FAN5355 Fairchild Semiconductor, FAN5355 Datasheet - Page 8

• Manufacturer Part Number: FAN5355
• Description: The FAN5355 device is a high-frequency, ultra-fast transient response, synchronous step-down DC-DC converter optimized for low-power applications using small, low-cost inductors and capacitors
• Manufacturer: Fairchild Semiconductor

© 2008 Fairchild Semiconductor Corporation
FAN5355 • Rev. 1.1.0
I
Guaranteed by design.
2
Symbol
C Timing Specifications
t
t
t
t
t
HD;DAT
SU;STO
HD;STA
SU;STA
SU;DAT
t
t
t
t
f
t
t
t
t
RCL1
LOW
HIGH
RDA
C
SCL
BUF
RCL
FCL
FDA
B
Parameter
SCL Clock Frequency
Bus-Free Time between STOP and
START Conditions
START or Repeated-START Hold
Time
SCL LOW Period
SCL HIGH Period
Repeated-START Setup Time
Data Setup Time
Data Hold Time
SCL Rise Time
SCL Fall Time
SDA Rise Time
Rise Time of SCL After a Repeated
START Condition and After ACK Bit
SDA Fall Time
Stop Condition Setup Time
Capacitive Load for SDA and SCL
(7)
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
Standard Mode
Fast Mode
High-Speed Mode
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode
Standard Mode
Fast Mode
High-Speed Mode
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode, C
High-Speed Mode, C
Standard Mode
Fast Mode
High-Speed Mode
Conditions
8
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
< 100pF
< 400pF
Min.
0
0
0
0
20+0.1C
20+0.1C
20+0.1C
20+0.1C
20+0.1C
20+0.1C
20+0.1C
20+0.1C
Typ.
B
B
B
B
B
B
B
B
600
160
160
320
600
120
600
160
250
100
600
160
4.7
1.3
4.7
1.3
4.7
60
10
10
20
10
20
10
20
10
20
4
4
4
Max.
3400
1700
1000
1000
www.fairchildsemi.com
3.45
100
400
900
150
300
160
300
300
300
160
300
300
160
400
70
80
40
80
80
80
Units
kHz
kHz
kHz
kHz
 s
 s
 s
 s
 s
 s
 s
 s
 s
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns