LED1 String Current vs V
and Number of LEDs
VH Voltage vs VH and
VN Load Current (FBH = 0V)
L = 10μH
V
OUT
VN = 2mA
10
= 5V
VN = 0mA
3
0.5
VH LOAD CURRENT (mA)
20
V
OUT
3.5
CURRENT (mA)
30
V
VN = 1mA
IN
1
(V)
40
4
PER STRING:
50
1.5
IN
V
V
V
V
V
4.5
IN
IN
IN
IN
IN
5 LEDs
4 LEDs
3 LEDs
2 LEDs
60
= 5
= 4.2
= 3.6
= 3.1
= 2.5
3524 G07
3524 G01
3524 G04
70
2
5
21.5
21.0
20.0
19.5
19.0
18.0
10.0
22.0
20.5
18.5
9.5
9.0
8.5
8.0
7.5
7.0
85
80
75
70
65
2.5
2.5
LED Effi ciency vs V
LED2 String Current
vs V
VN Voltage vs VN and
VH Load Current (FBN = 1.3V)
0
L = 4.7μH
IN
VH = 2mA
3
and Number of LEDs
VH = 0mA
3
0.5
VN LOAD CURRENT (mA)
3.5
3.5
V
V
IN
IN
1
(V)
(V)
IN
VH = 1mA
4
4
PER STRING:
PER STRING:
1.5
4.5
4.5
5 LEDs
4 LEDs
3 LEDs
2 LEDs
5 LEDs
4 LEDs
3 LEDs
2 LEDs
3524 G02
3524 G09
T
3524 G05
A
= 25°C, unless otherwise noted.
5
2
5
10.0
7.5
7.0
6.0
5.5
5.0
4.0
8.0
6.5
4.5
9.5
8.5
85
80
75
70
65
60
55
9.0
–40
V
Regulation Overtemperature
5
0
4 LEDs per String Effi ciency
vs V
V2X Output Voltage
vs V2X Load Current
L = 4.7μH
OUT
IN
, |VN|, and VH/2
–15
and LED Current
1
10
V2X LOAD CURRENT (mA)
LED CURRENT (mA)
TEMPERATURE (°C)
10
2
V
VH/2
|VN|
15
OUT
35
3
20
V
V
V
V
V
60
IN
IN
IN
IN
IN
4
= 5
= 4.2
= 3.6
= 3.1
= 2.5
3524 G03
3524 G10
3524 G06
3524f
25
85
5