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TS3406 Datasheet(PDF) 2 Page - Taiwan Semiconductor Company, Ltd

Part No. TS3406
Description  600mA / 1.5MHz Synchronous Buck Converter
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Maker  TSC [Taiwan Semiconductor Company, Ltd]
Homepage  http://www.taiwansemi.com
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TS3406 Datasheet(HTML) 2 Page - Taiwan Semiconductor Company, Ltd

   
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TS3406
600mA / 1.5MHz Synchronous Buck Converter
2/7
Version: C12
Absolute Maximum Rating
Characteristics
Symbol
Rating
Unit
VIN Pin Voltage
VIN
Gnd - 0.3 to Gnd + 6
V
Feedback Pin Voltage
VFB
Gnd - 0.3 to VIN + 0.3
V
RUN Pin Voltage
VRUN
Gnd - 0.3 to VIN + 0.3
V
Switch Pin Voltage
VSW
Gnd - 0.3 to VIN + 0.3
V
Peak SW Sink & Source Current
IPSW
1.5
A
Operating Supply Voltage
VOP
+2.5 to +5.5
V
Power Dissipation
PD
(TJ-TA) / θJA
mW
Storage Temperature Range
TST
-40 to +150
oC
Operating Temperature Range
TOP
-40 to +85
oC
Junction Temperature
TJ
+125
oC
Thermal Resistance from Junction to case
θ
JC
110
oC/W
Thermal Resistance from Junction to ambient
θ
JA
250
oC/W
Note1: θJA is measured with the PCB copper area of approximately 1 in
2
(Multi-layer). that need connect to Gnd pin
of the TS3406.
Electrical Specifications (Ta = 25
oC, V
IN=VRUN=3.6V unless otherwise noted)
Characteristics
Symbol
Conditions
Min
Typ
Max
Units
Feedback Voltage
VFB
TA =25℃,IOUT=50mA
0.588
0.6
0.612
V
Quiescent Current
ICCQ
VFB=0.5V
--
270
400
uA
Feedback Bias Current
IFB
VFB =0.65V
--
--
±30
nA
Shutdown Supply Current
ISD
VRUN =0V
--
0.08
1
uA
Maximum Output Current
IOUT(MAX)
VCC =3V
0.6
--
--
A
Current Limit
ILIMIT
VCC =3V
0.85
1.2
--
A
Line Regulation
△VOUT/VOUT
VCC = 2.5V~5.5V
--
0.5
1
%
Load Regulation
△VOUT/VOUT
IOUT = 0.01 to 0.6A
--
0.4
0.6
%
Oscillation Frequency
FOSC
SW pin
1.2
1.5
1.8
MHz
Frequency of SCP
FOSC1
SW pin
--
300
--
KHz
RDS(ON) of P-CH MOSFET
RDSON
ISW = 300mA
--
0.30
0.50
RDS(ON) of N-CH MOSFET
RDSON
ISW = -300mA
--
0.20
0.45
Efficiency
EFFI
VOUT=1.8V,IOUT= 0.5A
--
89
--
%
RUN Threshold
VRUN
0.3
0.45
1.3
V
RUN Pin Input Current
IRUN
--
±0.1
±1
uA
Note2: 100% production test at +25°C. Specification s over the temperature range are guaranteed by design and
characterization.


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