STOD2540PMR Ver la hoja de datos (PDF) - STMicroelectronics
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STOD2540PMR Datasheet PDF : 19 Pages
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Electrical characteristics
4
Electrical characteristics
STOD2540
Table 4.
Electrical characteristics
(TJ = 40°C to 85°C, VI = 3.6V, VEN = 3V, CI = CO = 4.7µF, L = 4.7µH, R1 = 180kΩ, R2 = 10kΩ,
VO = 24V, Typ. values @ 25°C, unless otherwise specified).
Symbol
Parameter
Test
Min. Typ. Max. Unit
VI
Input voltage range
VO
Regulated output voltage
VI = 3V to 5.5V
3.0
5.5
V
VI + 0.5 25 35
V
VOVP
Over voltage protection on
output
35
V
IO
Continuous output current
VO = 25V
1
40 mA
ISD
Stand-by current
VEN = Low, VI = 3.6V
VEN = Low, VI = 3V to 4.2V
3
µA
10
VI = 3V to 4.2V @ 25°C
IQ
Quiescent current consumption
VI = 5.5V @ 25°C
0.4 0.8
mA
0.8 1.2
Boost switch RDSON Note: 1
VI = 4.2V, ISW = 100mA
0.4
Ω
RDSON-SW
BVDS Breakdown voltage
40
V
RDSON Note: 1
RDSON-LDS
BVDS Breakdown voltage
VO = 25V, IO = 30mA
2
Ω
40
V
ILIM-ADJ
Peak inductor limit range
Note: 1
RSET = 10kΩ to 100kΩ
0.2
1.1
A
ILIM-MAX
Maximum peak inductor current
Note: 1
VI = 3V to 5.5V, 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 = 4.2V
5.5
µs
TOFF_MIN Minimum OFF Time
VI = 4.2V
300
ns
IO = 1 mA to 5mA
65
Efficiency, VI = 3.6V Note: 1
IO = 5 mA to 40mA
70
Eff
%
IO = 1 mA to 5mA
65
Efficiency, VI =4.2V Note: 1
IO = 5 mA to 40mA
70
VI = 3.6V, IO = 5 mA, VO = 24V
1.3
VI = 3.6V, IO = 30 mA, VO = 24V
1.3
Ripple Output ripple and noise
%
VI = 4.2V, IO = 5 mA, VO = 24V
1.3
VI = 4.2V, IO = 30 mA, VO = 24V
1.3
OVHYST Overvoltage hysteresis
2
V
6/19
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