LT1618EMS Linear Technology, LT1618EMS Datasheet - Page 16

• Manufacturer Part Number: LT1618EMS
• Description: IC DC/DC CONV STEP-UP 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1618EMS

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.26 ~ 36 V
• Current - Output: 1.5A
• Frequency - Switching: 1.4MHz
• Voltage - Input: 1.6 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LT1618
RELATED PARTS
16
TYPICAL APPLICATIONS
PART NUMBER
LT1613
LT1615/LT1615-1
LT1930/LT1930A
LT1932
LT1944/LT1944-1
(Dual)
LT1945 (Dual)
LT1961
LTC3401/LTC3402 1A/2A (I
LT3461/LT3461A
LT3463/LT3463A
LT3464
LT3465/LT3465A
LT3467/LT3467A
ThinSOT is a trademark of Linear Technology Corporation.
3.2V TO 5V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
Li-Ion Buck-Boost Mode Luxeon LED Driver
V
IN
C1: TAIYO YUDEN JMK212BJ475KG
C2: TAIYO YUDEN EMK316BJ475ML
D1: ON SEMICONDUCTOR MBRM120
D2: LUMILEDS DS25
L1: NEC PLC-07453R3
DESCRIPTION
550mA (I
300mA/80mA (I
DC/DC Converter
1A (I
DC/DC Converter
Constant Current, 1.2MHz, High Efficiency White LED
Boost Regulator
Dual Output 350mA/100mA (I
High Efficiency Step-Up DC/DC Converter
Dual Output, Pos/Neg, 350mA (I
High Efficiency Step-Up DC/DC Converter
1.5A (I
0.3A (I
Converter with Integrated Schottky
250mA (I
with Integrated Schottky Diodes
0.08A (I
Integrated Schottky, Output Disconnect
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
1.1A (I
Converter with Integrated Soft-Start
C1
4.7µF
SW
●
0.15Ω
SW
SW
SW
FAX: [phone]
), 1.2MHz/2.2MHz, High Efficiency Step-Up
8
9
SW
2
SW
SW
SW
), 1.25MHz, High Efficiency Step-Up DC/DC Converter
), 1.3MHz/3MHz, High Efficiency Step-Up DC/DC
), 1.3MHz/2.1MHz, High Efficiency Step-Up DC/DC
ISN
V
SHDN
I
ADJ
), High Efficiency Step-Up DC/DC Converter with
ISP
), 3MHz, Synchronous Step-Up DC/DC Converter
IN
), 1.4MHz, High Efficiency Step-Up DC/DC Converter
), Boost/Inverter Dual, Micropower DC/DC Converter
4
3
LT1618
3.3µH
GND
L1
SW
5
), Constant Off-Time, High Efficiency Step-Up
SW
V
FB
C
7
10
10nF
U
1
D2
D1
●
350mA
SW
100k
10k
www.linear.com
SW
), Constant Off-Time,
), Constant Off-Time,
1618 TA13
C2
4.7µF
COMMENTS
V
ThinSOT
V
ThinSOT Package
V
I
V
ThinSOT Package
V
MS Package
V
MS Package
V
MS8E Package
V
MS Package
V
SC70 and ThinSOT Packages
V
DFN Package
V
ThinSOT Package
V
ThinSOT Package
V
ThinSOT Package
SD
16V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
V
IN
: 0.9V to 10V, V
: 1.2V to 15V, V
: 2.6V to 16V, V
: 1V to 10V, V
: 1.2V to 15V, V
: 1.2V to 15V, V
: 3V to 25V, V
: 0.5V to 5V, V
: 2.5V to 16V, V
: 2.4V to 15V, V
: 2.3V to 10V, V
: 2.7V to 16V, V
: 2.4V to 16V, V
< 1µA, ThinSOT Package
C1: TAIYO YUDEN TMK325BJ475MN
D1: PHILIPS PMEG2010
D2: LUMILEDS DS45
L1: TOKO D104C
Buck Mode Luxeon LED Driver
TM
C1
4.7µF
Package
0.07Ω
OUT(MAX)
OUT(MAX)
8
9
3
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
ISP
V
SHDN
I
ISN
ADJ
IN
4
2
LT1618
700mA
GND
D2
5
= 34V, I
= 35V, I
© LINEAR TECHNOLOGY CORPORATION 2001
= 6V, I
SW
= 34V, I
= 34V, I
= 34V, I
= 34V, I
= ±34V, I
= 38V, I
= ±40V, I
= 34V, I
= 34V, I
= 40V, I
V
FB
C
7
10
10k
LT/TP 0504 1K REV A • PRINTED IN USA
L1
47µH
2.2nF
1
Q
Q
Q
= 38µA, I
Q
Q
Q
= 1.2mA, I
Q
= 0.9mA, I
Q
Q
Q
Q
Q
Q
= 3mA, I
= 20µA, I
= 4.2mA/5.5mA,
= 20µA, I
= 2.8mA, I
= 25µA, I
= 1.9mA, I
= 1.2mA, I
= 20µA, I
= 40µA, I
220pF
D1
SD
1618 TA14
SD
SD
SD
SD
SD
SD
< 1µA,
SD
SD
SD
SD
SD
< 1µA,
< 1µA,
< 6µA,
< 1µA,
< 1µA,
< 1µA,
sn1618 1618fas
< 1µA,
< 1µA,
< 1µA,
< 1µA,
< 1µA,