Datasheet

14
LT1316
TYPICAL APPLICATIONS N
U
LCD Bias Generator with Output Disconnect in Shutdown
V
IN
V
IN
3.3V
SW
R
SET
7
8
65
MBR0540LT1
OPTIONAL CONNECTION
V
BAT

1.6V TO 3.5V
V
ADJ
(V
OUT
ADJUST)
0V TO 3.3V
4
3
SHDN
FB
LT1316
GND
11k
1%
L1
22µH
C1
22µF
6.3V
C1: AVX TAJA226M006R
C2: AVX TAJB335M035R
L1: MURATA LQH3C220K04
Q1: MMBT3906LT3
1316 TA12
SHUTDOWN
+
+
4.7M
150k
100pF
50V
CERAMIC
V
OUT

17.1V TO 19.8V
4mA
3.32M
1%
232k
1%
C2
3.3µF
35V
0.33µF
50V
CERAMIC
Q1
Universal Serial Bus (USB) to 5V/100mA DC/DC Converter
V
IN
V
IN
4V TO
7V
SW
R
SET
3
8
65
D1
7
4
SHDN
FB
LT1316
GND
R3
10k
R
B

100Ω
L1
33µH
C1
10µF
10V
C1: 10µF 10V AVX TAJB106M010
C2: 33µF 10V AVX TPSC336M010
C3: 10µF ALUMINUM ELECTROLYTIC
D1: MBR0520LT1
L1: 33µH SUMIDA CD43 (OR COILCRAFT DO1608)
Q1: MPS1907A
1316 TA13
+
+
R2
1.00M
R1
324k
100pF
V
OUT

5V
100mA
C2
33µF
10V
+
C3
10µF
10V
Q1