HV9821K7-G Supertex, HV9821K7-G Datasheet - Page 3

• Manufacturer Part Number: HV9821K7-G
• Description: LED Lighting Drivers LED Driver, 264Vac- 10Vdc Wide Input IC
• Manufacturer: Supertex

Specifications of HV9821K7-G

• Rohs: yes
• Input Voltage: 80 VAC to 264 VAC
• Maximum Supply Current: 800 uA
• Output Current: Adjustable
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: DFN-19
• Minimum Operating Temperature: - 40 C
• Power Dissipation: 3.3 W

Electrical Characteristics
(Unless otherwise specified: All voltages referenced to OUT pin, T
specified at T
Notes:
Functional Block Diagram
Doc.# DSFP-HV9821
NR032113
Gate Driver (VZ)
T
Current Sense Comparator (RS)
Over-temperature Protection
*
T
OFF
I
ΔT
T
T
OFF(MAX)
VZ(BIAS)
Sym
I
T
I
V
BLANK
DELAY
T
Specifications which apply over the full operating ambient temperature range of -40
VZ(+)
VZ(-)
OFF
HYST
OT
TH
Timer (RT)
A
= 25ºC.)
Description
VZ source current
VZ sink current
VZ bias current
OFF time
Maximum OFF time
Threshold voltage
Leading edge blanking delay
Propagation delay RS to VIN
Over temperature threshold
Temperature hysteresis
C
DD
Q
Q
Timer
OTP
T
OFF
R
R
S
RT
T
GT
HV9821
Driver
+
-
0.50V
100µA
V
Z
~ 100V
ZD1
OUT
A
VDD
= 25ºC, R
*
*
*
-
-
*
*
*
-
-
VZ
0.40
Min
200
125
Blanking
9.2
88
3
T
-
-
-
-
-
L/E
= 100kΩ, V
300ns
1
D2
10.5
0.50
Typ
100
110
6.5
10 ~ 400V (700V peak)
20
REG
-
-
-
-
IN
O
C < T
= 20V, RS = OUT, VZ open. Typical characteristics are
GT
A
Max
11.8
0.60
200
132
400
150
< +125
13
R
-
-
-
VIN
RS
D1
s
O
C, guaranteed by design and characterization.
L1
Units
~V
mA
mA
μA
O
O
μs
μs
ns
ns
V
C
C
Z
Conditions
During T
V
V
R
R
---
---
---
---
---
DD
DD
T
T
C
= 100kΩ
= 1.0MΩ
O
= 8.0V
= 8.0V
Supertex inc.
BLANK
www.supertex.com
LED
, V
HV9821
DD
= 8.0V