HV9957K7-G Supertex, HV9957K7-G Datasheet - Page 5
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HV9957K7-G
Manufacturer Part Number
HV9957K7-G
Description
LED Lighting Drivers LED DRIVER 6 CHANNEL W/ FAULT PROTECTION
Manufacturer
Supertex
Datasheet
1.HV9957K7-G.pdf
(18 pages)
Specifications of HV9957K7-G
Product Category
LED Lighting Drivers
Rohs
yes
Input Voltage
5 V
Maximum Supply Current
10 mA
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
QFN-24
Minimum Operating Temperature
- 40 C
Factory Pack Quantity
3000
Output Characteristics
Output Pulse
Abbreviations:
OVP
OCP
OLP
SLP
OTP
Over-Voltage Protection
Over-Current Protection
Open LED Protection
Shorted LED Protection
Over-Temperature Protection
Supertex inc.
(PWM Dimming)
+3
+2
+1
-1
-2
-3
0
0
Example curves shown for illustrative purposes only.
Normalization reference is the average current of all 6 channels at 900mV.
Limits apply to each channel individually.
0.4
FS
(I
ref
0
CH
1235 Bordeaux Drive, Sunnyvale, CA 94089
0.7 0.8
= 20mA nominal)
10%
V
DO
50%
PWM
FLT
PHD
SFM
RSA
range
1.1 1.2
t
RISE
Pulse Width Modulation
Fault bit or pin
Phased Dimming
Sync Frequency Multiplier
Redistribute start angles
(phased dimming)
90%
1.6
Time
V
t
OUT
PW
5
(V)
2.0
90%
scale change
4.0
t
FALL
D
50%
DIM
Tel: 408-222-8888
= t
10%
PW
6.0
x f
DIM
CCM
DCM
VBST Boost converter output voltage
8.0
Continuous Conduction Mode
Discontinuous Conduction
Mode
www.supertex.com
10
CH1
CH2
CH3
CH4
CH5
CH6
HV9957