AS1302-BTDT 查看數據表（PDF） - austriamicrosystems AG
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AS1302-BTDT Datasheet PDF : 18 Pages
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AS1302
Datasheet - Electrical Characteristics
6 Electrical Characteristics
VBATT = 2.9V to 5.15V, VOUT = 5V, COUT = CBAT = 2.2µF, CFLY1 = CFLY2 =220nF, TAMB = -40 to +85ºC. Typical values
are at TAMB = +25ºC and VIN = 3.3V, unless otherwise specified.
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Min Typ Max Units
VBATT(on) Undervoltage Lockout
Rising VBATT
2.8 2.9
V
VBATT(off) Undervoltage Lockout
Falling VBATT
2.4 2.5 2.8
V
VBATT Battery Supply Voltage
2.9
5.15 V
VOUT Output Voltage Accurracy
IOUT = 0mA, 15mA
4.85 5.0 5.15 V
ΔVO/ΔIO11 Load Regulation in 1:1 Mode
ΔVO/ΔIO23 Load Regulation in 2:3 Mode
ΔVO/ΔIO12 Load Regulation in 1:2 Mode
Vtgr11/23
Vtgr23/12 Mode Switching Voltage
IOUT Load Current1
VBATT = 5.4V, IOUT = 10~30mA
VBATT = 4.3V, IOUT = 10~30mA
VBATT = 3.3V, IOUT = 10~30mA
1:1 / 2:3 mode, falling VBATT
2:3 / 1:2 mode, falling VBATT
Mode switching voltage hysteresis
2
3
mV/mA
3
5.1
V
3.6
150
mV
30 mA
Vripple Output Voltage Ripple
Iinr
Inrush Current2
VBATT = 3.6V, IOUT = 30mA
VBATT = 3.6V, IOUT = 2mA
22
mVPP
40
mVPP
150 mA
Ishort
η12
η23
Short-Circuit Current
Efficiency in Switching Mode
1:2 mode, VBATT = 2.9V,
IOUT = 30mA
2:3 mode, VBATT = 3.8V,
IOUT = 30mA
150 mA
85
%
85
%
IOP12
IOP23 Operating Quiescent Current
IOP11
IOFF Shutdown Current
Input Levels
VBATT = 3.4V (1:2 mode without load)
VBATT = 4.5V (2:3 mode without load)
VBATT = 5.3V (1:1 mode without load)
EN = 0V
240 300
170 230 µA
100 150
0.01 1
µA
VIH
VIL
Timing
Input High Level
Input Low Level
pin EN
1.1
5.5
V
0.0
0.4
V
fOSC Oscillator Frequency
VBATT = 3.6V, IOUT = 30mA
VBATT = 3.6V, IOUT = 2mA
0.9 1.2 1.5 MHz
40
49
65 kHz
tSTART Startup Time
Thermal Regulation
0.5
1
ms
TOFF
Temperature Shutdown
Temperature rising
Hysteresis
145
ºC
10
1. The device is tested in a proprietary test mode.
2. The inrush current is limited by the internal soft-start circuitry.
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Revision 1.02
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