Datasheet

LTC3530
16
3530fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2006
LT 0807 REV B • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LTC3400/LTC3400B 600mA (I
SW
), 1.2MHz Synchronous Step-Up DC/DC Converter V
IN
: 0.85V to 5V, V
OUT(MAX)
= 5V,
I
Q
= 19μA/300μA, I
SD
< 1μA, ThinSOT Package
LTC3401/LTC3402 1A/2A (I
SW
), 3MHz Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT(MAX)
= 5V, I
Q
= 38mA,
I
SD
< 1μA, MS Package
LTC3406/LTC3406B 600mA (I
OUT
), 1.5MHz Synchronous Step-Up DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 20μA,
I
SD
≤ 1μA, ThinSOT Package
LTC3407 600mA (I
OUT
), 1.5MHz Dual Synchronous Step-Up DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6V, I
Q
= 40μA,
I
SD
≤ 1μA, MS Package
LTC3411 1.25A (I
OUT
), 4MHz Synchronous Step-Up DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60μA,
I
SD
≤ 1μA, MS Package
LTC3412 2.5A (I
OUT
), 4MHz Synchronous Step-Up DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.8V, I
Q
= 60μA,
I
SD
≤ 1μA, TSSOP16E Package
LTC3421 3A (I
SW
), 3MHz Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 4.5V, V
OUT(MAX)
= 5.25V, I
Q
= 12μA,
I
SD
< 1μA, QFN Package
LTC3425 5A (I
SW
), 8MHz Multiphase Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 4.5V, V
OUT(MAX)
= 5.25V, I
Q
= 12μA,
I
SD
< 1μA, QFN Package
LTC3429 600mA (I
SW
), 500kHz Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 4.4V, V
OUT(MAX)
= 5V, I
Q
= 20μA,
I
SD
< 1μA, QFN Package
LTC3440 600mA (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MAX)
= 5.5V, I
Q
= 25μA,
I
SD
< 1μA, MS, DFN Package
LTC3441 600mA (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 2.5V to 5.5V, V
OUT(MAX)
= 5.5V, I
Q
= 25μA,
I
SD
< 1μA, DFN Package
LTC3442/LTC3443 1.2A (I
OUT
), Synchronous Buck-Boost DC/DC Converters,
LTC3442 (1MHz), LTC3443 (600kHz)
V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V, I
Q
= 28μA,
I
SD
< 1μA, MS Package
LTC3444 500mA (I
OUT
), 1.5MHz Synchronous Buck-Boost DC/DC Converter with
Wide V
OUT
Range
V
IN
: 2.7V to 5.5V, V
OUT
= 0.5V to 5.25V, 3mm x 3mm
DFN Package, Ideal for WCDMA PA Bias
LTC3532 500mA (I
OUT
), 2MHz Synchronous Buck-Boost DC/DC Converter V
IN
: 2.4V to 5.5V, V
OUT(MAX)
= 5.25V, I
Q
= I
SD
< 1μA,
DFN Package
ThinSOT is a trademark of Linear Technology Corporation.
SW1
V
IN
SHDN/SS
BURST
R
T
SW2
V
OUT
FB
V
C
GND
3
7
8
2
1
4
6
9
10
5
LTC3530
L1
10μH
R1
1M
R2
324k
3530 TA05
R
T
33.2k
C1: TAIYO YUDEN JMK212BJ106MG
C2: TAIYO YUDEN JMK325BJ226MM
D1, D2: ON SEMICONDUCTOR MBRM120T3
L1: SUMIDA CDRH4D28-100
*0 = Burst Mode OPERATION
1 = FIXED FREQUENCY
** LOCATE COMPONENTS AS
CLOSE TO IC AS POSSIBLE
C1
10μF
C3
0.1μF
R4 1M
USB
4.35V TO
5.25V
2Ω
*
SD
C4
560pF
10k
f
OSC
= 1MHz
C2**
22μF
V
OUT
5V
IN
– 435mA MAX
4.35V
IN
– 350mA MAX
D1**1nF
D2**
15k
33pF
USB to 5V Converter with Output Disconnect
TYPICAL APPLICATION
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