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ST1S06 数据表(PDF) 6 Page - STMicroelectronics

部件名 ST1S06
功能描述  Synchronous rectification with inhibit, 1.5 A, 1.5 MHz fixed or adjustable, step-down switching regulator
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST1S06 数据表(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
ST1S06xx
6/20
4
Electrical characteristics
Note:
1
Guaranteed by design, but not tested in production
Table 5.
Electrical characteristics for ST1S06
(VIN_SW = VIN_A = VINH = 5 V, VO = 1.2 V, CI = 4.7 µF, CO = 22 µF, L1 = 3.3 µH, TJ = -30 °C
to 125 °C (unless otherwise specified. Typical values are referred to TJ = 25 °C)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
FB
Feedback voltage
784
800
816
mV
IFB
VFB pin bias current
600
nA
VI
Minimum input voltage
IO = 10mA to 1.5A
2.7
V
IQ
Quiescent current
VINH > 1.2V
1.5
mA
VINH < 0.4V, TJ = -30°C to 85°C
1
µA
IO
Output current
VI = 2.7 to 5.5V Note 1
1.5
A
VINH
Inhibit threshold
Device ON, VI = 2.7 to 5.5V
1.3
V
Device ON, VI = 2.7 to 5V
1.2
Device OFF
0.4
IINH
Inhibit pin current
2µA
%VO/ΔVI
Reference line regulation
VI = 2.7V to 5.5V Note 1
0.2
0.3
%VO/
ΔVI
%VO/ΔIO
Reference load regulation
IO = 10mA to 1.5A Note 1
0.2
0.3
%VO/
ΔIO
PWMfS
PWM switching frequency
VFB = 0.8V
1.2
1.5
1.8
MHz
DMAX
Maximum duty cycle
80
87
%
RDSON-N NMOS switch on resistance
ISW = 750 mA
0.12
Ω
RDSON-P PMOS switch on resistance
ISW = 750 mA
0.15
Ω
ISWL
Switching current limitation
Note 1
2.3
A
ν
Efficiency Note 1
IO = 10mA to 100mA, VO = 3.3V
65
%
IO = 100mA to 1.5A, VO = 3.3V
85
90
TSHDN
Thermal shutdown
130
150
°C
THYS
Thermal shutdown hysteresis
15
°C
%VO/ΔIO
Load transient response
IO = 100mA to 750mA, TJ =
25°C tR = tF ≥ 200ns, Note 1
-5
+5
%VO
%VO/ΔIO
Short circuit removal response
IO = 10mA to IO = short,
TJ = 25°C Note 1
-10
+10
%VO


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