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VIPER222 数据表(PDF) 7 Page - STMicroelectronics

部件名 VIPER222
功能描述  High voltage converter
PDF  20 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VIPER222 数据表(HTML) 7 Page - STMicroelectronics

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Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
tOVLmax
Maximum overload delay
time
VIPER222XSTR
FOSC = FOSCmin
220
ms
VIPER222LSTR
FOSC = FOSCmin
440
tSS
Soft-start time
5
11
ms
tCC_FAIL
Clamp time before shutdown
325
500
675
µs
FOSC
Switching frequency
VIPER222XSTR
27
30
33
kHz
VIPER222LSTR
54
60
66
FOSCmin
Minimum switching
frequency
13.5
15
16.5
kHz
FD
Modulation depth
(1)
±7
kHz
FM
Modulationfrequency
(1)
260
Hz
DMAX
Max. duty cycle
(1)
70
80
%
VREF
E/A reference voltage
1.175
1.2
1.225
V
IPULL UP
EA-IN pin current pull-up
-1
µA
GM
E/A Trans conductance
(1)
0.5
mA/V
VEA-SAT
EA-OUT pin saturation limit
3
V
VEA-BM
Burstmode threshold
0.8
V
RDYN
Dynamic resistance
VEA-OUT =2.7V
VEA-IN =GND
65
kΩ
HEA-OUT
ΔVEA-OUT / ΔID
(1)
3.8
7
V/A
IEA-OUT
EA-OUT pin source / sink current
100
µA
TSD
Thermal shutdown temperature
(1)
150
160
°C
1. Specification assured by characterization.
VIPER222
Electrical characteristics
DS13192 - Rev 2
page 7/20



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