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HV9910 Datasheet(PDF) 2 Page - Supertex, Inc

Part # HV9910
Description  Universal High Brightness LED Driver
PDF  8 Pages
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

HV9910 Datasheet(HTML) 2 Page - Supertex, Inc

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HV9910
Ordering Information
Device
Package Options
SOIC-16
SOIC-8
HV9910
HV9910NG-G
HV9910LG-G
-G indicates package is RoHS compliant (‘Green’)
Absolute Maximum Ratings
Parameter
Value
V
IN to GND
-0.5V to +470V
CS
-0.3V to (V
DD + 0.3V)
LD, PWM_D to GND
-0.3V to (V
DD - 0.3V)
GATE to GND
-0.3V to (V
DD + 0.3V)
V
DDMAX
13.5V
Continuous Power Dissipation (T
A = +25°C) (Note 1)
16-Pin SO (derate 7.5mW/°C above +25°C)
750mW
8-Pin SO (derate 6.3mW/°C above +25°C)
630mW
Operating temperature range
-40°C to +85°C
Junction temperature
+125°C
Storage temperature range
-65°C to +150°C
Symbol
Parameter
Min
Typ
Max
Units
Conditions
Electrical Characteristics
(Over recommended operating conditions unless otherwise specified - T
A = 25°C)
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.
V
INDC
Input DC supply voltage range
8.0
450
V
DC input voltage
I
INsd
Shut-down mode supply current
-
0.5
1
mA
Pin PWM_D to GND, V
IN = 8V
V
DD
Internally regulated voltage
7.0
7.5
8.0
V
V
IN = 8 – 450V, IDD(ext) = 0, pin GATE open
V
DDmax
Maximal pin V
DD voltage
-
-
13.5
V
When an external voltage applied to pin V
DD
I
DD(ext)
V
DD current available for external
circuitry 1
--
1.0
mA
V
IN = 8 – 100V
UVLO
V
DD undervoltage lockout threshold
6.45
6.7
6.95
V
V
IN rising
∆UVLO
V
DD undervoltage lockout hysteresis
-
500
-
mV
V
IN falling
V
EN(lo)
Pin PWM_D input low voltage
-
-
1.0
V
V
IN = 8 – 450V
V
EN(hi)
Pin PWM_D input high voltage
2.4
-
-
V
V
IN = 8 – 450V
R
EN
Pin PWM_D pull-down resistance
50
100
150
kΩ
V
EN = 5V
V
CS(hi)
Current sense pull-in threshold
voltage
225
250
275
mV
@T
A = -40°C to +85°C
V
GATE(hi)
GATE high output voltage
V
DD-0.3
-
V
DD
VI
OUT = 10mA
V
GATE(lo)
GATE low output voltage
0
-
0.3
V
I
OUT = -10mA
f
OSC
Oscillator frequency
20
80
25
100
30
120
kHz
kHz
R
T = 1.00MΩ
R
T = 226kΩ
D
MAXhf
Maximum PWM duty cycle
-
-
100
%
F
PWMhf = 25kHz, at GATE, CS to GND.
V
LD
Linear dimming pin voltage range
0
-
250
mV
@T
A = <85°C, VIN = 12V
T
BLANK
Current sense blanking interval
150
215
280
ns
V
CS = 0.55VLD, VLD = VDD
1 Also limited by package power dissipation limit, whichever is lower.
8-Lead SOIC
16-Lead SOIC
NC
NC
NC
NC
NC
NC
NC
NC
VIN
CS
GND
GATE
PWM_D
VDD
LD
ROSC
PWM_D
VDD
LD
ROSC
VIN
CS
GND
GATE
Pin Configurations



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