ltc3525esc6-5-trpbf Linear Technology Corporation, ltc3525esc6-5-trpbf Datasheet - Page 11

• Manufacturer Part Number: ltc3525esc6-5-trpbf
• Description: 400ma Micropower Synchronous Step-up Dc/dc Converter With Output Disconnect
• Manufacturer: Linear Technology Corporation

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
Single Cell to 3V Converter Using 1mm High Monolithic Inductor
BUT MUST BE LOCATED WITHIN THE INDEX AREA
2.1 REF
RECOMMENDED SOLDER PAD LAYOUT
1.8V to 3.2V
1V to 1.6V
0.47
MAX
PER IPC CALCULATOR
1µF
1µF
2-Alkaline or NiMH to 3.3V
0.65
REF
3
1
2
*MURATA LQH32CN1002K53
3
1
2
V
SHDN
GND
1.16 REF
0.96 MIN
V
SHDN
GND
*FDK MIP3226D6R8M
IN
IN
LTC3525-3.3
LTC3525-3
10µH*
6.8µH*
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.
1.00 MAX
0.10 – 0.40
U
V
GND
0.80 – 1.00
V
GND
OUT
SW
OUT
SW
U
6
4
5
6
4
5
3525 TA05
3525 TA03
(Reference LTC DWG # 05-08-1638)
10µF
10µF
4V
V
3.3V
140mA
0.10 – 0.30
V
3V
65mA
OUT
OUT
6-Lead Plastic SC70
SC6 Package
0.10 – 0.18
Single Alkaline or NiMH to 3.3V Converter with 1mm Profi le
(NOTE 3)
0.00 – 0.10
REF
3V to 4.2V
1V to 1.6V
Li-ion
LTC3525-3.3/LTC3525-5
1.80 – 2.40
OFF ON
1.15 – 1.35
1µF
(NOTE 4)
1µF
0.65 BSC
*COILCRAFT LPO3310-682MXD
**MURATA GRM219R60J106KE191D
*COILCRAFT MSS4020-103MXD
3
1
2
PIN 1
Li-Ion to 5V
3
1
2
V
SHDN
GND
IN
V
SHDN
GND
IN
LTC3525-5
LTC3525-3.3
10µH*
6.8µH*
INDEX AREA
(NOTE 6)
1.80 – 2.20
(NOTE 4)
LTC3525-3/
V
GND
OUT
V
SW
GND
OUT
SW
6
4
5
6
4
5
3525 TA06
3525 TA04
10µF
10µF**
6.3V
V
5V
175mA
V
3.3V
60mA
OUT
OUT
0.15 – 0.30
6 PLCS (NOTE 3)
11
SC6 SC70 0802
3525fa