User`s guide

Rev. 1.10 14 November 14, 2014 Rev. 1.10 15 November 14, 2014
HT66FW2230
Wireless Charger A/D Flash 8-Bit MCU
Reference Voltage Electrical Characteristics
Ta= 25˚C
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
I
BG
Additional Power Consumption
if V
BG
Reference with Buffer is
used
5V — —
200 300 μA
V
BG
Reference Voltage 5V Ta=25°C -3% 1.04 +3% V
V
REF
Reference Voltage 5V Ta=25°C -3% 2.08 +3% V
I
OPA
OPA Operating Current 5V No load — 200 350 μA
Power on Reset Electrical Characteristics
Ta= 25˚C
Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
V
POR
V
DD
Start Voltage to Ensure
Power-on Reset
— — — — 100 mV
RR
VDD
V
DD
Rising Rate to Ensure
Power-on Reset
— — 0.035 — — V/ms
t
POR
Minimum Time for V
DD
Stays
at V
POR
to Ensure Power-on
Reset
— — 1 — — ms








