LTC3524EUF#PBF Linear Technology, LTC3524EUF#PBF Datasheet - Page 5
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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
TYPICAL PERFORMANCE CHARACTERISTICS
I
LCD
INDUCTOR
50mA/DIV
CURRENT
BOOST
5V/DIV
2V/DIV
SW1
LCD Bias Sequencing
SW1 Voltage and 10μH Inductor
Current at 5mA Load
I
LED
INDUCTOR
E
LED1
BOOST
E
LED1
VN
LED2
SW2
VH
AND
V2X
200ns/DIV
5ms/DIV
LED Burst Dimming Waveforms
LED1 and SW2
V
OUT
12V
500μs/DIV
3524 G14
3524 G11
I
200mV/DIV
200mA/DIV
LCD
INDUCTOR
200mA/DIV
CURRENT
BOOST
5V/DIV
5V/DIV
SW2
SW2
3524 G17
LCD Bias Sequencing
SW2 Voltage and 4.7μH Inductor
Current at 20mA
5V/DIV
200mA/DIV
10V/DIV
10V/DIV
I
LCD
BOOST INDUCTOR CURRENT
V
VH
VN
OUT
200ns/DIV
5ms/DIV
I
LED
E
INDUCTOR
LED1
BOOST
E
LED2
V
AND
LED2
LED
LED Burst Dimming Waveforms
LED2 and VLED
T
3524 G15
A
3524 G12
= 25°C, unless otherwise noted.
I
500mV/DIV
LCD
INDUCTOR
12.5V
12V
CURRENT
50mA/DIV
2V/DIV
BOOST
5V/DIV
500μs/DIV
SW1
SW1 Voltage and 10μH Inductor
Current at 25mA Load
LED Initial Start-Up Waveforms
V
LED
LED1
3524 G18
LED2
200ns/DIV
50μs/DIV
LTC3524
5V/DIV
200mA/DIV
10V/DIV
10V/DIV
I
INDUCTOR
CURRENT
LED
BOOST
5
3524 G16
3524 G13
3524f