TS3406_13 Datasheet, PDF (2/7 Pages) Taiwan Semiconductor Company, Ltd – 600mA / 1.5MHz Synchronous Buck Converter

TS3406
600mA / 1.5MHz Synchronous Buck Converter
Absolute Maximum Rating
Characteristics
Symbol
Rating
Unit
V_IN Pin Voltage
V_IN
Gnd - 0.3 to Gnd + 6
V
Feedback Pin Voltage
V_FB
Gnd - 0.3 to V_IN + 0.3
V
RUN Pin Voltage
V_RUN
Gnd - 0.3 to V_IN + 0.3
V
Switch Pin Voltage
V_SW
Gnd - 0.3 to V_IN + 0.3
V
Peak SW Sink & Source Current
I_PSW
1.5
A
Operating Supply Voltage
V_OP
+2.5 to +5.5
V
Power Dissipation
P_D
(T_J-T_A) / θ_JA
mW
Storage Temperature Range
T_ST
-40 to +150
o_C
Operating Temperature Range
T_OP
-40 to +85
o_C
Junction Temperature
T_J
+125
o_C
Thermal Resistance from Junction to case
θ_JC
110
o_C/W
Thermal Resistance from Junction to ambient
θ_JA
250
o_C/W
2
Note1: θ_JA is measured with the PCB copper area of approximately 1 in (Multi-layer). that need connect to Gnd pin
of the TS3406.
Electrical Specifications (Ta = 25^oC, V_IN=V_RUN=3.6V unless otherwise noted)
Characteristics
Symbol
Conditions
Min
Typ
Max Units
Feedback Voltage
V_FB
T_A =25℃,I_OUT=50mA
0.588
0.6
0.612
V
Quiescent Current
I_CCQ
V_FB=0.5V
--
270
400
uA
Feedback Bias Current
I_FB
V_FB =0.65V
--
--
±30
nA
Shutdown Supply Current
I_SD
V_RUN =0V
--
0.08
1
uA
Maximum Output Current
I_OUT(MAX)
V_CC =3V
0.6
--
--
A
Current Limit
I_LIMIT
V_CC =3V
0.85
1.2
--
A
Line Regulation
△V_OUT/V_OUT V_CC = 2.5V~5.5V
--
0.5
1
%
Load Regulation
△V_OUT/V_OUT I_OUT = 0.01 to 0.6A
--
0.4
0.6
%
Oscillation Frequency
F_OSC
SW pin
1.2
1.5
1.8
MHz
Frequency of SCP
F_OSC1
SW pin
--
300
--
KHz
R_DS(ON) of P-CH MOSFET
R_DSON
I_SW = 300mA
--
0.30
0.50
Ω
R_DS(ON) of N-CH MOSFET
R_DSON
I_SW = -300mA
--
0.20
0.45
Ω
Efficiency
E_FFI
V_OUT=1.8V,I_OUT= 0.5A
--
89
--
%
RUN Threshold
V_RUN
0.3
0.45
1.3
V
RUN Pin Input Current
I_RUN
--
±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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Version: C12