LTC3530
13
3530fb
SW1
V
IN
SHDN/SS
R
T
SW2
V
OUT
FB
V
C
BURST
LTC3530
C
IN
10μF
C
SS
0.01μF
C
IN
: TAIYO YUDEN JMK212BJ106MG
C
OUT
: TAIYO YUDEN JMK325BJ226MM
L1: TDK RLF7030T-3R3M4R
2.7V TO 4.2V
Li-Ion
R
Z
10k
R1
1M
R
FF
15k
L1
3.3μH
C
OUT
22μF
C
Z1
33pF
V
OUT
3.3V
500mA
R2
576k
C
P1
560pF
3530 TA02
R
T
33.2k
BURST FIXED FREQ
R
SS
1M
GND
SW1
V
IN
SHDN/SS
R
T
SW2
V
OUT
FB
V
C
BURST
LTC3530
C
IN
: TAIYO YUDEN JMK212BJ106MG
C
OUT
: TAIYO YUDEN JMK325BJ226MM
L1: TDK RLF7030T-4R7M3R4
R
Z
10k
R1
1M
R
BURST
200k
R
FF
15k
C
BURST
0.01μF
C
Z1
33pF
V
OUT
3.3V
500mA
R2
576k
C
P1
560pF
3530 TA03
R
SS
1M
L1
4.7μH
C
OUT
22μF
GND
+
IN1
IN2
V
NTC
NTC
WALL
SHDN
SUSP
HPWR
OUT
Li-Ion
CELL
10μF
1Ω
10μF
TIMER PROG
LTC4055
CLPROG GND
BAT
CHRG
ACPR
0.1μF 97.6k 97.6k
SUSPEND USB POWER
500mA/100mA SELECT
5V (NOM)
FROM USB
CABLE V
BUS
R
T
33.2k
C
SS
0.01μF
1MHz Li-Ion to 3.3V at 500mA Converter with Manual Mode Control
1MHz Li-Ion to 3.3V/600mA Converter with USB Power Input Option,
Li Battery Charger and Power Path Management.
TYPICAL APPLICATIONS
LTC3530
14
3530fb
LED CURRENT (A)
0.1
EFFICIENCY (%)
0.5
3530 TA04b
80
84
88
92
96
82
86
90
94
98
100
V
IN
= 3.6V
1MHz
High Effi ciency Li-Ion Powered Constant Current Lumiled Driver
SW1
V
IN
SD/SS
R
T
SW2
V
OUT
FB
V
C
BURST
LTC3530
V
IN
2.2V TO
4.2V
LHXL-PW01
C
OUT
4.7μF
C
P1
1nF
3530 TA04a
L1
3.3μH
C
BURST
470pF
C
IN
10μF
OFF ON
R2 = R1/1.5
I
LED
=
C
IN
= TAIYO YUDEN JMK212BJ106MG
C
OUT
= TAIYO YUDEN JMK325BJ475MM
D1 = BAT54
12,810 (R1+R2+R3+R4)
R1 • R3
R3
95.3k
R2
100k
R1
301k
R
T
44.2k
R4
100k
I
LED
= 500mA
GND
D1
Lumiled Driver Effi ciency vs LED Current
TYPICAL APPLICATIONS
LTC3530
15
3530fb
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.
3.00 ±0.10
(4 SIDES)
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
TOP AND BOTTOM OF PACKAGE
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
0.38 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
2.38 ± 0.10
(2 SIDES)
15
106
PIN 1
TOP MARK
(SEE NOTE 6)
0.200 REF
0.00 – 0.05
(DD10) DFN 1103
0.25 ± 0.05
2.38 ± 0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)
2.15 ±0.05
0.50
BSC
0.675 ±0.05
3.50 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
MSOP (MS) 0307 REV E
0.53 ± 0.152
(.021 ± .006)
SEATING
PLANE
0.18
(.007)
1.10
(.043)
MAX
0.17 – 0.27
(.007 – .011)
TYP
0.86
(.034)
REF
0.50
(.0197)
BSC
12
3
45
4.90 ± 0.152
(.193 ± .006)
0.497 ± 0.076
(.0196 ± .003)
REF
8910
7
6
3.00 ± 0.102
(.118 ± .004)
(NOTE 3)
3.00 ± 0.102
(.118 ± .004)
(NOTE 4)
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
0.254
(.010)
0° – 6° TYP
DETAIL “A”
DETAIL “A”
GAUGE PLANE
5.23
(.206)
MIN
3.20 – 3.45
(.126 – .136)
0.889 ± 0.127
(.035 ± .005)
RECOMMENDED SOLDER PAD LAYOUT
0.305 ± 0.038
(.0120 ± .0015)
TYP
0.50
(.0197)
BSC
0.1016 ± 0.0508
(.004 ± .002)
DD Package
10-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1695)
MS Package
10-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1661)
PACKAGE DESCRIPTION

LTC3530EDD#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.8V to 5.5Vin, 600mA, 2MHz Buck-Boost Converter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union