HV9803LG-G Supertex, HV9803LG-G Datasheet - Page 3

• Manufacturer Part Number: HV9803LG-G
• Description: LED Lighting Drivers LED Driver w/Average Constant Current
• Manufacturer: Supertex

Specifications of HV9803LG-G

• Rohs: yes
• Input Voltage: 7 V to 13.2 V
• Maximum Supply Current: 2.5 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 650 mW

Electrical Characteristics
(The * denotes specifications which apply over the full operating ambient temperature range of -40°C<T
25°C. V
# Guaranteed by design
* Limits over temperature are guaranteed by design and characterization
Doc.# DSFP-HV9803
NR012313
Current Sense Comparator
Short Circuit Protection
T
GATE Driver
UVLO
OFF
R
V
ΔUVLO
T
T
I
T
T
UVLO
I
SOURCE
A
Sym
D
RT(LIM)
ON(MIN)
UVLO(R)
UVLO(R)
ON(MIN)
T
V
I
t
t
V
V
BLANK
DELAY
SINK
RISE
V(LD)
FALL
MAX
OFF
DD
LIM
LD
CS
Timer
= 12V, PWMD = 5.0V, unless otherwise noted)
Description
External reference voltage
CS reference voltage
LD to CS voltage ratio
Current sense blanking interval
Minimum on-time
Maximum steady-state duty cycle
Internal current reference
Current limit delay CS-to-GATE
UVLO skip timer reset switch
resistance
UVLO skip timer reset voltage
Minimum on-time (short circuit)
Off time
RT over-current threshold
Gate sourcing current
Gate sinking current
GATE output rise time
GATE output fall time
Under-voltage threshold voltage
Under-voltage threshold voltage
hysteresis
(cont.)
*
*
*
*
*
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.165
0.165
1.57
1.17
Min
762
955
150
200
6.7
0.8
3
80
0
-
-
-
-
-
-
-
-
-
0.49
Typ
778
975
150
9.0
1.0
2.8
30
30
-
-
-
-
-
-
-
-
-
-
-
-
Max
1.93
1.29
11.3
794
995
280
760
150
500
300
430
3.0
1.2
50
50
-
-
-
-
-
-
A
<125°C. Otherwise specifications are at T
Units
mV
mV
mV
mA
ns
ns
ns
ns
μs
μs
ns
ns
%
Ω
V
V
A
A
V
-
Conditions
---
V
V
---
---
V
Reduction in output LED
current may occur beyond
this duty cycle
---
V
---
---
V
R
R
---
V
V
C
C
V
V
LD
LD
CS
CS
CS
GATE
GATE
UVLO
UVLO
T
T
GATE
GATE
= 250kΩ
= 25kΩ
= 1.6V
= 2.0V
= 0.5V
= V
= V
= 0V
= V
= 500pF
= 500pF
rising
falling
Supertex inc.
LIM
LIM
DD
+30mV
+30mV
LD
www.supertex.com
+30mV
HV9803
A
=