lt1186f Linear Technology Corporation, lt1186f Datasheet - Page 10
lt1186f
Manufacturer Part Number
lt1186f
Description
Dac Programmable Ccfl Switching Regulator
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1186F.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
lt1186fCS
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
lt1186fIS#PBF
Manufacturer:
LT
Quantity:
5
LT1186F
10
BLOCK
SHUTDOWN
6
DIAGRAM
I
CCFL
2
CLK
W
D
SHUTDOWN
POWER-ON
CS
IN
RESET
V1
0.465V
7
9
8
+
–
CCFL
LT1186F DAC Programmable CCFL Switching Regulator
REGULATOR
2
200kHz
Q3
V
2.4V
OSC
AGND
12
CC
5
1
Q5
Q4
5
CONTROL
LATCH
LATCH
LOGIC
LOGIC
LOGIC
VOLTAGE
LOCKOUT
AND
AND
UNDER-
9
Q7
DIO
MODE SELECT
0 = PULSE
1 = SPI
UP ONLY/
UP/DN
3
SHUTDOWN
Q6
2
Q8
1
THERMAL
D1
BULB
15
REFERENCE
D2
6V
VOLTAGE
3
Q9
SHDN
Q11
CLK
UP/DN
CLK
DO(LSB)
R3
1k
BAT
14
–
8
0.1
R4
g
8-BIT COUNTER/REGISTER
m
9-BIT SHIFT REGISTER
Q10
2
ROYER
13
+
SHDN
CCFL
V
4
C
LOGIC
COMP
CURRENT
8-BIT
DAC
8
8
DRIVE
ANTI-
CURRENT
SAT
GAIN = 4.4
AMP
Q9
–
+
FULL SCALE
PGND
CCFL
50 A
CCFL
V
16
11
SW
1
LT1186F • BD
Q1
R1
0.125
I
OUT
10
D
OUT