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L6740L Datasheet(PDF) 7 Page - STMicroelectronics

Part # L6740L
Description  Hybrid controller (41) for AMD SVID and PVID processors
PDF  44 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6740L Datasheet(HTML) 7 Page - STMicroelectronics

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L6740L
Typical application circuit and block diagram
7/44
1.2
Block diagram
Figure 4.
Block diagram
L6740L
CONTROL LOGIC
OSC
OSC
CURRENT
BALANCE
AMD SVI / PVI FLEXIBLE
INTERFACE
CS2+
VCORE_REF
ERROR
AMPLIFIER
OFFSET
VCC
CS1-
SGND
CS1+
IDROOP
IOS
IOS
64k
64k
64k
64k
REMOTE
BUFFER
NB_REF
NB_COMP
NB_VSEN
NB_FBG
NB_FB
1.24V
NB_OS
30
µA
50
µA +I
NB_OS
OUTPUT VOLTAGE
MONITOR AND PROTECTION
MANAGEMENT
NB CURR
SENSE
PWM4
PWM3
PWM2
PWM1
Σ
Σ
Σ
Σ
CS2-
CS3+
CS3-
CS4+
CS4-
PWM1
PWM2
PWM3
PWM4
OSC
VCC
SGND
INB_DROOP
CORE - TOT CURRENT
(from SVI/PVI decoding)
CORE_REF
& NB_REF
ENDRV
NB_ENDRV
NB_ENDRV
ENDRV
ENDRV
NB_ENDRV
NB_DROOP
CS1-



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