LTC3524EUF#PBF Linear Technology, LTC3524EUF#PBF Datasheet - Page 4
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LTC3524EUF#PBF
Manufacturer Part Number
LTC3524EUF#PBF
Description
IC TFT BIAS SUPPLY ADJ 24-QFN
Manufacturer
Linear Technology
Datasheet
1.LTC3524EUFPBF.pdf
(16 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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