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L6726A Scheda tecnica(PDF) 7 Page - STMicroelectronics

Il numero della parte L6726A
Spiegazioni elettronici  Single phase PWM controller
PDF  24 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6726A Scheda tecnica(HTML) 7 Page - STMicroelectronics

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L6726A
Electrical specifications
7/24
3
Electrical specifications
3.1
Absolute maximum ratings
Table 4. Absolute maximum ratings
3.2
Electrical characteristics
Symbol
Parameter (1)
1.
ESD immunity for FB pin is guaranteed up to ±1000V (Human Body Model)
Value
Unit
VCC
to GND
-0.3 to 15
V
VBOOT
to PHASE
to GND
15
45
V
VUGATE
to PHASE
to PHASE; t < 50ns
to GND
-0.3 to (VBOOT - VPHASE) + 0.3
-1
VBOOT + 0.3
V
VPHASE
to GND
-8 to 30
V
VLGATE
to GND
to GND; t < 50ns
-0.3 to VCC + 0.3
-2.5
V
FB, COMP to GND
-0.3 to 3.6
V
Table 5. Electrical characteristics
(VCC = 12V; TA = -20°C to +85°C unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Recommended operating conditions
VCC
Device supply voltage
See Figure 1
4.1
13.2
V
VIN
Conversion input voltage
13.2
V
VCC < 7.0V
19.0
V
Supply current and power-ON
ICC
VCC supply current
UGATE and LGATE = OPEN
6
mA
IBOOT
BOOT supply current
UGATE = OPEN; PHASE to GND
0.5
mA
UVLO
VCC Turn-ON
VCC Rising
4.1
V
Hysteresis
0.2
V
Oscillator
FSW
Main oscillator accuracy
TA = 0°C to +70°C
243
270
297
kHz
225
270
315
∆V
OSC
PWM ramp amplitude
1.1
V
dMAX
Maximum duty cycle
80
%



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