ST5R25M Ver la hoja de datos (PDF) - STMicroelectronics
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ST5R25M Datasheet PDF : 13 Pages
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ST5R00
ELECTRICAL CHARACTERISTICS FOR ST5R33
(VIN = 2V, IOUT = 10mA TA = 25oC unless otherwise specified. For external components value, unless
otherwise notes, refer to the typical operating circuit.
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VOUT Output Voltage
3.135 3.3 3.465 V
VSTART-UP Start-up Voltage (VIN-VF) (1) IOUT=1mA VIN rising from 0 to 2V
0.8
1.2
V
VHOL D Hold-on Voltage
IOUT=1mA VIN falling from 2 to 0V
0.6
V
ISUPPLY Supply Current
To be measured at VIN, no load
17
µA
RLX(DSON) Internal Switch RDSON
ILX=150mA
850
mΩ
IL X(lea k) Internal Leakage Current
VLX=4V, forced VOUT=3.8V
0.5
µA
Fo sc Maximum oscillator Frequency
150
kHz
Dty Oscillator Duty Cycle
to be measure on Lx pin
77
%
ν
Efficency
IOUT=50mA
(1): The minimum input voltage for the IC start-up is strictly a function of the VF catch diode.
83
%
ELECTRICAL CHARACTERISTICS FOR ST5R50
(VIN = 3V, IOUT = 10mA TA = 25oC unless otherwise specified. For external components value, unless
otherwise notes, refer to the typical operating circuit.
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VOUT Output Voltage
4.75 5.0 5.25
V
VSTART-UP Start-up Voltage (VIN-VF) (1) IOUT=1mA VIN rising from 0 to 2V
0.8
1.2
V
VHOL D Hold-on Voltage
IOUT=1mA VIN falling from 2 to 0V
0.6
V
ISUPPLY Supply Current
RLX(DSON) Internal Switch RDSON
To be measured at VIN, no load
ILX=150mA
18
µA
700
mΩ
IL X(lea k) Internal Leakage Current
VLX=4V, forced VOUT=5.5V
0.5
µA
Fo sc Maximum oscillator Frequency
160
kHz
Dty Oscillator Duty Cycle
to be measure on Lx pin
77
%
ν
Efficency
IOUT=50mA
(1): The minimum input voltage for the IC start-up is strictly a function of the VF catch diode.
87
%
TYPICAL OPERATING CHARACTERISTICS (the following plots are referred to the typical application
circuit and, unless otherwise noted, at TA=25oC)
Figure 1:Output Voltage vs Output Current
Figure 2: Output Voltage vs Output Current
5/13
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