參數(shù)資料
型號: L6740LTR
廠商: 意法半導(dǎo)體
英文描述: Hybrid controller (4+1) for AMD SVID and PVID processors
中文描述: 混合控制器(4 1對AMD SVID和PVID)處理器
文件頁數(shù): 14/44頁
文件大?。?/td> 657K
代理商: L6740LTR
Electrical specifications
L6740L
14/44
PSI_L
Voltage Low
I
SINK
= -5mA
250
mV
Voltage positioning (CORE and NB Section)
CORE
Output voltage accuracy
VSEN to V
CORE
; FBG to GND
CORE
-8
8
mV
NB
NBVSEN to V
NB
; NBFBG to GND
FB
I
OS
= 0 to 250
μ
A
-10
10
mV
OS, NB_OS
OFFSET bias voltage
1.190
1.24
1.290
V
OFFSET current range
0
250
μ
A
OFFSET - I
FB
accuracy
I
OS
= 0 to 250
μ
A
I
DROOP
= 0 to 140
μ
A; OS = OFF
I
NB_DROOP
= 0 to 35
μ
A; OS = OFF
-15
15
%
DROOP
DROOP accuracy
-9
9
μ
A
NB_DROOP
-4
4
μ
A
A
0
EA DC gain
100
dB
SR
Slew rate
COMP, NB_COMP to SGND = 10pF
20
V/
μ
s
PWM outputs (CORE and NB Section)
PWMx,
NB_PWM
Output high
I = 1mA
3
3.6
V
Output low
I = -1mA
0.2
V
I
PWMx
Test current
10
μ
A
ENDRV,
NB_ENDRV
Output low
I = -5mA
0.4
V
Protections
OVP
Over voltage protection
V_FIX Mode (V_FIX = SGND);
VSEN, NB_VSEN Rising
1.720
1.800
1.880
V
Bias current
7
11
15
μ
A
OV programmability
R
OVP
= 180k
1.730
1.800
1.870
V
UVP
Under voltage protection
VSEN, NB_VSEN Falling; wrt Ref.
-470
-400
-330
mV
PWRGOOD
PGOOD threshold
VSEN, NB_VSEN Falling; wrt Ref
-300
-250
-200
mV
Voltage low
I
PWRGOOD
= -4mA
0.4
V
I
VSEN-DISC
VSEN disconnection
Sourced from NB_VSEN; OS = OFF
50
μ
A
Sunk from VSEN; OS = OFF
30
μ
A
V
FB-DISC
FB disconnection
CORE - V
CS-
Rising, above VSEN
500
600
700
mV
FBG DISC
FBG disconnection
EA NI input wrt VID
350
450
550
mV
OC_PHASE Per-phase OC
CORE section; bias voltage
1.200
1.240
1.280
V
kV
OC_AVGTH
Average OC
CORE section
2.430
2.500
2.570
V
kI
OC_AVGTH
I
DROOP
= 0 to 140
μ
A; OS = OFF
-11
11
μ
A
I
OCTH_NB
OC threshold
NB section
32
37.5
43
μ
A
Table 5.
Electrical characteristics
(continued)
(V
CC
=12V±15%, T
J
= 0°C to 70°C unless otherwise specified).
Parameter
Symbol
Test conditions
Min.
Typ.
Max.
Unit
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