HV302 / HV312
Absolute Maximum Ratings
Ordering Information
VEE reference to VDD pin
+0.3V to -100V
-0.3V to +100V
-0.3V to +12V
-40°C to +85°C
Active State of Power
Good Flags
HIGH
Package Options
VPWRGD referenced to VEE Voltage
VUV and VOV referenced to VEE Voltage
Operating Ambient Temperature
14 Pin SOIC
HV302NG
HV312NG
LOW
Operating Junction Temperature
Storage Temperature Range
-40°C to +125°C
-65°C to +150°C
Electrical Characteristics (-10V VIN -90V, -40°C TA +85°C unless otherwise noted)
Symbol
Parameter
Min
Typ
Max
Units
Conditions
Supply (Referenced to VDD pin)
VEE
IEE
Supply Voltage
-90
-10
700
450
V
µA
µA
Supply Current
600
400
VEE = -48V, Mode = Limiting
VEE = -48V, Mode = Sleep
IEE
Sleep Mode Supply Current
OV and UV Control (Referenced to VEE pin)
VUVH
VUVL
VUVHY
IUV
UV High Threshold
UV Low Threshold
UV Hysteresis
1.26
1.16
100
V
V
mV
nA
V
V
mV
nA
Low to High Transition
High to Low Transition
UV Input Current
OV High Threshold
OV Low Threshold
OV Hysteresis
1.0
1.0
VUV = VEE + 1.9V
Low to High Transition
High to Low Transition
VOVH
VOVL
VOVHY
IOV
1.26
1.16
100
OV Input Current
VOV = VEE + 0.5V
Current Limit (Referenced to VEE pin)
VSENSE-CL
VSENSE-CB
Current Limit Threshold Voltage
40
80
50
100
60
120
mV VUV = VEE + 1.9V, VOV = VEE + 0.5V
mV VUV = VEE + 1.9V, VOV = VEE + 0.5V
Circuit Breaker Current Limit Threshold Voltage
Gate Drive Output (Referenced to VEE pin)
VGATE
Maximum Gate Drive Voltage
Gate Drive Pull-Up Current
Gate Drive Pull-Down Current
8.5
500
40
10
12
V
µA
VUV = VEE + 1.9V, VOV = VEE + 0.5V
VUV = VEE + 1.9V, VOV = VEE + 0.5V
IGATEUP
IGATEDOWN
mA VUV = VEE, VOV = VEE + 0.5V
Ramp Timing Control - Test Conditions: CLOAD=100µF, CRAMP=10nF, VUV = VEE + 1.9V, VOV = VEE + 0.5V, External MOSFET is IRF530*
IRAMP
tPOR
Ramp Pin Output Current
Time from UV to Gate Turn On
10
VSENSE = 0V
ms (See Note 1)
µA
2.0
tRISE
tLIMIT
Time from Gate Turn On to VSENSE Limit
Duration of Current Limit Mode
400
µs
ms
ms
ms
ms
ms
ms
ms
ms
V
5.0
5.0
200
5.0
200
5.0
200
5.0
3.6
100
tPWRGD-A
tPWRGD-B
tPWRGD-B
tPWRGD-C
tPWRGD-C
tPWRGD-D
tPWRGD-D
VRAMP
Time from Current Limit to PWRGD-A
Maximum Time from PWRGD-A to PWRGD-B
Minimum Time from PWRGD-A to PWRGD-B
Maximum Time from PWRGD-B to PWRGD-C
Minimum Time from PWRGD-B to PWRGD-C
Maximum Time from PWRGD-C to PWRGD-D
Minimum Time from PWRGD-C to PWRGD-D
Voltage on Ramp Pin in Current Limit Mode
Start up Time Limit
150
3.0
150
3.0
150
3.0
250
8.0
250
8.0
250
8.0
RTB = 120kΩ
RTB = 3kΩ
RTC = 120kΩ
RTC = 3kΩ
RTD = 120kΩ
RTD = 3kΩ
(See Note 2)
tSTARTLIMIT
tCBTRIP
tAUTO
80
2.0
120
5.0
ms
µs
s
Circuit Breaker Delay Time
Automatic Retry Delay
May be extended by external RC circuit
16
2
Rev. D
04/17/02
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 Fax: (408) 222-4895 www.supertex.com
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