XL1530 Datasheet PDF - XLSEMI
| Part Number | XL1530 | |
| Description | 3A 380KHz 18V Buck DC to DC Converter | |
| Manufacturers | XLSEMI | |
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3A 380KHz 18V Buck DC to DC Converter
Datasheet
XL1530
Features
Wide 3.6V to 18V Input Voltage Range
Output Adjustable from 0.8V to 16V
Maximum Duty Cycle 100%
Minimum Drop Out 0.6V
Fixed 380KHz Switching Frequency
3A Constant Output Current Capability
Internal Optimize Power MOSFET
High efficiency
Excellent line and load regulation
TTL shutdown capability
EN pin with hysteresis function
Built in thermal shutdown function
Built in current limit function
Built in output short protection function
Available in SOP8 package
Applications
LCD Monitor and LCD TV
Digital Photo Frame
Set-up Box
ADSL Modem
Telecom / Networking Equipment
General Description
The XL1530 is a 380KHz fixed frequency
PWM buck (step-down) DC/DC converter,
capable of driving a 3A 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 short protection function
happens, the operation frequency will be
reduced from 380KHz to 80KHz. An internal
compensation block is built in to minimize
external component count.
Rev 1.0
Figure1. Package Type of XL1530
1
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3A 380KHz 18V Buck DC to DC Converter
Datasheet
XL1530
XL1530 Electrical Characteristics
Ta = 25 ;unless otherwise specified.
Symbol Parameter
Test Condition
System parameters test circuit figure4
VFB
Efficiency
Feedback
Voltage
ŋ
Vin = 7V to 18V, Vout=5V
Iload=0.2A to 3A
Vin=12V ,Vout=5V
Iout=3A
Min. Typ. Max. Unit
0.776 0.8 0.824 V
- 88 - %
Electrical Characteristics (DC Parameters)
Vin = 12V, GND=0V, Vin & GND parallel connect a 220uf/50V capacitor; Iout=500mA, Ta = 25 ;
the others floating unless otherwise specified.
Parameters
Symbol
Test Condition
Min. Typ. Max. Unit
Input operation voltage
Vin
3.6 18 V
Shutdown Supply Current
Quiescent Supply Current
Oscillator Frequency
ISTBY
Iq
Fosc
VEN=0V
VEN =2V,
VFB =Vin
60 200 uA
3 5 mA
323 380 437 Khz
Switch Current Limit
IL
VFB =0
4.7 A
EN Pin Threshold
VEN
High (Regulator ON)
Low (Regulator OFF)
1.4
0.8
V
EN Pin Input Leakage
Current
Max. Duty Cycle
IH
IL
DMAX
VEN =2V (ON)
VEN =0V (OFF)
VFB=0V
1 15 uA
1 15 uA
100 %
Rev 1.0
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for XL1530 electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ XL1530.PDF Datasheet ] | |
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