ST1S10 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST1S10' PDF : 26 Pages View PDF
Electrical characteristics
4
Electrical characteristics
ST1S10
Table 5.
Symbol
Electrical characteristics
VIN = VIN_SW = VIN_A = VINH = 12 V, VSYNC = GND, VOUT = 5 V, IOUT = 10 mA, CIN = 4.7 µF
+0.1 µF, COUT = 22 µF, L1 = 3.3 µH, TJ = -25 to 125°C (Unless otherwise specified, refer to
the typical application circuit. Typical values assume TJ = 25°C)
Parameter
Test conditions
Min. Typ. Max. Unit
VFB
IFB
IQ
IOUT
Feedback voltage
VFB pin bias current
Quiescent current
Output current (1)
VINH
Inhibit threshold
IINH
Inhibit pin current
%VOUT/ΔVIN Reference line regulation
%VOUT/
ΔIOUT
Reference load regulation
PWM fs PWM switching frequency
DMAX
RDSon-N
RDSon-P
ISWL
Maximum duty cycle (2)
NMOS switch on resistance
PMOS switch on resistance
Switch current limitation
ν
Efficiency
TSHDN
THYS
Thermal shut down
Thermal shut down hysteresis
VOUT/ΔIOUT Output transient response
VOUT/ΔIOUT Short circuit removal response
@IO=short (overshot)
FSYNC SYNC frequency capture range
SYNCWD
VIL_SYNC
VIH_SYNC
SYNC pulse width
SYNC input threshold low
SYNC input threshold high
TJ = 25°C
TJ = -25°C to 125°C
VINH > 1.2 V, not switching
VINH < 0.4 V
VIN = 2.5 V to 18 V
VOUT = 0.8 V to 13.6 V (2)
Device ON
Device OFF
2.5 V < VIN < 18 V
10 mA < IOUT < 3 A
VFB = 0.7 V, Sync = GND
TJ = 25°C
ISW = 750 mA
ISW = 750 mA
IOUT = 100 mA to 300 mA
IOUT = 300 mA to 3 A
100 mA < IOUT < 1 A,
tR = tF ≥ 500 ns
10 mA < IOUT < short
VIN = 2.5 V to 18 V,
VSYNC = 0 to 5 V
VIN = 2.5 V to 18 V
VIN = 2.5 V to 18 V
VIN = 2.5 V to 18 V
784 800 816
mV
776 800 824
mV
600
nA
1.5 2.5
mA
2
6
µA
3.0
A
1.2
V
0.4
V
2
µA
0.4
%VOUT/
ΔVIN
0.5
%VOUT/
ΔIOUT
0.7 0.9 1.1 MHz
85 90
%
0.10
Ω
0.12
Ω
5.0
A
85
%
90
%
150
°C
15
°C
±5
%VO
±10
%VO
0.4
1.2 MHz
250
ns
0.4
V
1.6
V
6/26
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