XC6371
Series
XC6371D501PR
PARAMETER
Output Voltage
V
OUT
=5.0V,F
OSC
=100kHZ
SYMBOL
V
OUT
V
IN
V
ST1
V
ST2
I
DD
1
I
DD
2
R
EXTH
R
EXTL
F
OSC
MAXDTY
I
STB
V
CEH
V
CEL
I
CEH
I
CEL
EFFI
T
SS
4.0
External Components Connected. I
OUT
=1mA.
No external components.
Apply voltage to Vout.
Same as V
ST
2.
Apply output voltage✕0.95 to V
OUT
.
Same as V
ST
2.
Apply output voltage✕1.1 to V
OUT
.
Same as I
DD
1. V
EXT
=–0.4V.
Same as I
DD
1. V
EXT
=0.4V.
Same as I
DD
1. Measuring of EXT waveform.
Same as I
DD
1. Measuring of EXT waveform.
Same as I
DD
1.
Same as I
DD
1. Existence of Lx Oscillation.
Same as I
DD
1. Disappearance of Lx Oscillation.
Same as I
DD
1.V
CE
=V
OUT
✕0.95.
Same as I
DD
1.V
CE
=0V.
85
10.0
20.0
0.75
0.20
0.25
–0.25
85
80
40.0
8.2
37.5
30
100
87
CONDITIONS
MIN
TYP
Ta=25°C
MAX UNITS
5.125
V
V
0.90
0.80
66.8
16.5
62.5
50
115
92
0.5
V
V
µA
µA
Ω
Ω
kHz
%
µA
V
V
µA
µA
%
ms
4.875 5.000
10
Maximum Input Voltage
Operation Start-up Voltage
Oscillation Start-up Voltage
Supply Current 1
Supply Current 2
EXT "High" On Resistance
EXT "Low" On Resistance
Oscillator Frequency
4
Maximum Duty Ratio
Stand-by Current
CE"High"Voltage
CE"Low"Voltage
CE"High"Current
CE"Low"Current
Efficiency
Slow-Start Time
Measuring conditions: Unless otherwise specified, connect CE to V
OUT,
V
IN
=V
OUT
✕
0.6, I
OUT
=50mA. See Typical Application Circuits,Fig.4.
XC6371E501PR
PARAMETER
Output Voltage
V
OUT
=5.0V,F
OSC
=100kH
Z
SYMBOL
V
OUT
V
IN
V
ST1
V
ST2
I
DD
1
I
DD
2
R
SWON
I
LXL
F
OSC
MAXDTY
VLxLMT
EFFI
T
SS
4.0
External Components Connected. I
OUT
=1mA.
No external components.
Apply voltage to V
OUT
.
Same as V
ST
2.
Apply output voltage✕0.95 to V
OUT
.
Same as V
ST
2.
Apply output voltage✕1.1 to V
OUT
.
Same as I
DD
1. V
LX
=0.4V.
No external components. V
OUT
=V
LX
=10V.
Same as I
DD
1. Measuring of Lx waveform.
Same as I
DD
1. Measuring of Lx waveform.
Same as I
DD
1.
Apply output voltage to Lx.
Voltage required to produce F
OSC
✕2.
85
80
0.7
85
10.0
20.0
100
87
80.2
8.2
1.4
CONDITIONS
MIN
10
0.90
0.80
133.8
16.5
2.4
1.0
115
92
1.3
TYP
4.875 5.000
5.125
Ta=25°C
MAX UNITS
V
V
V
V
µA
µA
Ω
µA
kHz
%
V
%
ms
Maximum Input Voltage
Operation Start-up Voltage
Oscillation Start-up Voltage
Supply Current 1
Supply Current 2
Lx Switch-On Resistance
Lx Leakage Current
Osicillator Frequency
Maximum Duty Ratio
Lx Limit Voltage
Efficiency
Slow-Start Time
Measuring conditions: Unless otherwise specified, connect V
DD
to V
out,
V
IN
=V
OUT
✕
0.6, I
OUT
=50mA. SeeTypical Application Circuits,Fig.5.
Note: When the V
DD
and V
OUT
pins are independently used, the voltage range at the V
DD
pin should be 2.2V to 10V.
The IC operates from V
DD
=0.8V. However, output voltage and oscillator frequency are properly stabilized when V
DD
=2.2V or higher.
444
TOREX [ TOREX SEMICONDUCTOR ]
