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STCMB1 数据表(PDF) 12 Page - STMicroelectronics

部件名 STCMB1
功能描述  TM PFC with X-cap discharge and LLC resonant combo controller
PDF  59 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STCMB1 数据表(HTML) 12 Page - STMicroelectronics

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Electrical data
STCMB1
12/59
DocID028958 Rev 4
PFC - ac brown-out protection
VHVpk_BO
Brown-out threshold
(1)Peak voltage falling
LLC in continuous switching, no
burst mode. RHV series = 5.6 K
92
98
104
V
VHVpk_BI
Brown-in threshold
(1)Peak voltage rising
LLC in continuous switching, no
burst mode. RHV series = 5.6 K
106
113
120
V
TDB
Brown-out debounce time
-
32
40
48
ms
PFC - zero current detector
VZCDH
Upper clamp voltage
IZCD = 2.5 mA
2.8
3.3
-
V
VZCDL
Lower clamp voltage
IZCD = -2.5 mA
-0.3
-
0
V
VZCDA
Arming voltage
(1)Positive-going edge
-
0.5
-
V
VZCDT
Triggering voltage
(1)Negative-going edge
-
0.25
-
V
IZCDb
Input bias current
VZCD = 1 to 2.2 V
-
-
5
µA
PFC - maximum on-time
ITON
Charge current
VTON = 3 V, VHV_pk = 160 V dc
180
200
220
µA
VTON = 3 V, VHV_pk = 320 V dc
640
800
960
VTON
Linear operating range
-
0
-
3
V
VTON
On-time reference level
GD_PFC goes low
VCOMP = 3 V
-2
-
V
RDSC
Discharge resistance
-
-
60
200

PFC - transconductance error amplifier
Vref
Internal voltage reference
Tj = 25 °C
2.475
2.5
2.525
V
(1)10 V < VVCC < 21 V
2.44
-
2.58
IFB
Input bias current
VFB = 0 to 3 V
-1
-0.2
1
µA
VCOMPSAT
Upper clamp voltage
ISOURCE = 20 µA
4.0
4.3
-
V
ISOURCE = 20 µA, Tj > °0
4.2
4.5
-
ICOMP
Max. sink/source current
VCOMP = 3 V, VFB = 2.3 V
150
200
-
µA
gm
Transconductance
VFB = Vref
160
200
240
µS
Ro
Output impedance
-
2
-
-
M

PFC - dynamic and static OVP protections
VFB_S
D_OVP threshold
Tj = 25 °C
2.595 2.675 2.755
V
(1)10 V < VVCC < 21 V
2.568
-
2.782
VFB_R
Restart voltage after D_OVP
(1)
2.47
2.55
2.63
V
TDB
D_OVP debounce time
-
40
50
65
µs
VCOMP_S
S_OVP threshold
(1)Voltage falling
0.9
1
1.1
V
VCOMP_R
Restart voltage after S_OVP
(1)Voltage rising
0.92
1.02
1.15
V
Table 4. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max. Unit



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