HT45F3520 Datasheet, PDF (16/134 Pages) Holtek Semiconductor Inc – Personal Care Flash MCU

HT45F3520/HT45F3530
Personal Care Flash MCU
LVR Electrical Characteristics
Symbol
Parameter
VLVR
Low Voltage Reset Voltage
VBG
Bandgap Reference Voltage
tLVR
Minimum Low Voltage Width to Reset
Test Conditions
VDD
Conditions
— LVR Enable
—
—
—
—
Ta=25°C
Min. Typ. Max. Unit
-5% 2.1 +5% V
-5% 1.04 +5% V
120 240 480 μs
DC/DC (Boost) Electrical Characteristics
Ta=25°C
Symbol
Parameter
VBAT
Battery Input Voltage Range
IDCSTB Standby Supply Current
LIN
IL
RIL
CIN
COUT
Input Inductor Value
Input Inductor Current Rating
Inductor DC Resistance
Input Capacitor Value
Capacitance Connect to Output
VOUT
Output Voltage Range
ΔVLOAD Output Load Regulation
Test Conditions
VDD
Conditions
Min. Typ. Max. Unit
— ^{VOUT = 2.85V/3.0V/3.15V/3.3V}
VOUT = 5V
0.9 — 2.8 V
0.9 — 4.4 V
VBAT = 0.9V, MCU HALT (the most
power saving mode), DCDIS=1, — — 2 μA
WDT disable, No load
—
VBAT = 1.8V, MCU HALT (the most
power saving mode), DCDIS = 1, — — 2 μA
WDT disable, No load
—
—
2.2 4.7 10 μH
—
—
250 — — mA
—
—
— — 0.5 Ω
—
—
2.2 10 — μF
—
—
2.2 10 — μF
VOUT=2.85V, COUT=10μF,
— CIN=10μF, LIN=3.3μH,
ILOAD=1mA
2.85
VOUT=3.0V, COUT=10μF,
— CIN=10μF, LIN=3.3μH,
3.0
ILOAD=1mA
VOUT=3.15V, COUT=10μF,
— CIN=10μF, LIN=3.3μH,
ILOAD=1mA
- 5% _3.15 + 5% V
VOUT=3.3V, COUT=10μF,
— CIN=10μF, LIN=3.3μH,
3.3
ILOAD=1mA
—
VOUT=5.0V, COUT=10μF,
CIN=10μF, LIN=3.3μH, ILOAD=1mA
5.0
VOUT=3.0V, COUT=10μF,
— CIN=10μF, LIN=3.3μH,
ILOAD=1 to 20mA
VOUT=3.3V, COUT=10μF,
— CIN=10μF, LIN=3.3μH
ILOAD=1 to 18mA
-2 — +2 %
VOUT=5.0V, COUT=10μF,
— CIN=10μF, LIN=3.3μH
ILOAD=1 to 12mA
POUT
Output Power
—
—
— — 60 mW
Rev. 1.10
16
December 13, 2016