Datasheet
Table Of Contents
- 2.0 MHz, 500 mA Synchronous Buck Regulator
- Package Types
- Typical Application Circuit
- Functional Block Diagram
- 1.0 Electrical Characteristics
- 2.0 Typical Performance Curves
- 3.0 Pin Descriptions
- 4.0 Detailed Description
- 5.0 Application Information
- 6.0 Typical Application Circuits
- 7.0 Packaging Information
- Appendix A: Revision History
- Product Identification System
- Trademarks
- Worldwide Sales and Service

MCP1603/B/L
DS22042B-page 24 2007-2012 Microchip Technology Inc.
3LQYLVXDOLQGH[IHDWXUHPD\YDU\EXWPXVWEHORFDWHGZLWKLQWKHKDWFKHGDUHD
'LPHQVLRQV'DQG(GRQRWLQFOXGHPROGIODVKRUSURWUXVLRQV0ROGIODVKRUSURWUXVLRQVVKDOOQRWH[FHHGPPSHUVLGH
'LPHQVLRQLQJDQGWROHUDQFLQJSHU$60(<0
%6& %DVLF'LPHQVLRQ7KHRUHWLFDOO\H[DFWYDOXHVKRZQZLWKRXWWROHUDQFHV
5() 5HIHUHQFH'LPHQVLRQXVXDOO\ZLWKRXWWROHUDQFHIRULQIRUPDWLRQSXUSRVHVRQO\
)RUWKHPRVWFXUUHQWSDFNDJHGUDZLQJVSOHDVHVHHWKH0LFURFKLS3DFNDJLQJ6SHFLILFDWLRQORFDWHGDW
KWWSZZZPLFURFKLSFRPSDFNDJLQJ
8QLWV 0,//,0(7(56
'LPHQVLRQ/LPLWV 0,1 120 0$;
1XPEHURI/HDGV 1
/HDG3LWFK H %6&
2XWVLGH/HDG3LWFK H %6&
2YHUDOO+HLJKW $ ± ±
0ROGHG3DFNDJH7KLFNQHVV $
6WDQGRII $ ±
2YHUDOO:LGWK ( %6&
0ROGHG3DFNDJH:LGWK ( %6&
2YHUDOO/HQJWK ' %6&
)RRW/HQJWK /
)RRWSULQW / 5()
)RRW$QJOH
/HDG7KLFNQHVV F ±
/HDG:LGWK E ±
0ROG'UDIW$QJOH7RS
0ROG'UDIW$QJOH%RWWRP
N
b
E
E1
NOTE 1
D
e1
e
1
2
3
A
A1
A2
c
L1
L
φ
β
α
0LFURFKLS 7HFKQRORJ\ 'UDZLQJ &%