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L6926 Arkusz danych(PDF) 5 Page - STMicroelectronics

Numer części L6926
Szczegółowy opis  High efficiency monolithic synchronous step down regulator
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6926 Arkusz danych(HTML) 5 Page - STMicroelectronics

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L6926
Electrical characteristics
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3
Electrical characteristics
Table 4.
Electrical characteristcs
(TJ = 25 °C, VIN = 3.6 V unless otherwise specified)
(1)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Vcc
Operating input voltage
After turn on
(1)
25.5
V
Vcc ON
Turn on threshold
2.2
V
Vcc OFF
Turn off threshold
2
V
Vcc hys
Hysteresis
100
mV
Rp
High side Ron
Vcc = 3.6 V, Ilx =100 mA
240
300
m
Ω
(1)
400
Rn
Low side Ron
Vcc = 3.6 V, Ilx =100 mA
215
300
m
Ω
(1)
400
Ilim
Peak current limit
Vcc = 3.6 V
11.2
1.5
A
(1)
0.85
1.65
Valley current limit
Vcc = 3.6 V
11.4
1.7
A
(1)
0.9
1.85
Vout
Output voltage range
Vfb
Vcc
V
fosc
Oscillator frequency
450
600
700
kHz
(1)
400
600
800
fsync
Sync mode clock (2)
500
1400
kHz
DC characteristics
Iq
Quiescent current
(low noise mode)
Vsync = 0 V, no load,
VFB > 0.6 V
200
300
μA
Vsync = 0 V, no load,
VFB > 0.6 V
(1)
300
Quiescent current
(low cunsumption mode)
Vsync = Vcc, no load,
VFB > 0.6 V
(1)
25
50
μA
Ish
Shutdown current
RUN to GND, Vcc = 5.5 V
0.2
μA
Ilx
LX leakage current (2)
RUN to GND, VLX = 5.5 V,
Vcc = 5.5 V
1
μA
RUN to GND, VLX = 0V,
Vcc = 5.5 V
1
μA


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