LT1184FCS Linear Technology, LT1184FCS Datasheet - Page 22

• Manufacturer Part Number: LT1184FCS
• Description: IC SW REG CCFL CONTRAST 16-SOIC
• Manufacturer: Linear Technology

Specifications of LT1184FCS

• Applications: Converter, CCFL, LCD
• Voltage - Input: 3 ~ 30 V
• Number Of Outputs: 1
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Other names: LT1184FCSW; LT1184FCSW

LT1182/LT1183/LT1184/LT1184F
TYPICAL APPLICATIONS
22
0% to 90% DC =
0% to 90% DC =
0 A to 50 A
0 A to 50 A
1kHz PWM
1kHz PWM
0V TO 5V
0V TO 5V
V (PWM)
V (PWM)
LT1184/LT1184F I
LT1182/LT1183 I
R1 DECOUPLES THE DAC OUTPUT CAPACITANCE
FROM THE I
CURRENT SOURCE
I
LT1184/LT1184F I
CCFL
V
V
LT1182/LT1183/LT1184/LT1184F
REF
REF
DAC
DAC
40.35k
LT1183 I
with Potentiometer Control
with Potentiometer Control
40.5k
R1
Programming with DAC Control
R1
CCFL
R1 AND R2 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
I
R1 AND R2 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
I
CCFL
CCFL
15.9k
15.5k
PIN.
R1
= 12 A TO 50 A.
R1
= 12 A TO 50 A.
+
+
CCFL
CCFL
CCFL
C1
2.2 F
C1
2.2 F
CCFL
Programming
40.35k
40.5k
STRAY OUTPUT
CAPACITANCE
PWM Programming
R2
PWM Programming
R2
50k
50k
R2
R2
R1
5k
R1 AND R2 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
R1 AND R2 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
Programming
U
TO I
TO I
CCFL
N
CCFL
TO I
TO I
TO I
PIN
CCFL
PIN
1182 TA12
CCFL
CCFL
PIN
1182 TA06
1182 TA07
PIN
PIN
1182 TA04
1182 TA05
10 to 100% DC =
10 to 100% DC =
50 A TO 0 A
50 A TO 0 A
0% to 90% DC =
0% to 90% DC =
LT1184/LT1184F I
1kHz PWM
LT1184/LT1184F I
1kHz PWM
0V TO 5V
0V TO 5V
V (PWM)
V (PWM)
0 A to 50 A
0 A to 50 A
1kHz PWM
1kHz PWM
LT1183 I
LT1183 I
0V TO 5V
0V TO 5V
V (PWM)
V (PWM)
FROM V
FROM V
CCFL
CCFL
330
330
Q1
VN2222L
Q1
VN2222L
REF
R1
3.57k
REF
R1
3.48k
R1
R1
CCFL
CCFL
PWM Programming with V
PWM Programming with V
FROM V
FROM V
3.57k
3.48k
R2
R2
+
+
PWM Programming with V
PWM Programming with V
Q1
VN2222L
R2
7.15k
Q1
VN2222L
R2
6.98k
REF
REF
+
+
C1
22 F
C1
22 F
7.15k
6.98k
C1
22 F
C1
22 F
R3
R3
7.15k
6.98k
R1 PREVENTS OSCILLATION.
R2 AND R3 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
R1 PREVENTS OSCILLATION.
R2 AND R3 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
R1, R2 AND R3 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
R1, R2 AND R3 ARE IDEAL VALUES.
USE NEAREST 1% VALUE.
R3
R3
TO I
TO I
CCFL
CCFL
TO I
TO I
CCFL
CCFL
PIN
PIN
REF
REF
PIN
PIN
REF
REF
1182 TA08
1182 TA09
1182 TA10
1182 TA11