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ST1S03AIPUR Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças ST1S03AIPUR
Descrição Electrónicos  1.5 A, 1.5 MHz adjustable, with inhibit function step-down switching regulator
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S03AIPUR Folha de dados(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
ST1S03A
6/14
4
Electrical characteristics
Table 5.
Electrical characteristics
(VIN_SW = VIN_A = VINH = 5 V, CI = 4.7 µF, CO = 22 µF, L1 = 3.3 µH, TJ = 0 to 125 °C (unless
otherwise specified. Typical values are referred to 25 °C)
Note: 1 Guaranteed by design, but not tested in production
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
FB
Feedback voltage
784
800
816
mV
IFB
VFB pin bias current
600
nA
IQ
Quiescent current
VINH > 1.2V
1.5
mA
VINH < 0.4V
1µA
VINH
Inhibit threshold
Device ON
1.2
V
Device OFF
0.4
IO
Output current
VI = 2.7 to 5.5V
1.5
A
IMIN
Minimum output current
1
mA
%VO/ΔVI
Reference line regulation
VI = 2.7V to 5.5V
0.2
%VO/
ΔVI
%VO/ΔIO
Reference load regulation
IO = 10mA to 1.5A
0.2
%VO/
ΔIO
PWMfS
PWM switching frequency
VFB = 0.7V, TA = 25°C Note 1
1.2
1.5
1.8
MHz
DMAX
Maximum duty cycle
VFB = 0.7V
87
%
ISW
Switching current limitation
2.5
A
VDS
Switch VDS
ISW = 800mA
200
mV
ν
Efficiency
IO = 10mA to 100mA, VO = 3.3V
70
%
IO = 100mA to 1.5A, VO = 3.3V
85
TSHDN
Thermal shutdown
Note 1
130
150
°C
THYS
Thermal shutdown hysteresis
Note 1
15
°C
%VO/ΔIO
Load transient response
IO = 100mA to 1.5A, TA = 25°C
tR = tF ≥ 100ns, Note 1
-3
+3
%VO
%VO/ΔIO
@
IO=Short
Short circuit removal response
IO = 10mA to short, TA = 25°C
Note 1
-10
+10
%VO


Nº de peça semelhante - ST1S03AIPUR

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
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STMicroelectronics		 ST1S03AIPUR STMICROELECTRONICS-ST1S03AIPUR Datasheet
280Kb / 14P		    1.5A, 1.5 MHz Adjustable, with inhibit function Step-down switching regulator in DFN6 3x3
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