lt3471edd-trpbf Linear Technology Corporation, lt3471edd-trpbf Datasheet - Page 16

• Manufacturer Part Number: lt3471edd-trpbf
• Description: Dual 1.3a, 1.2mhz Boost/inverter In 3mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
LT1611
LT1613
LT1614
LT1615/LT1615-1
LT1617/LT1617-1
LT1930/LT1930A
LT1931/LT1931A
LT1943 (Quad)
LT1945 (Dual)
LT1946/LT1946A
LT3436
LT3462/LT3462A
LT3463/LT3463A
LT3464
LT3471
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
550mA (I
DC/DC Converter
550mA (I
DC/DC Converter
750mA (I
DC/DC Converter
300mA/80mA (I
350mA/100mA (I
DC/DC Converters
1A (I
Step-Up DC/DC Converters
1A (I
DC/DC Converters
Quad Boost, 2.6A Buck, 2.6A Boost, 0.3A Boost, 0.4A Inverter
1.2MHz TFT DC/DC Converter
Dual Output, Boost/Inverter, 350mA (I
High Efficiency Step-Up DC/DC Converter
1.5A (I
Step-Up DC/DC Converters
3A (I
300mA (I
DC/DC Converters with Integrated Schottkys
Dual Output, Boost/Inverter, 250mA (I
High Efficiency Step-Up DC/DC Converters with Integrated
Schottkys
85mA (I
Integrated Schottky and PNP Disconnect
●
FAX: [phone]
SW
SW
SW
OV
OV
CONTROL 1
CONTROL 2
SW
), 1.2MHz/2.2MHz, High Efficiency
), 1.2MHz/2.2MHz High Efficiency Micropower Inverting V
), 1MHz, 34V Step-Up DC/DC Converter
SW
SW
SW
SW
SW
), 1.2MHz/2.7MHz, High Efficiency
), High Efficiency Step-Up DC/DC Converter with
), 1.4MHz, High Efficiency Micropower Inverting
), 1.4MHz, High Efficiency Step-Up
), 600kHz, High Efficiency Micropower Inverting
), 1.2MHz/2.7MHz, High Efficiency Inverting
1.8V
1.8V
V
5V
IN
SW
SW
4.7k
4.7k
), High Efficiency Step-Up DC/DC Converters V
U
), High Efficiency Micropower Inverting
0.33µF
0.33µF
4.7µF
C1
●
www.linear.com
5V to ±12V Dual Supply Boost/Inverting Converter
9
8
7
V
IN
SHDN/SS1
V
SHDN/SS2
IN
C1, C2: X5R OR X7R 6.3V
C3, C4: X5R OR X7R 16V
C5: X5R OR X7R 25V
D1, D2: ON SEMICONDUCTOR MBRM-120
10µH
GND
V
L1
SW
SW
IN
11
), Constant Off-Time,
), Constant Off-Time,
LT3471
SW1
10µH
L2
10
•
SW2
6
FB1N
FB1P
FB2P
FB2N
V
REF
1µF
C5
1
2
3
4
5
D2
D1
C2
0.1µF
•
L1: SUMIDA CR43-10
L2, L3: SUMIDA CLS63-10
COMMENTS
V
ThinSOT Package
V
ThinSOT Package
V
MS8, S8 Packages
ThinSOT Package
V
ThinSOT Package
V
I
ThinSOT Package
V
TSSOP28E Package
V
10-Lead MS Package
V
MS8 Package
V
TSSOP16E Package
V
ThinSOT Package
V
DFN Package
V
ThinSOT Package
10µH
SD
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
L3
: 1.1V to 10V, V
: 0.9V to 10V, V
: 1V to 12V, V
: 2.6V to 16V, V
: 2.45V to 16V, V
: 3V to 25V, V
< 1µA, ThinSOT Package
= 1V to 15V, V
= 1.2V to 15V, V
= 2.6V to 16V, V
= 4.5V to 22V, V
= 1.2V to 15V, V
= 2.5V to 16V, V
= 2.3V to 15V, V
= 2.3V to 10V, V
C6
56pF
R3
15k
R4
182k
54.9k
4.99k
R1
R2
OUT(MAX)
OUT(MAX)
C7
56pF
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
3471 TA06
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
C4
4.7µF
C3
4.7µF
© LINEAR TECHNOLOGY CORPORATION 2004
= –24V, I
= 34V, I
= 34V, I
= –34V, I
= 34V, I
= 34V, I
V
–12V
200mA
= –34V, I
= –34V, I
= 40V, I
= ±34V, I
= 34V, I
= –38V, I
= ±40V, I
= 34V, I
V
12V
320mA
OUT2
OUT1
LT/LT 0605 REV A • PRINTED IN USA
Q
Q
Q
Q
Q
= 0.9mA, I
Q
= 1mA, I
= 20µA, I
Q
Q
Q
= 3mA, I
= 4.2mA/5.5mA,
Q
Q
Q
Q
Q
= 3mA, I
= 10µA, I
= 3.2mA, I
= 25µA, I
= 20µA, I
= 5.8mA, I
= 40µA, I
= 2.9mA, I
= 40µA, I
SD
SD
SD
SD
SD
SD
SD
< 10µA,
< 1µA,
< 1µA,
< 6µA,
SD
SD
SD
SD
< 1µA,
SD
SD
< 35µA,
< 1µA,
< 1µA,
< 1µA,
< 1µA,
< 1µA,
< 1µA,
< 1µA,
3471fa