LTC3525-3.3 Datasheet, PDF (11/12 Pages) Linear Technology – 400mA Micropower Synchronous Step-Up DC/DC Converter with Output Disconnect

LTC3525-3.3/LTC3525-5
TYPICAL APPLICATIO S
Single Alkaline or NiMH to 3.3V Converter with 1mm Profile
6.8µH*
2-Alkaline or NiMH to 3.3V
10µH*
1V to 1.6V
1µF
LTC3525-3.3
3
6
V_IN
SW
1
SHDN
4
V_OUT
2
GND
5
GND
V_OUT
3.3V
60mA
10µF**
6.3V
3525 TA05
1.8V to 3.2V
1µF
LTC3525-3.3
3
6
V_IN
SW
1
SHDN
4
V_OUT
2
GND
5
GND
V_OUT
3.3V
140mA
10µF
3525 TA06
*COILCRAFT LPO3310-682MXD
**MURATA GRM219R60J106KE191D
Li-Ion to 5V
10µH*
*MURATA LQH32CN1002K53
3V to 4.2V
Li-ion
OFF ON
1µF
LTC3525-5
3
6
V_IN
SW
1
SHDN
4
V_OUT
2
GND
5
GND
V_OUT
5V
175mA
10µF
3525 TA07
*COILCRAFT MSS4020-103MXD
PACKAGE DESCRIPTIO
0.47
0.65
MAX
REF
0.10 – 0.40
1.16 REF
3.26 MAX 2.1 REF
0.96 MIN
0.80 – 1.00
1.00 MAX
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. DETAILS OF THE PIN 1 INDENTIFIER ARE OPTIONAL,
BUT MUST BE LOCATED WITHIN THE INDEX AREA
7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70
SC6 Package
6-Lead Plastic SC70
(Reference LTC DWG # 05-08-1638)
0.10 – 0.30
0.10 – 0.18
(NOTE 3)
1.80 – 2.40
1.15 – 1.35
(NOTE 4)
0.00 – 0.10
REF
PIN 1
0.65 BSC
1.80 – 2.20
(NOTE 4)
INDEX AREA
(NOTE 6)
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 represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
0.15 – 0.30
6 PLCS (NOTE 3)
SC6 SC70 0802
3525f
11