LTC3525-3.3 Linear Technology Corporation, LTC3525-3.3 Datasheet - Page 11

• Manufacturer Part Number: LTC3525-3.3
• Description: 400mA Micropower Synchronous Step-Up DC/DC Converter
• Manufacturer: Linear Technology Corporation

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PACKAGE DESCRIPTIO
TYPICAL APPLICATIO S
3.26 MAX
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,
7. EIAJ PACKAGE REFERENCE IS EIAJ SC-70
BUT MUST BE LOCATED WITHIN THE INDEX AREA
Single Alkaline or NiMH to 3.3V Converter with 1mm Profile
2.1 REF
RECOMMENDED SOLDER PAD LAYOUT
1V to 1.6V
MAX
0.47
PER IPC CALCULATOR
1µF
0.65
REF
*COILCRAFT LPO3310-682MXD
**MURATA GRM219R60J106KE191D
3
1
2
0.96 MIN
1.16 REF
V
SHDN
GND
IN
LTC3525-3.3
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.
6.8µH*
1.00 MAX
0.10 – 0.40
U
0.80 – 1.00
V
GND
OUT
SW
U
3V to 4.2V
6
4
5
Li-ion
3525 TA05
(Reference LTC DWG # 05-08-1638)
OFF ON
10µF**
6.3V
1µF
0.10 – 0.30
V
3.3V
60mA
OUT
6-Lead Plastic SC70
SC6 Package
*COILCRAFT MSS4020-103MXD
Li-Ion to 5V
3
1
2
V
SHDN
GND
IN
LTC3525-5
10µH*
0.10 – 0.18
(NOTE 3)
0.00 – 0.10
V
REF
GND
OUT
SW
1.8V to 3.2V
6
4
5
1.80 – 2.40
3525 TA07
LTC3525-3.3/LTC3525-5
10µF
1.15 – 1.35
1µF
(NOTE 4)
2-Alkaline or NiMH to 3.3V
V
5V
175mA
OUT
0.65 BSC
PIN 1
3
1
2
*MURATA LQH32CN1002K53
V
SHDN
GND
IN
LTC3525-3.3
10µH*
INDEX AREA
(NOTE 6)
1.80 – 2.20
(NOTE 4)
V
GND
OUT
SW
6
4
5
3525 TA06
10µF
V
3.3V
140mA
OUT
0.15 – 0.30
6 PLCS (NOTE 3)
11
SC6 SC70 0802
3525f