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VIPER100A/ASP 数据表(PDF) 5 Page - STMicroelectronics

部件名 VIPER100A/ASP
功能描述  SMPS PRIMARY I.C.
PDF  23 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VIPER100A/ASP 数据表(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
OSCILLATOR SECTION
ERROR AMPLIFIER SECTION
PWM COMPARATOR SECTION
SHUTDOWN AND OVERTEMPERATURE SECTION
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
FSW
Oscillator Frequency
Total Variation
RT=8.2KΩ; CT=2.4nF
VDD=9 to 15V;
with RT± 1%; CT± 5%
(see fig. 6 and fig. 9)
90
100
110
kHz
VOSCIH
Oscillator Peak Voltage
7.1
V
VOSCIL
Oscillator Valley Voltage
3.7
V
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VDDREG
VDD Regulation Point
ICOMP=0mA
(see fig. 1)
12.6
13
13.4
V
∆V
DDreg
Total Variation
Tj=0 to 100°C
2
%
GBW
Unity Gain Bandwidth
From Input =VDD to Output = VCOMP
COMP pin is open
(see fig. 10)
150
kHz
AVOL
Open Loop Voltage Gain
COMP pin is open
(see fig. 10)
45
52
dB
Gm
DC Transconductance
VCOMP=2.5V
(see fig. 1)
1.1
1.5
1.9
mA/V
VCOMPLO
Output Low Level
ICOMP=-400µA; VDD=14V
0.2
V
VCOMPHI
Output High Level
ICOMP=400µA; VDD=12V
4.5
V
ICOMPLO
Output Low Current
Capability
VCOMP=2.5V; VDD=14V
-600
µA
ICOMPHI
Output High Current
Capability
VCOMP=2.5V; VDD=12V
600
µA
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
HID
∆V
COMP / ∆IDPEAK
VCOMP=1 to 3 V
0.711.3
V/A
VCOMPoff
VCOMP Offset
IDPEAK=10mA
0.5
V
IDpeak
Peak Current Limitation
VDD=12V; COMP pin open
3
4
5.3
A
td
Current Sense Delay to
Turn-Off
ID=1A
250
ns
tb
Blanking Time
250
360
ns
ton(min)
Minimum On Time
350
1200
ns
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VCOMPth
Restart Threshold
(see fig. 4)
0.5
V
tDISsu
Disable Set Up Time
(see fig. 4)
1.7
5
µs
Ttsd
Thermal Shutdown
Temperature
(See fig. 8)
140
170
°C
Thyst
Thermal Shutdown
Hysteresis
(See fig. 8)
40
°C



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