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L6740L Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce L6740L
Description  Hybrid controller (41) for AMD SVID and PVID processors
PDF  44 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6740L Fiches technique(HTML) 13 Page - STMicroelectronics

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L6740L
Electrical specifications
13/44
3
Electrical specifications
3.1
Absolute maximum ratings
Table 4.
Absolute maximum ratings
3.2
Electrical characteristics
Symbol
Parameter
Value
Unit
VCC
to PGND
15
V
All other Pins to PGNDx
-0.3 to 3.6
V
Table 5.
Electrical characteristics
(VCC=12V±15%, TJ = 0°C to 70°C unless otherwise specified).
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-ON
ICC
VCC supply current
20
mA
UVLOVCC
VCC Turn-ON
VCC rising
9
V
VCC Turn-OFF
VCC falling
7
V
Oscillator
FSW
Main oscillator accuracy
135
150
165
kHz
Oscillator adjustability
ROSC = 27kΩ
380
465
550
kHz
∆V
OSC
PWM ramp amplitude
CORE and NB section
2
V
FAULT
Voltage at Pin OSC
OVP, UVP latch active
3
3.6
V
dMAX_NB
NB duty-cycle limit
INB_DROOP = 0µA80
%
INB_DROOP = 35µA40
%
PVI / SVI interface
EN,
PWROK
Input high
2
V
Input low
0.80
V
Pull-up current
EN Pin
10
µA
Pull-down current
PWORK Pin
10
µA
VID2,/SVD
VID3/SVC
Input high
(SVI Mode)
0.95
V
Input low
(SVI Mode)
0.65
V
SVD
Voltage low (ACK)
ISINK = -5mA
250
mV
VID0 to
VID5
Input high
(PVI mode)
1.3
V
Input low
(PVI mode)
0.80
V
Pull-down current
10
µA
V_FIX
Entering V_FIX mode
0.90
V



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