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L6718 数据表(PDF) 21 Page - STMicroelectronics

部件名 L6718
功能描述  SMBus interface for power management
PDF  71 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6718 数据表(HTML) 21 Page - STMicroelectronics

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L6718
Electrical specifications
UVLOVCC5
VCC5 turn-on
VCC5 rising
4.1
V
VCC5 turn-off
VCC5 falling
3
V
UVLOVCC12
VCC12 turn-on
VCC12 rising
4.75
V
VCC12 turn-off
VCC12 falling
4
V
Oscillator, soft-start and enable
MP FSW
Initial oscillator accuracy
OSC = open
180
200
220
kHz
MP FSW
Initial oscillator accuracy
OSC = 62 K
429
475
521
kHz
SP FSW
Initial oscillator accuracy
OSC = open
180
200
220
kHz
SP FSW
Initial oscillator accuracy
OSC = 62 K
450
500
550
kHz
VOSC
PWM ramp amplitude
1.5
V
FAULT
Voltage at pin SOSC
After latch
3
V
Voltage at pin OSC
After latch
3
V
SOFT
START
SS time
Vboot > 0, from pinstrapping; multi-
phase section
2.5
2.8
3.1
mV/
μs
Vboot > 0, from pinstrapping; single-
phase section
2.5
2.8
3.1
mV/
μs
ENABLE
Turn-on
VENABLE rising
0.65
V
Turn-off
VENABLE falling
0.4
V
SVI Serial Bus
SVCLCK,
SVDATA
Input high
0.6
V
Input low
0.4
V
SVDATA,
ALERT#
Voltage low (ACK)
ISINK = -5 mA
50
mV
Reference and current reading
KVID
VOUT accuracy (MPhase)
IOUT=0 A; N=4; RG= 810 Ω;
RFB=2.125 kΩ
-0.5
0.5
%
KSVID
VOUT accuracy (SPhase)
IOUT=0 A
RG=1.1 kΩ; RFB = 6.662 kΩ
-0.5
0.5
%
DROOP
LL accuracy (MPhase) 0
to full load
IINFOx=0; N=4; VID>1 V
RG=810 Ω; RFB=2.125 kΩ
-2.5
2
μA
DROOP
LL accuracy (MPhase) 0
to full load
IINFOx=20 μA; N=4; VID>1 V
RG=810 Ω; RFB=2.125 kΩ
-3.5
4
μA
SDROOP
LL accuracy (SPhase) 0
to full load
ISCSN=0; VID>1 V
RG=1.1 kΩ; RFB=6.662 kΩ
-0.75
0.75
μA
SDROOP
LL accuracy (SPhase) 0
to full load
ISCSN=20 μA;VID>1 V
RG=1.1 kΩ; RFB=6.662 kΩ
-1.5
1.5
μA
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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