lt3461es6-trpbf Linear Technology Corporation, lt3461es6-trpbf Datasheet - Page 8

• Manufacturer Part Number: lt3461es6-trpbf
• Description: 1.3mhz/3mhz Step-up Dc/dc Converters With Integrated Schottky In Thinsot
• Manufacturer: Linear Technology Corporation

RELATED PARTS
LT3461/LT3461A
TYPICAL APPLICATIO S
PART NUMBER
LT1615/LT1615-1
LT1944/LT1944-1
LTC3400/LTC3400B
LT3460
LT3465/LT3465A
8
Low Profile (1mm) 3.3V to 15V Step-Up Converter
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
3.3V
C1: TAIYO YUDEN LMK107BJ105KA
C2: TAIYO YUDEN EMK316BJ225KD (X5R)
L1: MURATA LQH2MCN100K02
V
C1: TAIYO YUDEN X7R LMK212BJ105
C2: MURATA GRM42-6X7R474K50
L1: MURATA LQH32CN470
V
5V
IN
1µF
IN
C1
5V to 36V Step-Up Converter (LT3461)
OFF ON
OFF ON
C1
1µF
6
4
●
10µH
6
4
47µH
DESCRIPTION
300mA/80mA (I
High Efficiency Step-Up DC/DC Converter
Dual Output 350mA/100mA (I
High Efficiency Step-Up DC/DC Converter
600mA (I
0.32A (I
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
L1
L1
FAX: [phone]
V
V
SHDN
SHDN
IN
IN
LT3461A
LT3461
GND
GND
SW
SW
2
1
2
1
V
V
OUT
OUT
SW
FB
FB
SW
), 1.3MHz, High Efficiency Step-Up DC/DC Converter
5
3
5
3
), 1.2MHz, Synchronous Step-Up DC/DC Converter
332k
280k
10k
U
30.1k
SW
3.3V
C1, C2, C3, C4: TAIYO YUDEN JMK107BJ105
D1, D2: PHILIPS PMEG2005EB
L1: MURATA LQH2MCN4R7M02
V
) Constant Off-Time,
IN
1µF
C1
●
www.linear.com
22pF
22pF
OFF ON
3461a TA04a
3461 TA05a
C2
2.2µF
C2
0.47µF
50V
3.3V to ±5V Dual Output Converter
SW
V
36V
18mA
V
15V
25mA
OUT
OUT
4.7µH
6
4
), Constant Off-Time,
L1
V
SHDN
IN
LT3461A
GND
SW
1
2
V
OUT
FB
5
3
45.3k
15k
1µF
C3
15pF
D1
D2
10Ω
V
V
I
I
V
COMMENTS
I
I
V
V
I
SD
SD
SD
SD
SD
IN
IN
IN
IN
IN
: 1.2V to 15V, V
: 1.2V to 15V, V
: 0.85V to 5V, V
: 2.5V to 16V, V
: 2.7V to 16V, V
<1µA, ThinSOT Package
<1µA, MS Package
<1µA, ThinSOT
<1µA, SC70, ThinSOT Packages
<1µA, ThinSOT Package
C4
1µF
–5V
15mA
75
70
65
60
55
50
80
75
70
65
60
55
50
C2
1µF
V
5V
100mA
OUT
0
0
3461 TA06
3.3V to 15V Efficiency
2
5V to 36V Efficiency
5
4
LOAD CURRENT (mA)
LOAD CURRENT (mA)
10
6
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
© LINEAR TECHNOLOGY CORPORATION 2003
8
15
10
= 34V, I
= 34V, I
= 5V, I
= 36V, I
= 34V, I
20
12
LT/TP 1004 1K • PRINTED IN USA
14
25
Q
3461a TA04b
3461 TA05b
Q
Q
Q
Q
16
= 19µA/300µA,
= 20µA,
= 20µA,
= 2mA,
= 1.9mA,
30
18
3461af