STNRGPF01
Electrical characteristics
5.3
Operating conditions
The device must be used in operating conditions that respect the parameters listed in
Table 7. In addition, a full account must be taken for all physical capacitor characteristics
and tolerances.
Table 7. General operating conditions
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
V
DD1, VDDA1 Operating voltages
-
-
-
3
-
-
5
5.5
VDD, VDDA Nominal operating voltages
Core digital power supply
-
-
V
-
1.8(1)
C
VCOUT: capacitance of
470
-
3300
nF
external capacitor(2)
VCOUT
at 1 MHz
ESR of external capacitor(1)
ESL of external capacitor(1)
FR4 multilayer PCB
0.05
-
-
0.2
15
-
nH
-
-
(3)
JA
TSSOP38
80
-
°C/W
°C
TA
Ambient temperature
Pd = 100 mW
-40
105
1. Internal core power supply voltage.
2. Care should be taken when the capacitor is selected due to its tolerance, its dependency on temperature,
DC bias and frequency.
3. To calculate PDmax (TA), use the formula PDmax = (TJmax - TA)/JA
.
Table 8. Operating conditions at power-up/power-down
Parameter
Conditions Min.(1) Typ. Max.(1) Unit
VDD rise time rate
Symbol
-
2 µs/V
2 µs/V
-
-
-
1 s/V(2)
1 s/V(2)
-
tVDD
VDD fall time rate
-
tTEMP
VIT+
VIT-
Reset release delay
VDD rising
3
ms
V
Power-on reset threshold
Brownout reset threshold
-
-
-
2.65
2.8
2.98
2.88
-
2.58 2.73
70
VHYS(BOR) Brownout reset hysteresis
-
mV
1. Guaranteed by design, not tested in production.
2. The power supply ramp must be monotone.
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