XC6371A TOREX [Torex Semiconductor], XC6371A Datasheet - Page 7

• Manufacturer Part Number: XC6371A
• Description: PWM Controlled Step-Up DC/DC Controllers/Converters
• Manufacturer: TOREX [Torex Semiconductor]

■ELECTRICAL CHARACTERISTICS (Continued)
XC6371/72E501PR
NOTE: Unless otherwise stated, connect V
*1: The Schottky diode (SD) must be type MA2Q735, with reverse current (I
*2: "Supply current 1" is the supply current while the oscillator is continuously oscillating. In actual operation the oscillator periodically
*3: When PWM operates at PWM Mode.
*4: When PFM operates at PFM Mode.(XC6372E)
*5: When the V
Oscillation Start Voltage
Maximum Input Voltage
Operation Start Voltage
No Load Input Voltage
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio (*4)
Supply Current 1
Supply Current 2
operates which results in less average power consumption. The current actually provided by external V
Load Input Current (I
V
Lx Leak Current
Lx Limit Voltage
Slow-Start Time
Output Voltage
DD
PARAMETER
Lx Switch-On
Resistance
=0.8V. However, output voltage and oscillation frequency are properly stabilized when V
Efficiency
DD
and V
OUT
IN
)".
pins are independently used, the voltage range at the V
SYMBOL
MAXDTY
PFMDTY
R
V
FOSC
V
EFFI
V
V
I
I
SWON
I
LxLMT
T
V
DD1
DD2
LXL
I
OUT
ST1
ST2
IN
SS
IN
V
OUT
DD
=5.0V, FOSC=100kHz
External Components Connected, I
Apply voltage to V
to V
No external components, V
Same as I
Same as I
Same as I
Same as I
Voltage required to produce FOSC×2
OUT
Apply output voltage×0.95 to V
Apply output voltage×1.1 to V
V
, V
IN
No external components,
IN
Same as I
=V
=V
DD1
DD1
DD1
DD1
OUT
OUT
Same as V
Same as V
CONDITIONS
, Measuring of Lx waveform
, Measuring of Lx waveform
, Measuring of Lx waveform
, Apply output voltage to Lx,
×0.8, I
×0.6, I
OUT
DD1
, Lx:10kΩpull-up to 5V
OUT
, V
OUT
ST2
ST2
R
LX
=50mA. See Typical Application Circuits, Circuit 3.
)<1.0μA at reverse voltage (V
=0mA(*1)
OUT
=0.4V
,
,
=V
DD
OUT
OUT
LX
OUT
pin should be 2.2V to 10V. The IC operates from
=10V
=1mA
DD
=2.2V or higher.
4.875
MIN.
XC6371/XC6372/XC6373
0.7
4.0
10
85
80
10
-
-
-
-
-
-
-
-
IN
R
)=10.0V.(XC6372E)
source is represented by "No
5.000
TYP.
12.8
80.2
10.0
100
8.2
1.4
87
17
85
-
-
-
-
-
133.8
MAX.
5.125
0.90
0.80
25.7
16.5
20.0
115
2.4
1.0
1.3
92
25
-
-
Ta=25℃
UNITS
Series
kHZ
7/19
μA
μA
μA
μA
ms
Ω
%
%
%
V
V
V
V
V