HV9930 Supertex, Inc., HV9930 Datasheet - Page 3

• Manufacturer Part Number: HV9930
• Description: Hysteretic Boost-buck ?uk Led Driver Ic
• Manufacturer: Supertex, Inc.

Electrical Characteristics
of 0°C < T
Input Current Sense Comparator
Output Current Sense Comparator
Notes:
Reference
PWM Dimming
GATE
V
V
V
V
V
V
V
V
I
T
T
R
TURNOFF1
TURNOFF2
SOURCE
T
T
Sym
REFLOAD
PWMD(lo)
PWMD(hi)
T
TURNON1
TURNON2
V
T
1.
REFLINE
I
I
D1,OFF
D2,OFF
PWMD
SINK
D1,ON
D2,ON
REF
RISE
FALL
REF
Also limited by package power dissipation limit, whichever is lower.
A
< +85°C, otherwise the specifi cations are at T
Parameter
REF pin voltage*
Line regulation of reference voltage
Reference output current range
Load regulation of reference
voltage
PWMD input low voltage*
PWMD input high voltage*
PWMD pull-down resistance
GATE short circuit current, sourcing
GATE sinking current
GATE output rise time
GATE output fall time
Voltage required to turn GATE on*
Voltage required to turn GATE off*
Delay to output (turn-on)
Delay to output (turn-off)
Voltage required to turn GATE on*
Voltage required to turn GATE off*
Delay to output (turn-on)
Delay to output (turn-off)
(cont.) (The * denotes the specifi cations which apply over the full operating ambient temperature range
1
A
= 25°C, V
1.212
0.165
0.165
-0.01
Min
2.4
50
-15
-12
88
88
0
0
-
-
-
-
-
-
-
DD
= 7.5V, unless otherwise noted)
1.25
Typ
100
100
150
150
100
150
150
30
30
-
-
-
-
3
-
-
-
0
0
1.288
Max
150
1.0
0.8
20
25
50
50
112
250
250
112
250
250
15
12
-
-
-
Units
mV
mA
mV
kΩ
ns
ns
mV
mV
mV
mV
V
V
V
A
A
ns
ns
ns
ns
Conditions
REF bypassed with a 0.1µF capacitor
to GND, I
REF bypassed with a 0.1µF capacitor
to GND, I
= 5V
REF bypassed with a 0.1µF capacitor
to GND, V
REF bypassed with a 0.1µF capacitor
to GND; I
PWMD = 5V
V
V
V
V
V
C
C
CS2 = 200mV; CS1 increasing;
GATE goes LOW to HIGH
CS2 = 200mV; CS1 decreasing;
GATE goes HIGH to LOW
CS2 = 200mV;
CS1 = 50mV to 200mV step
CS2 = 200mV;
CS1 = 50mV to -100mV step
CS1 = 200mV; CS2 increasing;
GATE goes LOW to HIGH
CS1 = 200mV; CS2 decreasing;
GATE goes HIGH to LOW
CS1 = 200mV;
CS2 = 50mV to +200mV step
CS1 = 200mV;
CS2 = 50mV to -100mV step
IN
IN
PWMD
GATE
GATE
GATE
GATE
= 10 - 200V
= 10 - 200V
= 0V, V
= 10V, V
= 500pF, V
= 500pF, V
= 5V
REF
REF
REF
DD
= 0, V
= 0, V
= 0 - 500µA; V
= 7 -12V, PWMD = 5V
DD
DD
= 7.5V
= 7.5V
DD
DD
DD
DD
= 7.5V
= 7.5V
= 7V, PWMD = 5V
= 7 -12V, PWMD
HV9930
DD
= 7.5;