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TS2580CSRL Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

Part # TS2580CSRL
Description  2A / 52KHz Buck Switching Regulator
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Manufacturer  TSC [Taiwan Semiconductor Company, Ltd]
Direct Link  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS2580CSRL Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd

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TS2580
2A / 52KHz Buck Switching Regulator
2/5
Version: B11
Electrical Specifications (Ta = 25
oC unless otherwise noted, V
IN=12V, ILOAD =0.5A)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Output Feedback
VFB
4.5V≤ VIN ≤40V
0.2A≤ ILOAD ≤3A
1.180
1.23
1.280
V
Efficiency
η
VIN =12V, ILOAD =3A, VOUT =3.3V
--
78
--
%
Feedback Bias Current
IFB
VFB = 1.3V (Adjustable Version)
--
10
50
nA
Oscillator Frequency
FOSC
40
52
65
KHz
Current Limit
ICL
Pear Current, no outside circuit
VFB =0V force driver on
2.2
--
--
A
Saturation Voltage
VSAT
IOUT=2A, No outside circuit
VFB =0V force driver on
--
1.2
1.4
V
ON/OFF Pin Logic Input
Threshold Voltage
VIL
Low (regulator ON)
--
1.3
0.6
V
VIH
High (regulator OFF)
2.0
--
ON/OFF Pin Logic Input Current
IL
VLOGIC =2.5V (OFF)
--
-0.1
-10
µA
IH
VLOGIC =0V (ON)
--
-0.01
-1
Maximum Duty Cycle (ON)
DC
VFB =0V force driver on
--
100
--
%
Maximum Duty Cycle (OFF)
VFB =1.5V for ADJ version force
driver off
--
0
--
Quiescent Current
IQ
VFB =1.5V force driver off
--
4
8
mA
Standby Quiescent Current
ISTBY
ON/OFF pin=5V
VIN =40V
--
100
200
µA
SW Pin Leakage
Current
SW pin=0V
ISWL
No outside circuit, VFB =1.5V for
ADJ version force force driver off
--
--
-200
uA
SW pin=-0.8B
VIN =40V force driver off
--
-5
--
mA
Block Diagram


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