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XC6371A501PR Datasheet(PDF) 9 Page - Torex Semiconductor

Part # XC6371A501PR
Description  PWM Controlled Step-Up DC/DC Controllers/Converters
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6371A501PR Datasheet(HTML) 9 Page - Torex Semiconductor

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XC6371
Series
445
4
XC6371F501PR
Ta=25
°C
VOUT=5.0V,FOSC=100kHZ
PARAMETER
Output Voltage
Maximum Input Voltage
SYMBOL
VOUT
VIN
CONDITIONS
MIN
4.875
10
TYP
5.000
MAX
5.125
UNITS
V
Operation Start-up Voltage
VST1
External Components Connected. IOUT=1mA.
0.90
V
Oscillation Start-up Voltage
VST2
No external components.
Appply voltage to VOUT.
V
Supply Current 1
IDD1
Same as VST2.
Apply output voltage
✕0.95 to VOUT.
Same as VST2.
Apply output voltage
✕1.1 to VOUT.
40.0
66.8
µA
Supply Current 2
IDD2
8.2
16.5
µA
EXT "High" On-Resistance
REXTH
Same as IDD 1. VEXT=–0.4V.
Same as IDD 1.Measuring of EXT waveform.
Same as IDD 1.Measuring of EXT waveform.
Same as IDD 1. VEXT=0.4V.
37.5
62.5
EXT "Low" On-Resistance
REXTL
30
50
Oscillator Frequency
FOSC
100
115
kHz
Maximum Duty Ratio
MAXDTY
85
85
87
92
%
Efficiency
EFFI
85
%
TSS
20.0
Slow-Start Time
4.0
10.0
ms
V
Measuring conditions: Unless otherwise specified, connect VDD to VOUT,VIN=VOUT
✕0.6, IOUT=50mA. See Typical Application Circuits, Fig.6.
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.
Note:
0.80
SOT-89
(TOP VIEW)
12
3
GND
Fig.1 XC6371A Application
VOUT
SOT-89
(TOP VIEW)
VOUT
Fig.2 XC6371B Application
13
2
GND
CL
(Tantalum)
CL
(Tantalum)
L
SD
SD
VIN
VIN
L
Tr
CB
RB
CIN
CIN
L
: 100
µH (SUMIDA, CR-54)
SD : MA2Q735 (Schottky diode; MATSUSHITA)
CL : 16V 47
µF (Tantalum capacitor; NICHCON, MCE)
CIN : 16V220
µF (Alminium Electrolytic Capacitor)
L: 47
µH (SUMIDA, CR-54)
SD : MA2Q735 (Schottky diode; MATSUSHITA)
CL : 16V 47
µF (Tantalum capacitor; NICHCON MCE)
CIN : 16V220
µF (Alminium Electrolytic Capacitor)
RB :1k
Ω, CB:3300pF (FOSC=100kHz)
Tr : 2SC3279, 2SD1628G
■Typical Application Circuits
04S_04XC6371 02.09.12 14:44 ページ 445


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