Datasheet

Table Of Contents
Table 54-16. I/O Pins Dynamic Characteristics (see Notes 1, 2, and 3)
Symbol Parameter Conditions Backup Pins in
Backup Mode
Backup and
Normal Pins
Backup and
Normal Pins
Units
DRVSTR=0 DRVSTR=1
t
RISE
Maximum Rise Time C
LOAD
= 30 pF 4 0.04 0.01 µs
t
FALL
Maximum Fall Time C
LOAD
= 30 pF 4 0.04 0.01
The pins with I
2
C alternative mode available are compliant with I
2
C specification.
All I
2
C pins support Standard mode (Sm), Fast mode (Fm), Fast plus mode (Fm+), and High speed mode
(Hs). The available I
2
C pins are listed in the I/O Multiplexing section. When an I/O pin multiplexing value
is set to an I
2
C function, internal pull-up/pull-down resistors are disabled.
Note: 
1. These values are based on simulation. They are not covered by production test limits or
characterization.
2. The pins PA08, PA09, PA12, PA13, PA16, PA17, PA22, PA23, PD08, PD09 have faster fall-time in
I2C Fast Plus mode (Fm+) and High Speed mode (HS). The fall-time can be in 1 ns range in Fm+
mode and in 5 ns range in HS mode.
3. The following pins are Backup pins and have different properties than normal pins: PA00, PA01,
PB00, PB01, PB02, PB03, PC00, PC01.
4. USB pads PA24, PA25 are compliant to the USB standard in USB mode.
54.10 Analog Characteristics
54.10.1 Voltage Regulator Characteristics
54.10.1.1 Buck Converter
Table 54-17. Buck Converter Electrical Characteristics
Symbol Parameter Conditions Min. Typ. Max. Units
P
EFF
Power Efficiency I
OUT
= 100µA - 66 - %
I
OUT
= 100mA - 74 - %
Note:  To obtain the best power efficiency with buck regulator, the following components references must
be used: L
ext
= LQH3NPN100MJOL, C
out
= GRM21BR71A475KA73.
Table 54-18. External Components Requirements in Switching Mode
(1)
Symbol Parameter Conditions Min. Typ. Max. Units
C
IN
(2)
Input regulator capacitor - 10 - µF
Ceramic dielectric X7R - 100 - nF
C
OUT
(3)
Output regulator capacitor 3.76 4.7 - µF
Ceramic dielectric X7R - 100 - nF
ESR C
OUT
External Series Resistance of C
OUT
- - - 0.5
SAM D5x/E5x Family Data Sheet
Electrical Characteristics at 85°C
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1996