STOD2540 Просмотр технического описания (PDF) - STMicroelectronics
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STOD2540 Datasheet PDF : 20 Pages
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Electrical characteristics
4
Electrical characteristics
STOD2540
TJ = 40 °C to 85 °C, VI = 3.6 V, VEN = 3V, CI = CO = 4.7 µF, L = 4.7 µH, R1 = 180 kΩ,
R2 = 10 kΩ, VO = 24 V, Typ. values @ 25 °C, unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
VI
Input voltage range
VO
Regulated output voltage
VI = 3 V to 5.5 V
3.0
5.5
V
VI + 0.5 25 35
V
VOVP
Over voltage protection on
output
35
V
IO
Continuous output current
VO = 25 V
1
40 mA
ISD
Stand-by current
VEN = Low, VI = 3.6 V
VEN = Low, VI = 3 V to 4.2 V
3
µA
10
VI = 3 V to 4.2 V @ 25 °C
IQ
Quiescent current consumption
VI = 5.5 V @ 25 °C
0.4 0.8
mA
0.8 1.2
RDSON-SW Boost switch RDSON (1)
VI = 4.2 V, ISW = 100 mA
0.4
Ω
BVDS Breakdown voltage
40
V
RDSON-LDS RDSON (1)
VO = 25 V, IO = 30 mA
2
Ω
BVDS Breakdown voltage
40
V
ILIM-ADJ Peak inductor limit range (1)
RSET = 10 kΩ to 100 kΩ
0.2
1.1
A
ILIM-MAX
Maximum peak inductor current
(1)
VI = 3 V to 5.5 V, RSET = VI
0.75
1.2
A
FB
Feedback voltage
5% @ 25 °C
1.18 1.24 1.30 V
TON_MAX Maximum ON time
VI = 4.2 V
5.5
µs
TOFF_MIN Minimum OFF time
VI = 4.2 V
300
ns
Efficiency, VI = 3.6 V (1)
IO = 1 mA to 5 mA
IO = 5 mA to 40 mA
65
70
Eff
%
Efficiency, VI = 4.2 V (1)
IO = 1 mA to 5 mA
IO = 5 mA to 40 mA
65
70
VI = 3.6 V, IO = 5 mA, VO = 24 V
1.3
VI = 3.6 V, IO = 30 mA, VO = 24 V
1.3
Ripple Output ripple and noise
%
VI = 4.2 V, IO = 5 mA, VO = 24 V
1.3
VI = 4.2 V, IO = 30 mA, VO = 24 V
1.3
OVHYST Over-voltage hysteresis
2
V
6/20
Doc ID 12204 Rev 10
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