
2 Rev. D 04/17/02
HV302 / HV312
Absolute Maximum Ratings
V
EE
reference to V
DD
pin
V
PWRGD
referenced to V
EE
Voltage
V
UV
and V
OV
referenced to V
EE
Voltage -0.3V to +12V
Operating Ambient Temperature
Operating Junction Temperature
Storage Temperature Range
Electrical Characteristics
(-10V VIN -90V, -40
°
C T
A
+85
°
C unless otherwise noted)
Symbol
Parameter
Supply
(Referenced to V
DD
pin)
V
EE
Supply Voltage
I
EE
Supply Current
I
EE
Sleep Mode Supply Current
OV and UV Control
(Referenced to V
EE
pin)
V
UVH
UV High Threshold
V
UVL
UV Low Threshold
V
UVHY
UV Hysteresis
I
UV
UV Input Current
V
OVH
OV High Threshold
V
OVL
OV Low Threshold
V
OVHY
OV Hysteresis
I
OV
OV Input Current
Current Limit
(Referenced to V
EE
pin)
V
SENSE-CL
Current Limit Threshold Voltage
V
SENSE-CB
Circuit Breaker Current Limit Threshold Voltage
Gate Drive Output
(Referenced to V
EE
pin)
V
GATE
Maximum Gate Drive Voltage
I
GATEUP
Gate Drive Pull-Up Current
I
GATEDOWN
Gate Drive Pull-Down Current
Ramp Timing Control
-
Test Conditions: C
LOAD
=100
μ
F, C
RAMP
=10nF, V
UV
= V
EE
+ 1.9V, V
OV
= V
EE
+ 0.5V, External MOSFET is IRF530*
I
RAMP
Ramp Pin Output Current
t
POR
Time from UV to Gate Turn On
2.0
t
RISE
Time from Gate Turn On to V
SENSE
Limit
400
t
LIMIT
Duration of Current Limit Mode
t
PWRGD-A
Time from Current Limit to PWRGD-A
t
PWRGD-B
Maximum Time from PWRGD-A to PWRGD-B
150
t
PWRGD-B
Minimum Time from PWRGD-A to PWRGD-B
3.0
t
PWRGD-C
Maximum Time from PWRGD-B to PWRGD-C
150
t
PWRGD-C
Minimum Time from PWRGD-B to PWRGD-C
3.0
t
PWRGD-D
Maximum Time from PWRGD-C to PWRGD-D
150
t
PWRGD-D
Minimum Time from PWRGD-C to PWRGD-D
3.0
V
RAMP
Voltage on Ramp Pin in Current Limit Mode
t
STARTLIMIT
Start up Time Limit
80
t
CBTRIP
Circuit Breaker Delay Time
2.0
t
AUTO
Automatic Retry Delay
Ordering Information
+0.3V to -100V
-0.3V to +100V
Good Flags
HIGH
LOW
-40
°
C to +85
°
C
-40
°
C to +125
°
C
-65
°
C to +150
°
C
Min
Typ
Max
Units
Conditions
-90
-10
700
450
V
μ
A
μ
A
V
EE
= -48V, Mode = Limiting
V
EE
= -48V, Mode = Sleep
600
400
1.26
1.16
100
1.26
1.16
100
V
V
mV
nA
V
V
mV
nA
Low to High Transition
High to Low Transition
V
UV
= V
EE
+ 1.9V
Low to High Transition
High to Low Transition
V
OV
= V
EE
+ 0.5V
1.0
1.0
40
80
50
100
60
120
mV
mV
V
UV
= V
EE
+ 1.9V, V
OV
= V
EE
+ 0.5V
V
UV
= V
EE
+ 1.9V, V
OV
= V
EE
+ 0.5V
8.5
500
40
10
12
V
μ
A
mA
V
UV
= V
EE
+ 1.9V, V
OV
= V
EE
+ 0.5V
V
UV
= V
EE
+ 1.9V, V
OV
= V
EE
+ 0.5V
V
UV
= V
EE
, V
OV
= V
EE
+ 0.5V
10
5.0
5.0
200
5.0
200
5.0
200
5.0
3.6
100
16
μ
A
ms
μ
s
ms
ms
ms
ms
ms
ms
ms
ms
V
ms
μ
s
s
V
SENSE
= 0V
(See Note 1)
R
TB
= 120k
R
TB
= 3k
R
TC
= 120k
R
TC
= 3k
R
TD
= 120k
R
TD
= 3k
(See Note 2)
May be extended by external RC circuit
250
8.0
250
8.0
250
8.0
120
5.0
Package Options
14 Pin SOIC
HV302NG
HV312NG
Active State of Power
Supertex, Inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 Fax: (408) 222-4895 www.supertex.com