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VIPER06XN 数据表(PDF) 8 Page - STMicroelectronics

部件名 VIPER06XN
功能描述  Fixed-frequency VIPer plus family
PDF  28 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VIPER06XN 数据表(HTML) 8 Page - STMicroelectronics

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Electrical data
VIPER06
8/28
Doc ID 022794 Rev 1
Table 7.
Controller section
Symbol
Parameter
Test condition
Min
Typ Max
Unit
Error amplifier
VREF_FB
FB reference voltage
3.2
3.3
3.4
V
IFB_PULL UP Current pull-up
-1
μA
GM
Transconductance
2
mA/V
Current setting (LIM) pin
VLIM_LOW
Low-level clamp voltage
ILIM = -100 μA0.5
V
Compensation (COMP) pin
VCOMPH
Upper saturation limit
TJ = 25 °C
3
V
VCOMPL
Burst mode threshold
TJ = 25 °C
1
1.1
1.2
V
VCOMPL_HYS Burst mode hysteresis
TJ = 25 °C
40
mV
HCOMP
ΔVCOMP / ΔIDRAIN
49
V/A
RCOMP(DYN) Dynamic resistance
VFB = GND
15
k
Ω
ICOMP
Source / sink current
VFB > 100 mV
150
μA
Max source current
VCOMP = GND, VFB = GND
220
μA
Current limitation
IDlim
Drain current limitation
ILIM = -10 μA, VCOMP = 3.3 V,
TJ = 25 °C
0.32 0.35 0.38
A
tSS
Soft-start time
8.5
ms
TON_MIN
Minimum turn-on time
450
ns
IDlim_bm
Burst mode current limitation
VCOMP = VCOMPL
85
mA
Overload
tOVL
Overload time
50
ms
tRESTART
Restart time after fault
1
s
Oscillator section
FOSC
Switching frequency
VIPER06Xx
27
30
33
kHz
VIPER06Lx
54
60
66
kHz
VIPER06Hx
103
115
127
kHz
FD
Modulation depth
FOSC = 30 kHz
±3
kHz
FOSC = 60 kHz
±4
kHz
FOSC = 115 kHz
±8
kHz
FM
Modulation frequency
230
Hz
DMAX
Maximum duty cycle
70
80
%



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