HV9801ALG-G Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV9801ALG-G Datasheet PDF : 9 Pages
| |||
HV9801A
Electrical Characteristics (Specifications are at TA = 25°C, VVIN = 15V unless otherwise noted)
Sym Description
Min Typ Max Unit Conditions
VDD Regulator (cont.)
VVDD
Output voltage
ΔVLINE Line regulation
ΔVDD(UV) VDD Voltage margin
ΔVLOAD Load regulation
Switch Dimming
IVDDX
VUVLO
Supply current after power loss
Undervoltage lockout during VIN
power loss
- 7.25 7.50 7.75
--
-
1
T 500 -
-
--
- 100
V CGATE = 500pF; RRT = 226kΩ
V
VIN = 15 to 450V; CGATE = 500pF;
RRT = 226kΩ
mV ΔVDD(UV) = VDD - UVLO
mV
IVDD = 0 to 1mA; CGATE = 500pF;
RRT = 226kΩ
T-
--
- 700 μA ---
3.5
-
V ---
TPL1
Power loss, qualification-time
TPL2
Power loss, time to reset
FPWM PWM dimming frequency
LED Current Regulator
--
60
-
ms
G-
1
-
s
VVIN falling below VUVLO
-
-
1.2
-
kHz ---
VCST
TLEB
TONX
DMAX
Current sense threshold
T 236 250 256 mV ---
Leading edge blanking time
T 110
-
260 ns ---
Minimum on-time
--
Maximum duty cycle maintaining
regulation
-
80
-
760
ns VCS = VCST + 30mV
-
-
%
LED current falls beyond this
duty cycle
Short Circuit Protection
VCSH
Hiccup threshold
TDLY
VCS high to GATE low delay
TSCH
Hiccup time
TONX
Minimum on-time
-
-
440
-
mV ---
-
-
-
180
ns VCS = VCST + 30mV
-
-
750
-
μs ---
-
-
-
430
ns CS = VDD
TOFF Timer
TOFF
Off-time
GATE Driver
-
32
40
48
μs RRT = 1MΩ
- 8.0 10 12
RRT = 226kΩ
ISRC
Sourcing current
ISINK
Sinking current
tRISE
Rise time
tFALL
Fall time
Over-temperature Protection
- 165 -
-
mA VGATE = 0V
- 165 -
-
mA VGATE = VDD
-
-
30
50
ns CGATE = 500pF
-
-
30
50
ns CGATE = 500pF
TTRIP
Trip temperature
G-
140
-
°C ---
ΔTTRIP Hysteresis
G-
20
-
°C ---
Notes:
G Not production tested; guaranteed by design or characterization.
T Specifications apply over the full operating ambient temperature range of -40°C < TA < +125°C.
Doc.# DSFP-HV9801A
B051412
3
Supertex inc.
www.supertex.com
Share Link: 