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LT3489EMS8E#PBF

P1-P3P4-P6P7-P9P10-P12
LT3489
10
3489f
A
VDD
LOAD CURRENT (mA)
0
EFFICIENCY (%)
65
70
75
300
500
3489 TA01b
60
55
50
100 200 400
80
85
90
700600
V
ON
LOAD = 10mA
V
OFF
LOAD = 20mA
TYPICAL APPLICATIO
U
V
IN
V
IN
3.3V
SW
FB
LT3489
L1
2.2µH
D1
R3
5.23k
R2
28.7k
3489 TA04
C2
20µF
C5
0.1µF
C6
0.1µF
C7
0.1µF
C4
2µF
C3
2µF
C1
4.7µF
C
SS
100nF
D7
D2 D3
V
OFF
–8V
20mA
AV
DD
8V
610mA
V
ON
23V
10mA
D6
C8
0.1µF
V
C
GND*
SHDN
3
8
7
14
2
56
SS
COMP
+
D4 D5
C1 TO C8: X5R OR X7R
C1: AVX 08056D475KAT
C2: 2 × 10µF, TAIYO YUDEN LMK316BJ106ML
C3: 2 × 10µF, 10V
C4: 2 × 1µF, AVX08053D105KAT
C5, C6, C7: 0.1µF, 10V
C8: 0.1µF, 16V
D1: DIODES INC. DFLS220L
D2 TO D7: ZETEX BAT54S OR EQUIVALENT
L1: COOPER BUSSMANN SD25-2R2
* EXPOSED PAD MUST ALSO BE GROUNDED
OFF ON
10mA
37.4k
220pF
Transient Response Start-Up Waveforms
A
VDD
100mV/DIV
AC COUPLED
I
L1
1A/DIV
400mA
I
LOAD
200mA
5µs/DIV
3489 TA07
A
VDD
5V/DIV
V
ON
20V/DIV
V
OFF
5V/DIV
I
IN
0.5A/DIV
5ms/DIV
3489 TA08
Effciency
LT3489
11
3489f
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
PACKAGE DESCRIPTIO
U
MS8E Package
8-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1662)
MSOP (MS8E) 0603
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
NOTE:
1. DIMENSIONS IN MILLIMETER/(INCH)
2. DRAWING NOT TO SCALE
3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE
5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX
0.18
(.007)
0.254
(.010)
1.10
(.043)
MAX
0.22 – 0.38
(.009 – .015)
TYP
0.127 ± 0.076
(.005 ± .003)
0.86
(.034)
REF
0.65
(.0256)
BSC
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
12
3
4
4.90 ± 0.152
(.193 ± .006)
8
8
1
BOTTOM VIEW OF
EXPOSED PAD OPTION
7
6
5
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
0.52
(.0205)
REF
1.83 ± 0.102
(.072 ± .004)
2.06 ± 0.102
(.081 ± .004)
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
2.083 ± 0.102
(.082 ± .004)
2.794 ± 0.102
(.110 ± .004)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.42 ± 0.038
(.0165 ± .0015)
TYP
0.65
(.0256)
BSC
LT3489
12
3489f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0606 • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LT1613 550mA (I
SW
), 1.4MHz, High Effi ciency Step-Up
DC/DC Converter
V
IN
: 0.9V to 10V, V
OUT(MAX)
= 34V, I
Q
= 3mA, I
SD
= <1μA,
ThinSOT
TM
Package
LT1615/LT1615-1 300mA/80mA (I
SW
), High Effi ciency Step-Up
DC/DC Converters
V
IN
: 1V to 15V, V
OUT(MAX)
= 34V, I
Q
= 20μA, I
SD
= <1μA,
ThinSOT Package
LT1618 1.5A (I
SW
), 1.25MHz, High Effi ciency Step-Up
DC/DC Converter
V
IN
: 1.6V to 18V, V
OUT(MAX)
= 35V, I
Q
= 1.8mA, I
SD
= <1μA,
MS Package
LT1930/LT1930A 1A (I
SW
), 1.2MHz/2.2MHz, High Effi ciency Step-Up
DC/DC Converters
V
IN
: 2.6V to 16V, V
OUT(MAX)
= 34V, I
Q
= 4.2mA/5.5mA, I
SD
= <1μA,
ThinSOT Package
LT1935 2A (I
SW
), 1.2MHz/2.7MHz, High Effi ciency Step-Up
DC/DC Converter
V
IN
: 2.3V to 16V, V
OUT(MAX)
= 38V, I
Q
= 3mA, I
SD
= <1μA,
ThinSOT Package
LT1946/LT1946A 1.5A (I
SW
), 1.2MHz, High Effi ciency Step-Up
DC/DC Converters
V
IN
: 2.45V to 16V, V
OUT(MAX)
= 34V, I
Q
= 3.2mA, I
SD
= <1μA,
MS8 Package
LT1961 1.5A (I
SW
), 1.25MHz, High Effi ciency Step-Up
DC/DC Converter
V
IN
: 3V to 25V, V
OUT(MAX)
= 35V, I
Q
= 0.9mA, I
SD
= 6μA,
MS8E Package
LT3436 3A (I
SW
), 1MHz, 34V Step-Up DC/DC Converter V
IN
: 3V to 25V, V
OUT(MAX)
= 34V, I
Q
= 0.9mA, I
SD
= <6μA,
TSSOP-16E Package
LT3464 85mA (I
SW
), High Effi ciency Step-Up DC/DC Converter
with Integrated Schottky and PNP Disconnect
V
IN
: 2.3V to 10V, V
OUT(MAX)
= 34V, I
Q
= 25μA, I
SD
= <1μA,
ThinSOT Package
LT3467/LT3467A 1.1A (I
SW
), 1.3MHz/2.7MHz, High Effi ciency Step-Up
DC/DC Converters
V
IN
: 2.6V to 16V, V
OUT(MAX)
= 40V, I
Q
= 1.2mA, I
SD
= <1μA,
ThinSOT Package
LT3477 3A (I
SW
), 3.5MHz, High Effi ciency Step-Up DC/DC
Converter with Dual Rail-to-Rail Current Sense
V
IN
: 2.5V to 24V, V
OUT(MAX)
= 40V, I
Q
= 5mA, I
SD
= <1μA, QFN,
TSSOP-20E Packages
LT3479 3A (I
SW
), 3.5MHz, High Effi ciency Step-Up
DC/DC Converter
V
IN
: 2.5V to 24V, V
OUT(MAX)
= 40V, I
Q
= 5mA, I
SD
= <1μA, DFN.
TSSOP-16E Packages
ThinSOT is a trademark of Linear Technology Corporation.
RELATED PARTS
P1-P3P4-P6P7-P9P10-P12

LT3489EMS8E#PBF

Mfr. #:
Buy LT3489EMS8E#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 2.5A, 2MHz Step-Up Regulator in MS8E
Lifecycle:
New from this manufacturer.
Delivery:
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