VIPER100A-E Ver la hoja de datos (PDF) - STMicroelectronics
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VIPER100A-E Datasheet PDF : 31 Pages
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1 Electrical Data
Table 5. Error Amplifier Section
Symbol
Parameter
Test Conditions‘
VDDREG VDD Regulation Point
ICOMP=0mA (see Figure 5)
∆VDDreg Total Variation
Tj=0 to 100°C
GBW
Unity Gain Bandwidth
From Input =VDD to
Output = VCOMP
COMP pin is open
(see Figure 15)
AVOL
Open Loop Voltage Gain
COMP pin is open
(see Figure 15)
Gm
DC Transconductance
VCOMP=2.5V(see Figure 5)
VCOMPLO Output Low Level
ICOMP=-400µA; VDD=14V
VCOMPHI Output High Level
ICOMP=400µA; VDD=12V
ICOMPLO Output Low Current Capability VCOMP=2.5V; VDD=14V
ICOMPHI
Output High Current
Capability
VCOMP=2.5V; VDD=12V
Table 6. PWM Comparator Section
Symbol
Parameter
Test Conditions‘
HID
∆VCOMP / ∆IDPEAK
VCOMP = 1 to 3 V
VCOMPoff VCOMP Offset
IDPEAK = 10mA
IDpeak Peak Current Limitation
VDD = 12V; COMP pin open
td
Current Sense Delay to Turn- ID = 1A
Off
tb
Blanking Time
ton(min) Minimum On Time
Table 7. Shutdown and Overtemperature Section
Symbol
Parameter
Test Conditions‘
VCOMPth Restart Threshold
(see Figure 8)
tDISsu Disable Set Up Time
(see Figure 8)
Ttsd Thermal Shutdown
Temperature
(see Figure 8)
Thyst Thermal Shutdown Hysteresis (see Figure 8)
VIPer100A-E/ASP-E
Min
Typ
Max Unit
12.6
13
13.4
V
2
%
150
KHz
45
52
dB
1.1
1.5
1.9 mA/V
0.2
V
4.5
V
-600
µA
600
µA
Min
Typ
Max Unit
0.7
1
1.3
V/A
0.5
V
3
4
5.3
A
250
ns
250
360
ns
350 1200
ns
Min
Typ
Max Unit
0.5
V
1.7
5
µs
140
170
°C
40
°C
6/31
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