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ST5R28MTR 数据表(PDF) 4 Page - STMicroelectronics

部件名 ST5R28MTR
功能描述  MICROPOWER VFM STEP-UP DC/DC CONVERTER
Download  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST5R28MTR 数据表(HTML) 4 Page - STMicroelectronics

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ST5R00 SERIES
4/15
Figure 5: Typical Demoboard
Note: drawing not in scale.
Table 4: Electrical Characteristics For ST5R25
(VIN = 1.5V, IOUT = 10mA, TA = 25°C, unless otherwise specified. For external components value, unless
otherwise notes, refer to the typical operating circuit.)
(1): The minimum input voltage for the IC start-up is strictly a function of the VF catch diode.
Table 5: Electrical Characteristics For ST5R28
(VIN = 1.7V, IOUT = 10mA, TA = 25°C, unless otherwise specified. For external components value, unless
otherwise notes, refer to the typical operating circuit.)
(1): The minimum input voltage for the IC start-up is strictly a function of the VF catch diode.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VOUT
Output Voltage
2.375
2.5
2.625
V
VSTART-UP Start-up Voltage (VIN-VF) (1)
IOUT = 1mA, VIN = rising from 0 to 2V
0.8
1.2
V
VHOLD
Hold-on Voltage
IOUT = 1mA, VIN = falling from 2 to 0V
0.6
V
ISUPPLY
Supply Current
To be measured at VIN, no load
16
µA
RLX(DSON) Internal Switch RDSON
ILX = 150mA
850
m
ILX(leak)
Internal Leakage Current
VLX = 4V, forced VOUT = 3V
0.5
µA
fOSC
Maximum oscillator Frequency
150
KHz
Dty
Oscillator Duty Cycle
to be measure on LX pin
77
%
ν
Efficiency
IOUT = 50mA
82
%
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VOUT
Output Voltage
2.66
2.8
2.94
V
VSTART-UP Start-up Voltage (VIN-VF) (1)
IOUT = 1mA, VIN = rising from 0 to 2V
0.8
1.2
V
VHOLD
Hold-on Voltage
IOUT = 1mA, VIN = falling from 2 to 0V
0.6
V
ISUPPLY
Supply Current
To be measured at VIN, no load
16
µA
RLX(DSON) Internal Switch RDSON
ILX = 150mA
850
m
ILX(leak)
Internal Leakage Current
VLX = 4V, forced VOUT = 3.3V
0.5
µA
fOSC
Maximum oscillator Frequency
150
KHz
Dty
Oscillator Duty Cycle
to be measure on LX pin
77
%
ν
Efficiency
IOUT = 50mA
82
%


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