ELM916DA
450V LED controller
■Block diagram
VIN
1
VDD
6
245mV
-
+
S
R
HV
Regulator
7.5V
●
5V
LDO
OSC
8
RT
Q
Driver
4
GATE
LD
7
●
-
+
2
CS
TST
3
5
GND
PWMD
■Electrical characteristics
Parameter
Symbol
Test condition
Input DC supply voltage range Vindc Line voltage or DC input voltage
Shut-down mode
Iinsd
PWM_D=GND, Vin=8V
supply current
Internal regulated voltage
Vdd
Vin=8 to 450V
VDD under voltage lockout
UVLO Vin rising
threshold
UVLO hysteresis
ΔUVLO Vin falling
PWMD input high level
Ven(hi) Vin=8 to 450V
PWMD input low level
Ven(lo) Vin=8 to 450V
Current sense pull-in
Vcs-th Vin=8 to 450V, Top=25°C
threshold voltage
Linear dimming pin
Vld
Vin=8 to 450V
voltage range
Top=25°C, Vld=Vdd,
Current sense blanking time
Tblank
Vcs=Vcs-th+50mV after Tblank
Rosc=1MΩ
Oscillator frequency
Fosc
Rosc=226kΩ
Maximum duty cycle
Dmax Vcs=0V, Vin=Open, Vdd=10V
GATE sourcing current
Isource Vgate=0V, Vdd=7.5V
GATE sinking current
Isink
Vgate=Vdd, Vdd=7.5V
GATE rising time
tr
Cgate=500pF, Vdd=7.5V
GATE falling time
tf
Cgate=500pF, Vdd=7.5V
Thermal shutdown
Tsd
temperature
Thermal shutdown hysteresis
Tsh
Min.
8
6.7
5.5
2.0
235
0
250
65
165
165
500
20
83
Typ.
0.1
7.5
6.0
500
Top=25°C
Max. Unit
450
V
0.2
8.0
6.5
mA
V
V
mV
V
V
mV
mV
ns
kHz
kHz
%
mA
mA
ns
ns
°C
°C
0.8
245
255
250
650
95
95
150
150
50
50
155
40
6- 3
Rev.1.3
ELM-TECH [ ELM Technology Corporation ]
