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VIPER31SP Datasheet(PDF) 5 Page - STMicroelectronics

Part # VIPER31SP
Description  BATTERY CHARGER PRIMARY I.C.
Download  16 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER31SP Datasheet(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
ERROR AMPLIFIER SECTION
Symb ol
Parameter
Test Cond ition s
Mi n.
Typ .
Max.
Un it
VREF
Reference Voltage
ICOMP =0 mA
TJ =25
oC
TBD
2.6
T BD
V
∆VREF
Temperaure Variation
TBD
T BD
%
GBW
Unity G ain Bandwidth
(see f ig. 4)
400
KHz
AVOL
Open Loop Voltage
Gain
(see f ig. 4)
TBD
50
dB
IFB
Input Bias Current
VFB =5 V
2.5
5
µA
VCOMP LO Output Low Level
ICOMP =-100
µAVFB =5 V
1V
VCOMP HI
Output High Level
ICOMP = 100
µAVFB =0 V
9V
ICOMP LO
Output Low Current
Capability
VCOMP =5 V
VFB =5 V
3.5
mA
ICOMP HI
Output High Current
Capability
VCOMP =5 V
VFB =0 V
-3. 5
mA
CURRENT REGULATION SECTION
Symb ol
Parameter
Test Cond ition s
Mi n.
Typ .
Max.
Un it
VREG
Reference Voltage
(see f ig. 5)
320
350
380
mV
td
Current Sense Delay
to Turn-off
(See f ig 1)
350
ns
VDSENSEth
Demagnetization
Detector Threshold
Voltage
(see f ig. 6)
2.6
V
VDSENSEcl
Demagnetization
Detector Clamping
Voltage
IDSENSE = 10 mA
(see f ig. 6)
6
V
PROTECTION SECTION
Symb ol
Parameter
Test Cond ition s
Mi n.
Typ .
Max.
Un it
IDlim
Peak Drain Current
Limit ation
RS =0
(see fig. 9)
12.5
A
tb
Current Limitation
Blanking T ime
RS =0
(see fig. 9)
1.2
µs
VCClim
VCC Overvolt age
Threshold
VFB = 0 V
(see fig. 7)
26
35
V
VCChyst
VCC Overvoltage
Hysteresis
VFB = 0 V
(see fig. 7)
2
V
TSD
Thermal Shutdown
Temperat ure
(see f ig. 8)
150
oC
TSDhyst
Thermal Shutdown
Hysteresis
(see f ig. 8)
TBD
oC
VIPer31SP
5/16


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