L6926 Просмотр технического описания (PDF) - STMicroelectronics
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L6926 Datasheet PDF : 17 Pages
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L6926
3
Electrical characteristics
Table 4. Electrical characteristcs
(TJ = 25°C, VIN = 3.6V unless otherwise specified) (1)
Symbol
Parameter
Test condition
Vcc Operating input voltage
After Turn on
Vcc ON Turn On threshold
Vcc OFF Turn Off threshold
Vcc hys Hysteresis
Rp High side Ron
Vcc = 3.6V, Ilx =100mA
Rn Low side Ron
Vcc = 3.6V, Ilx =100mA
Peak current limit
Ilim
Valley current limit
Vout Output voltage range
fosc Oscillator frequency
fsync Sync mode clock (2)
DC characteristics
Quiescent current (low
noise mode)
Iq
Quiescent current (low
cunsumption mode)
Ish Shutdown current
Ilx
LX leakage current (2)
Vcc = 3.6V
Vcc = 3.6V
Vsync = 0V, no load,
VFB > 0.6V
Vsync = 0V, no load,
VFB > 0.6V
Vsync = Vcc, no load,
VFB > 0.6V
RUN to GND, Vcc = 5.5V
RUN to GND, VLX = 5.5V,
Vcc = 5.5V
RUN to GND, VLX = 0V,
Vcc = 5.5V
Electrical characteristics
Min Typ Max Unit
(1)
2
5.5
V
2.2
V
2
V
100
mV
240 300
mΩ
(1)
400
215 300
mΩ
(1)
400
1
1.2 1.5
(1) 0.85
A
1.65
1
1.4 1.7
(1) 0.9
A
1.85
Vfb
Vcc
V
450 600 700
KHz
(1) 400 600 800
500
1400 KHz
200 300
µA
(1)
300
(1)
25
50
µA
0.2
µA
1
µA
1
µA
5/17
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