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PDF XL7015 Data sheet ( Hoja de datos )
| Número de pieza | XL7015 | |
| Descripción | 0.8A 150KHz 80V Buck DC to DC Converter | |
| Fabricantes | Xlsemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL7015 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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0.8A 150KHz 80V Buck DC to DC Converter
Datasheet
XL7015
Features
Wide 5V to 80V Operation Voltage
Output Adjustable from 1.25V to 20V
Maximum Duty Cycle 100%
Minimum Drop Out 1V
Fixed 150KHz Switching Frequency
Maximum 0.8A Output Current
Recommend output power less than 7W
Internal Optimize HV Power Transistor
High efficiency up to 85%
Excellent line and load regulation
TTL shutdown capability
Built in thermal shutdown function
Built in output short Protection Function
Built in current limit function
TO252-5L package
Applications
Ebike Controller Power Supply
Telecom / Networking Equipment
General Description
The XL7015 is a 150KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 0.8A load with high
efficiency, low ripple and excellent line and
load regulation. Requiring a minimum
number of external components, the regulator
is simple to use and include internal
frequency compensation and a
fixed-frequency oscillator.
The PWM control circuit is able to adjust the
duty ratio linearly from 0 to 100%. An enable
function, an over current protection function
is built inside. When output short protection
function happens, the operation frequency
will be reduced from 150KHz to 45KHz. An
internal compensation block is built in to
minimize external component count.
Rev 1.1
Figure1. Package Type of XL7015
www.xlsemi.com
1
1 page  
0.8A 150KHz 80V Buck DC to DC Converter
Datasheet
XL7015
XL7015 Electrical Characteristics
Ta = 25 ;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB FB Voltage
ŋ Efficiency
ŋ Efficiency
ŋ Efficiency
Vin =20V to 80V
Iload=0.1A to 0.4A
Vin=36V ,Vout=15V
Iout=0.4A
Vin=48V ,Vout=15V
Iout=0.4A
Vin=60V ,Vout=15V
Iout=0.4A
Min. Typ. Max. Unit
1.225 1.25 1.275 V
- 86 - %
- 83 - %
- 81 - %
Electrical Characteristics (DC Parameters)
Vin = 48V, GND=0V, Vin & GND parallel connect a 33uf/100V capacitor; Iout=0.2A, Ta =
25 ; the others floating unless otherwise specified.
Parameters
Symbol
Test Condition
Min. Typ. Max. Unit
Input operation voltage
Vin
5 80 V
Shutdown Supply Current
Quiescent Supply Current
Oscillator Frequency
ISTBY
Iq
Fosc
VEN=2V
VEN=0V,
VFB=Vin
85 200 uA
2.5 5 mA
120 150 180 KHz
Switch Current Limit
EN Pin Threshold
IL VFB=0
High (Regulator OFF)
VEN
Low (Regulator ON)
1
1.6
0.8
A
V
EN Pin Input Leakage
Current
Output Saturation Voltage
Max. Duty Cycle
IH
IL
VCE
DMAX
VEN=2.5V (OFF)
VEN=0.5V (ON)
VFB=0V
Iout=0.5A
VFB=0V
6 20
1 10
0.87
100
uA
uA
V
%
Rev 1.1
www.xlsemi.com
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet XL7015.PDF ] | |
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