HV301/HV311
Extending Circuit Breaker Delay
dOleyVcapcua VwallVelstVOffOc V hOVcuppOi Vcti ptlVfOOdbeckVlttꢂVeid
wallVpOsul VaiVeVcuppOi VtvOpshtt VdupaigV hOVOx OpielVꢂessVdOvacO
upiVtiV peisa atiV tVcuppOi Vlama .VVIfV hOV amOVdOleyVpOquapOdVftpV hO
Capcua VBpOekOpVceusOsVOxcOssavOVcuppOi VtvOpshtt VdupaigV hO
upiVtiV peisa atiV hOiV hOVftlltwaigVcapcua VmeyVbOVusOd,VwhOpO
hOVRCVfal OpVasVswa chOdVtiVef OpV hOVctmꢂlO atiVtfV hOVcuppOi
lama Vcti ptlVfuic atiVtfV hOVht VsweꢂVcti ptllOp.
CtiiOc aigVeVpOsas tpVaiVsOpaOsVwa hV hOVSENSEVꢂaiVeidVe
ceꢂeca tpVbO wOOiV hOVSENSEVeidVꢀ EEVꢂaisVesVshtwiVaiV hO
ftlltwaigVdaegpemVmeyVbOVusOdV tVOx OidV hOVCapcua VBpOekOp
dOleyV amOVbOytidV hOV5µsVai OpiellyVsO VdOleyV amOVA( pplication
Circuit 15).
ThOV amOVdOleyVechaOveblOVbyV hasVmO htdVasVlama OdVsaicOV has
8
GND
V
DD
1
PWRGD / PWRGD
R1
487kΩ
ENABLE/ ENABLE
Cload
3
2
+5V
UV
R2
HV301/
HV311
DC/DC
PWM
CONVERTER
6.81kΩ
COM
OV
R3
9.76kΩ
RAMP
V
4
SENSE GATE
EE
7
5
6
R5
C2
R4
-48V
Q1
IRF530
12.5mΩ
Nt O:Vceꢂeca tpVmeyVbOViOOdOdV tVsltwVPWRGDVdv/d VafVge O
Application Circuit 15
tscalle atisVeptuidVepOVtbsOpvOdVwhOiVꢀINVasVcltsOV tVꢁꢀLꢁ.
Latched Operation
FtpV htsOVeꢂꢂlace atisV he ViOOdV tVdaseblOV hOVeu tme acVpO py
ceꢂebala y,V hOVftlltwaigVcapcua VdaseblOsV hOVeu tVpO pyVfOe upO.
GND
8
V
DD
PWRGD / PWRGD
1
R1
487kΩ
ENABLE / ENABLE
Cload
3
2
+5V
UV
R2
6.81kΩ
HV301 / HV311
DC/DC
COM
PWM
OV
CONVERTER
R3
9.76kΩ
RAMP
7
V
SENSE GATE
EE
4
5
6
2.5MW
-48V
Q1
IRF530
R4
12.5mΩ
Nt O:Vceꢂeca tpVmeyVbOViOOdOdV tVsltwVPWRGDVdv/d VafVge O
tscalle atisVeptuidVepOVtbsOpvOdVwhOiVꢀINVasVcltsOV tVꢁꢀLꢁ.
Application Circuit 17
A092605
18
SUPERTEX [ Supertex, Inc ]
