LTC3524EUF#PBF Linear Technology, LTC3524EUF#PBF Datasheet - Page 8

• 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
BLOCK DIAGRAM
8
+12.5V
+10V
+5V
10μF
324k
220k
R2
R4
R1
1M
R3
2M
V
OUT
16
17
15
14
4
3
7
6
8
FBVO
C2
C2
V2x
CH
CH
VH
FBH
+
–
+
–
SHDN
SHDN
SHDN
1.225V
1.225V
OUT
QUADRUPLER
REGULATED
CHARGE
IN
PUMP
5
OUT
DOUBLER
SW1
CHARGE
PUMP
EXPOSED PAD
SYNCHRONOUS
PWM BOOST
CONVERTER
10μH
VBEST
IN
GND,
V
2.5V TO 6V
25
OUT
OSCILLATOR
SEQUENCER
CONTROL
CHARGE
PUMP
2
V
IN
PWM BOOST
CONVERTER
VOLTAGE
HIGH
4.7μH
ELCD = ELED1 = ELED2 = 0V
SHUTDOWN WHEN
IN
REGULATED
INVERTER
21
1V
CHARGE
PUMP
SW2
STRING ENABLE
LED CURRENT
OVP
SHDN
SHARING
OUT
ELED2
ELED1
PROG
VLED
ELCD
LED1
LED2
VNIN
FBN
CN
3524 BD
NC
VN
+
20
19
18
23
22
24
10
11
12
13
1
9
ENABLE/PULSE DIM LED2 STRING
ENABLE/PULSE DIM LED1 STRING
LCD BIAS ENABLE
V2x
R6
1M
470k
RPROG
R5
–7.5V
V
ANALOG DIMMING
OUT
10μF
3524f