
2
HV832
Recommended Operating Conditions
Symbol
Parameter
Min
Typ
Max
Units
Conditions
V
DD
T
A
Supply voltage
2.0
5.0
V
Operating temperature
-40
85
°
C
Electrical Characteristics
DC Characteristics
(Over recommended operating conditions unless otherwise specified, T
A
= 25
°
C)
Symbol
Parameter
Min
Typ
Max
Units
Conditions
R
DS(ON)
V
CS
V
diff
On-resistance of switching transistor
7.0
I = 100mA
Output regulation voltage
80
90
100
V
V
DD
= 2.0V to 5.0V
differential output voltage across each lamp
(EL
1
to Com, EL
2
to Com)
Quiescent V
DD
supply current
Input current into V
DD
pin
Input current including inductor current
160
180
200
V
V
DD
= 2.0V to 5.0V
I
DDQ
I
DD
I
IN
150
nA
150
μ
A
V
DD
= 2.0V to 5.0V
V
IN
= 3.0V.
Driving EL1 or EL2.
See Figure 1.
V
IN
= 3.0V.
Driving both EL1 and EL2.
See Figure 1.
27
32
mA
38
43
V
CS
Output voltage on V
CS
68
78
87
V
V
IN
= 3.0V. Driving EL1 or
EL2. See Figure 1.
62
70
78
V
IN
= 3.0V. Driving both EL1
and EL2, See Figure 1.
f
EL
f
SW
f
SW Drift
D
V
diff
output drive frequency
Switching transistor frequency
350
400
450
Hz
V
IN
= 3.0V. See Figure 1.
V
IN
= 3.0V. See Figure 1.
T
A
= -40
°
C to +85
°
C
See Figure 1.
44.8
51.2
57.6
KHz
Switching transistor frequency Drift
+/- 5.0
KHz
Switching transistor duty cycle
85
%
I
IL
Input logic low current going
into the control pin.
0.6
μ
A
V
DD
= 2.0V to 5.0V.
See Figure 1.
I
IH
Input logic high current going
into the control pin.
0.6
V
IL
V
IH
Logic input low voltage
0
0.25
V
Logic input high voltage
1.75
V
DD
V
* The inductor used is a 330uH Murata inductor, max DC resistance of 10 Ohms, part # LQH32CN331.
Absolute Maximum Ratings*
Supply voltage, V
DD
-0.5V to 7.5V
Output voltage, V
CS
Operating Temperature Range
-0.5V to +120V
-40
°
C to +85
°
C
-65
°
C to +150
°
C
Storage Temperature Range
8 Pin MSOP Power Dissipation
300mW
* All voltages are referenced to ground.
Ordering Information
Package Options
Device
MSOP-8
Die
HV832
HV832MG*
HV832X
* Product supplied on 2500 piece carrier tape reels.