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PDF XL7005 Data sheet ( Hoja de datos )
| Número de pieza | XL7005 | |
| Descripción | 0.4A 150KHz 65V Buck DC to DC Converter | |
| Fabricantes | Xlsemi | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XL7005 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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0.4A 150KHz 65V Buck DC to DC Converter
Datasheet
XL7005
Features
n Wide 5V to 65V Operation Voltage
n Output Adjustable from 1.25V to 25V
n Maximum Duty Cycle 100%
n Minimum Drop Out 1V
n Fixed 150KHz Switching Frequency
n Maximum 0.4A Output Current
n Recommend output power less than 5W
n Internal Optimize HV Power Transistor
n High efficiency up to 85%
n Excellent line and load regulation
n TTL shutdown capability
n Built in thermal shutdown function
n Built in output short Protection Function
n Built in current limit function
n SOP8-EP (Exposed PAD) package
Applications
n Ebike Controller Power Supply
n Telecom / Networking Equipment
General Description
The XL7005 is a 150KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 0.4A 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 3.0
Figure1. Package Type of XL7005
www.xlsemi.com
1
1 page  
0.4A 150KHz 65V Buck DC to DC Converter
Datasheet
XL7005
XL7005 Electrical Characteristics
Ta = 25℃;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB FB Voltage
Efficiency
ŋ
Efficiency
ŋ
Efficiency
ŋ
Vin = 36V to 65V
Iload=0.05A to 0.3A
Vin=36V ,Vout=15V
Iout=0.3A
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
- 85 - %
- 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 65 V
Shutdown Supply Current
Quiescent Supply Current
Oscillator Frequency
ISTBY
Iq
Fosc
VEN=2V
VON/OFF =0V,
VFB =Vin
85 200 uA
2.5 5 mA
120 150 180 KHz
Switch Current Limit
IL
VFB =0
0.4 A
EN Pin Threshold
VEN
High (Regulator OFF)
Low (Regulator ON)
1.6
0.8
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=0.4A
VFB=0V
6 20 uA
1 10 uA
0.87 V
100 %
Rev 3.0
www.xlsemi.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet XL7005.PDF ] | |
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