0311_XC6381 Datasheet, PDF (10/12 Pages) Torex Semiconductor – PFM CONTROLLED STEP UP DC/DC CONVERTERS

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XC6381E301MR VOUT=3.0V
PARAMETER
SYMBOL
Output Voltage
VOUT
CONDITIONS
L,SD,CL etc. connected
MIN
2.925
TYP
3.000
Ta=25°C
MAX UNITS
3.075 V
Maximum Input Voltage
VIN
10
V
Oscillation Start-up Voltage
VST
IOUT=1mA.
0.80 0.90 V
Oscillation Hold Voltage
VHLD
IOUT=1mA.
0.70
V
No-Load Input Current
IIN
IOUT=0mA(Note1)
4.6
9.3 µA
Supply Current 1 (Note 2)
IDD1
VIN=VOUT ✕ 0.95
29.3 58.7 µA
Supply Current 2
IDD2
VIN=VOUT+0.5V
2.1
4.2 µA
Lx Switch-On Resistance
RSWON
Same as IDD1. VLX=0.4V
5.2
7.9
Ω
Lx Leakage Current
ILXL
No external components. VOUT=VLX=10V
1.0 µA
Duty Ratio
DTY
Same as IDD1
Measuring of LX waveform.
53
58
63
%
4
Maximum Oscillation Frequency MAXFOSC
Lx Limit Voltage
VLxLMT
Same as IDD1. 58% duty.
Same as IDD1. FOSC>MAXFOSC ✕ 2
131.75 155 178.25 kHz
0.7
1.1
V
Efficiency
EFFI
L,SD,CL etc. connected
80
%
Measuring conditions: Unless otherwise specified, connect VDD to VOUT, VIN=VOUT ✕ 0.6, IOUT=30mA. See Typical Application Circuits, Fig.3.
Note: 1. The Schottky diode (SD) must be type MA735, with reverse current (IR)<1.0µA at reverse voltage (VR)=10.0V.
2. "Supply Current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically operates
which results in less average power consumption. The current actually provided by an external VIN source is represented by "No-Load Input
Current (IIN)".
* When the VDD and VOUT pins are independently used, the voltage range at the VDD pin should be 2.2V to 10V.
The IC operates from VDD=0.8V. However, output voltage and oscillator frequency are properly stabilized when VDD=2.2V or higher.
XC6381E501MR VOUT=5.0V
PARAMETER
SYMBOL
Output Voltage
VOUT
CONDITIONS
L,SD,CL etc. connected
MIN
4.875
TYP
5.000
Ta=25°C
MAX UNITS
5.125 V
Maximum Input Voltage
VIN
10
V
Oscillation Start-up Voltage
VST
IOUT=1mA
0.80 0.90 V
Oscillation Hold Voltage
VHLD
IOUT=1mA
0.70
V
No-Load Input Current
IIN
IOUT=0mA,(Note1)
5.3 10.6 µA
Supply Current 1 (Note 2)
IDD1
VIN=VOUT ✕ 0.95
47.8 95.7 µA
Supply Current 2
IDD2
VIN=VOUT+0.5V
2.4
48
µA
Lx Switch-On Resistance
RSWON
Same as IDD1. VLX=0.4V.
2.8
4.3
Ω
Lx Leakage Current
ILXL
No external components. VOUT=VLX=10V.
1.0 µA
Duty Ratio
DTY
Same as IDD1.
Measuring of LX waveform.
53
58
63
%
Maximum Oscillation Frequency MAXFOSC
Same as IDD1. 58% duty.
131.75 155 178.25 kHz
Lx Limit Voltage
VLxLMT
Same as IDD1. FOSC>MAXFOSC ✕ 2
0.7
1.1
V
Efficiency
EFFI
L,SD,CL etc. connected
85
%
Measuring conditions: Unless otherwise specified, connect VDD to VOUT, VIN=VOUT ✕ 0.6, IOUT=50mA. See Typical Application Circuits, Fig.3.
Note: 1. The Schottky diode (SD) must be type MA735, with reverse current (IR)<1.0µA at reverse voltage (VR)=10.0V.
2. "Supply Current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically operates
which results in less average power consumption. The current actually provided by an external VIN source is represented by "No-Load Input
Current (IIN)".
* When the VDD and VOUT pins are independently used, the voltage range at the VDD pin should be 2.2V to 10V.
The IC operates from VDD=0.8V. However, output voltage and oscillator frequency are properly stabilized when VDD=2.2V or higher.
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