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HV9982K6-G Datasheet(PDF) 4 Page - Supertex, Inc

Part # HV9982K6-G
Description  Three-Channel, Closed-Loop, Switch Mode LED Driver IC
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

HV9982K6-G Datasheet(HTML) 4 Page - Supertex, Inc

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HV9982
Electrical Characteristics (cont.)
Sym
Parameter
Min
Typ
Max
Units
Conditions
Disconnect Driver (FAULT1, FAULT2 and FAULT3)
T
RISE,FAULT
Fault output rise time
-
-
-
450
ns
330pF capacitor at FAULT pin
T
FALL,FAULT
Fault output fall time
-
-
-
200
ns
330pF capacitor at FAULT pin
Short Circuit Protection (all three channels)
T
BLANK,SC
Blanking time
*
400
-
700
ns
---
G
SC
Gain for short circuit comparator
-
1.85
2.0
2.15
-
---
V
omin
Minimum current limit threshold
#
0.15
-
0.25
V
REF = GND
T
OFF
Propagation time for short circuit
detection
-
-
-
250
ns
FDBK = 2 • REF + 0.1V
HICCUP timer
I
HC,SOURCE
Current source at SKIP pin used for
hiccup mode protection
-
-
10
-
μA
---
V
TH(H)
High threshold at SKIP pin
#
-
5.0
-
V
---
V
TH(L)
Low threshold at SKIP pin
#
-
0.1
-
V
---
C
RAMP for Analog Control of PWM Dimming
F
RAMP,min
Minimum frequency
-
-
110
-
Hz
C
RAMP = 10nF
F
RAMP,max
Maximum frequency
-
-
1250
-
Hz
C
RAMP = 1.0nF
V
RAMP
Voltage of ramp
-
0.1
-
1.9
V
---
# Denotes specifications guaranteed by design.
* The specifications which apply over the full operating temperature range at 0OC < T
A < +85
OC are guaranteed by design and characterization.


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