HV825LG 查看數據表（PDF） - Supertex Inc
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HV825LG Datasheet PDF : 5 Pages
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HV825
Ordering Information
Device
Package Options
8-Lead SO
8-Lead MSOP
HV825
HV825LG
HV825LG-G
-G indicates package is RoHS compliant (‘Green’)
HV825MG
HV825MG-G
Absolute Maximum Ratings
Parameter
Value
Supply voltage, VDD
Operating Temperature Range
0.5V to +2.5V
-25°C to +85°C
Storage Temperature Range
-65°C to +150°C
MSOP-8 Power Dissipation
300mW
SO-8 Power Dissipation
400mW
Absolute Maximum Ratings are those values beyond which damage to the device may
occur. Functional operation under these conditions is not implied. Continuous operation
of the device at the absolute rating level may affect device reliability. All voltages are
referenced to device ground.
Pin Configuration
VDD 1
RSW-Osc 2
CS 3
LX 4
HV825
(top view)
8 REL-Osc
7 VA
6 VB
5 GND
Electrical Characteristics
DC Characteristics (Over recommended operating conditions unless otherwise specified - TA=25°C)
Symbol Parameter
Min
Typ
Max Units Conditions
RDS(ON) On-resistance of switching transistor
-
IIN
VDD supply current (including inductor
current)
-
-
15
Ω I = 50mA
30
38
mA VDD=1.5V. See test circuit
IDDQ
Quiescent VDD supply current
-
-
1.0
μA
RSW-osc = GND
VCS
Output voltage on V
CS
52
56
68
V V = 1.5V. See test circuit
DD
VA-B
Differential output voltage across
lamp
104
112
136
V
VDD = 1.5V. See test circuit
fEL
VA-B output drive frequency
400
-
-
Hz VDD = 1.5V. See test circuit
fSW
Switching transistor frequency
-
30
-
KHz VDD = 1.5V. See test circuit
D
Switching transistor duty cycle
-
88
-
% ---
Recommended Operating Conditions
VDD
Supply voltage
CL
Load Capacitance
TA
Operating temperature
Enable/Disable Table
1.0
-
1.6
V ---
0
6.0
-
nF ---
-25
-
+85
OC ---
V
IL
Low level input voltage to RSW-osc
resistor
0
-
0.2
V
VDD = 1.0V-1.6V
VIH
High level input voltage to RSW-osc re-
sistor
VDD-0.5
-
VDD
V
VDD = 1.0V-1.6V
2
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