LT1786FCS#PBF Linear Technology, LT1786FCS#PBF Datasheet - Page 10

• Manufacturer Part Number: LT1786FCS#PBF
• Description: IC SW REG CCFL SMBUS PROG 16SOIC
• Manufacturer: Linear Technology

Specifications of LT1786FCS#PBF

• Applications: Converter, CCFL
• Voltage - Input: 4.5 ~ 30 V
• Number Of Outputs: 1
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Input Voltage: 30V
• Output Current: 1.9A
• No. Of Outputs: 1
• Supply Voltage Range: 3V To 6.5V
• No. Of Pins: 16
• Operating Temperature Range: 0°C To +70°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

LT1786F
10
BLOCK
SHDN
6
SDA
SCL 10
DIAGRAM
9
I
CCFL
2
INTERFACE
SMBus
ADR
W
SHUTDOWN
8
V1
0.465V
+
–
CCFL
LT1786F SMBus Programmable CCFL Switching Regulator
REGULATOR
1
200kHz
2
Q3
V
2.4V
AGND
OSC
12
CC
5
EN1
3-BIT LATCH
REGISTER A
POWER-ON
1
Q5
RESET
SD
Q4
5
LOCKOUT
VOLTAGE
UNDER-
9
Q7
DIO
6
3
1
SMBSUS
SHUTDOWN
Q6
2
Q8
1
THERMAL
7
D1
BULB
EN2
EN2
15
6-BIT LATCH
1-BIT LATCH
REGISTER C
REGISTER B
D2
6V
3
Q9
SHUTDOWN
Q11
R3
1k
BAT
14
SD
–
0.1
R4
g
m
Q10
2
ROYER
6
13
+
CCFL
V
4
SD
SD
C
LOGIC
COMP
REFERENCE
VOLTAGE
CURRENT
6-BIT
DAC
DRIVE
ANTI-
CURRENT
SAT
GAIN = 4.4
AMP
R
ADJ
–
+
PGND
CCFL
CCFL
V
11
16
SW
Q1
1
1786 BD
R1
0.125
I
OUT