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XC9502 Datasheet(PDF) 40 Page - Torex Semiconductor

Part # XC9502
Description  2ch. Step-up / down DC/DC Controller ICs
PDF  40 Pages
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Manufacturer  TOREX [Torex Semiconductor]
Direct Link  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC9502 Datasheet(HTML) 40 Page - Torex Semiconductor

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Load Transient Response
[2 channel : Step-down DC/DC Controller]
<PWM Control
PWM/PFM Switching Control>
<Soft Start Wave Form>
* EN1=GND
40
XC9502 Series
2ch. Step-up / down DC/DC Controllers ICs
0.65V
3.3V
CH1
CH2
400
µsec/div
CH1:VOUT2 , AC-COUPLED ,10mV/div
CH2:PWM2 , 0.5V/div
0V
FOSC=300kHz, VOUT2=3.3V
VIN=5.0V, IOUT2=5mA PWM2 ’L’ ’H’
0.65V
3.3V
CH1
CH2
200
µsec/div
0V
FOSC=300kHz, VOUT2=3.3V
VIN=5.0V, IOUT2=5mA PWM2 ’H’
’L’
CH1:VOUT2, AC-COUPLED ,20mV/div
CH2:PWM2, 0.5V/div
FOSC=300kHz, VOUT2=3.3V
VIN=5.0V, IOUT2=300mA EN2 ’L’
→’H’
CIN=47
µF
CH1
CH2
CH3
3.3V
0.65V
200mA
4ms/div
CH1:VOUT2 , 2.0V/div
CH2:IIN2, 100mA/div
CH3:EN2 , 0.5V/div
FOSC=300kHz, VOUT2=3.3V
VIN=5.0V, IOUT2=100mA EN2 ’L’
→’H’
CIN=47
µF
CH1
CH2
CH3
3.3V
0.65V
75mA
4ms/div
CH1:VOUT2 , 2.0V/div
CH2:IIN2, 50mA/div
CH3:EN2 , 0.5V/div



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