HV9919 Supertex, Inc., HV9919 Datasheet - Page 3

• Manufacturer Part Number: HV9919
• Manufacturer: Supertex, Inc.

Electrical Characteristics
Sense Comparator
DIM Input
Gate Driver
Over-Temperature Protection
Analog Control of PWM Dimming
*
V
V
∆T
V
I
V
Sym
CS(HYS)
V
T
GATE(LO)
V
t
T
GATE(HI)
f
t
Guaranteed by design and characterization, 100% tested at T
V
DPDH
t
T
RAMP
RS(LO)
DPDL
V
RS(HI)
V
t
I
OFF
RISE
HiGH
FALL
LOW
CS
ON
HYST
OT
OS
IH
IL
Description
Sense voltage threshold high
Sense voltage threshold low
Propagation delay to output high
Propagation delay to output low
Current-sense input current
Current-sense threshold hysteresis
Pin DIM input high voltage
Pin DIM input low voltage
Turn-on time
Turn-off time
GATE output rise time
GATE output fall time
GATE high output voltage
GATE low output voltage
Over temperature trip limit
Temperature hysteresis
Dimming frequency
RAMP threshold, Low
RAMP threshold, High
ADIM offset voltage
(cont.)
(V
IN
= 12V, V
V
A
= 25
DD
1.84
Min
213
158
128
DIM
2.0
-20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-0.5
= V
O
C.
DD
3
, C
Typ
VDD
1000
230
170
100
100
140
100
0.1
80
80
56
25
25
60
-
-
-
-
-
-
-
= 1.0µF, R
Max
1.96
+20
246
182
1.0
0.8
0.5
70
50
50
CS
-
-
-
-
-
-
-
-
-
-
-
= 0.5Ω, T
Units
mV
mV
mV
mV
µA
Hz
ºC
ºC
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
A
= T
J
= -40 to +125
Conditions
(V
(V
Falling edge of (V
Rising edge of (V
(V
---
---
---
DIM rising edge to
V
DIM falling edge to
V
C
C
I
I
---
---
C
C
---
---
---
GATE
GATE
GATE
GATE
GATE
GATE
RAMP
RAMP
IN
IN
IN
- V
- V
- V
= 10mA
= -10mA
= 1.0nF
= 1.0nF
= 0.5 x V
= 0.5 x V
= 10nF
= 1.0nF
CS
CS
CS
) rising
) falling
) = 200mV
O
C* unless otherwise noted)
DD
DD
, C
, C
IN
IN
- V
GATE
GATE
HV9919
- V
CS
CS
= 1.0nF
=1.0nF
)
)