參數(shù)資料
型號(hào)： XC6372A501PR
英文描述： Analog IC
中文描述： 模擬IC
文件頁(yè)數(shù)： 4/10頁(yè)
文件大小： 59K
代理商： XC6372A501PR
e
-55
XC6372 Series
I
Electrical Characteristics
Dual Mode [PWM/PFM] Step-up DC/DC Converters
XC6372A501PR
Ta=25
:
UNITS
V
V
V
OUT
=5.0V,F
OSC
=100kH
Z
XC6372B501PR
Ta=25
:
V
OUT
=5.0V,F
OSC
=100kH
Z
Measuring conditions: Unless otherwise specified,V
IN
=V
OUT
0.6, I
OUT
=50mA. See Typical Application Circuits, Fig.1.
1. The Schottky diode (SD) must be type MA735, with reverse current (I
R
)<1.0
μ
A at reverse voltage (V
R
)=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 V
IN
source is represented by "No-Load Input Current(I
IN
)".
3. When PWM operates.
4. When PFM operates.
PARAMETER
Output Voltage
Maximum Input Voltage
Operation Start-up Voltage
Oscillation Start-up Voltage
No Load Input Current
Supply Current 1
(Note2)
Supply Current 2
L
X
Switch-On Resistance
L
X
Leakage Current
Oscillator Frequency(Note 3)
Maximum Duty Ratio
PFM Duty Ratio(Note 4)
Efficiency
Slow-Start Time
PARAMETER
Output Voltage
Maximum Input Voltage
Operation Start-up Voltage
Oscillation Start-up Voltage
V
OUT
V
IN
V
ST1
V
ST2
I
DD
1
I
DD
2
REXTH
REXTL
FOSC
MAXDTY
PFMDTY
EFFI
TSS
Supply Current 1
(Note1)
Supply Current 2
EXT "High" On Resistance
EXT "Low" On Resistance
Oscillator Frequency
(Note 2)
Maximum Duty Ratio
PFM Duty Ratio
(Note 3)
Efficiency
Slow-Start Time
L
X
Limit Voltage
SYMBOL
V
OUT
V
IN
V
ST1
V
ST2
I
IN
I
DD
1
I
DD
2
RSWON
I
LXL
FOSC
MAXDTY
PFMDTY
EFFI
TSS
SYMBOL
VLxLMT
CONDITIONS
External Components Connected.
I
OUT
=1mA.
No external components.
Apply voltage to V
OUT
.
V
IN
=V
OUT
0.8, I
OUT
=0mA(Note1)
Same as V
ST
2
.
Apply output voltage
0.95 to VOUT.
Same as V
ST
2
.
Apply output voltage
1.1 to VOUT.
Lx:10k
pull-up to 5V.
Same as I
DD
1. VLX=0.4V.
No external components. VOUT=VLX=10V.
Same as I
DD
1.
Measuring of L
X
waveform.
Same as I
DD
1.
Measuring of L
X
waveform.
Same as I
DD
1.
Measuring of L
X
waveform.
Same as I
DD
1.
Apply output voltage to Lx.
Voltage required to produce FOSC
2.
CONDITIONS
External Components Connected.
I
OUT
=1mA.
No external components.
Apply voltage to VOUT.
Same as V
ST
2
.
Apply output voltage
0.95 to VOUT.
Same as V
ST
2
.
Apply output voltage
1.1 to VOUT.
Same as I
DD
1. V
EXT
=–0.4V.
Same as I
DD
1. V
EXT
=0.4V.
Same as I
1.
Measuring of EXT waveform.
Same as I
1.
Measuring of EXT waveform.
Same as I
1.
Measuring of EXT waveform.
MIN
4.875
10
85
80
10
4.0
0.7
TYP
5.000
12.8
80.2
8.2
1.4
100
87
17
85
10.0
MAX
5.125
0.90
0.80
25.7
133.8
16.5
2.4
1.0
115
92
25
20.0
1.3
V
V
μ
A
μ
A
μ
A
μ
A
kHz
%
%
%
ms
MIN
4.875
10
TYP
5.000
MAX
5.125
UNITS
V
V
0.90
V
0.80
V
40.0
66.8
μ
A
8.2
16.5
μ
A
37.5
62.5
30
50
85
100
115
kHz
80
87
92
%
10
17
25
%
85
10.0
%
ms
4.0
20.0
V
Note:
Measuring conditions: Unless otherwise specified,V
IN
=V
OUT
0.6, I
OUT
=50mA. See Typical Application Circuits, Fig.2.
1. "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.
2. When PWM operates.
3. When PFM operates.
218
Note:
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