User's Guide

ATOP3.5G Product Description
80447ST10636A rev.10 – 2015-03-03
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Reserved. Page 36 of 66
Mod. 0808 2011-07 Rev.2
13.2 Current sources
Table 14 VDD_3V0_SRC current source
Can be used to supply external components.
Symbol Parameter Conditions Min Typ Max Unit
Pin: VDD_3V0_SRC
V
o
output voltage
for T
a
m
b
= 40 °C to +85 °C
2.9 3.0 3.1 V
I
o
output current - - 50 mA
t
on
turn-on time measured from the moment
VDD_3V0_SRC_ENA exceeds 1.4 V [1]
- 240 - μs
Load regulation
∆V
O
/(V
O
x∆I
O
) relative output voltage
variation with output
current
[1] - 0.002 0.004 %/mA
Line regulation
∆V
O
/(V
O
x∆V
I
) relative output voltage
variation with input
for V
BAT(VBAT_MC_SNK)
variation [1]
0.1
0.02 0.1 %/V
[1] Parameter is indicative and taken from supplier data sheet.
Table 15 VSIM_SRC current source
To be only used to supply SIM cards
[1]
. Parameters mentioned in this table are indicative and taken from supplier data
sheets.
Symbol Parameter Conditions Min Typ Max Unit
Pin: VSIM_SRC
V
o
output voltage for ISO7816-3 class B SIMs 2.80 - 3.00 V
for ISO7816-3 class C SIMs 1.7 - 1.80 V
I
o
output current full power mode - - 150 mA
sleep mode - - 3 mA
[1] Voltage is dynamically controlled to reduce power consumption when SIM card is not accessed.