HV9910LG-G Supertex, HV9910LG-G Datasheet - Page 8

• Manufacturer Part Number: HV9910LG-G
• Description: LED Drivers Universal Hi Bright
• Manufacturer: Supertex

Specifications of HV9910LG-G

• Operating Supply Voltage: 8 V to 450 V
• Maximum Power Dissipation: 630 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2: HV9910 Buck driver for a simple 900mA HB LED (V
Figure 3: HV9910 Buck-Boost driver powering 3 to 8, 350mA HB LEDs (V
V
V
IN
IN
= 8 - 30V
V
V
= 8-30V
V
V
IN
IN
IN
IN
+1
-1
+1
-1
2.2µF,
2.2µF,
10V
16V
C5
C6
C8
10µF,
35V
C7
10µF,
35V
PWMD1
PWMD1
6
7
U2
5
6
7
5
C7
10µF,
35V
PWMD
C6
10µF,
35V
V
LD
DD
U2
HV9910
V
LD
PWMD
1
3
DD
HV9910
1
3
GATE
R
OSC
CS
R
Gate
OSC
CS
4
8
2
R2
470KΩ
4
8
2
R11
267KΩ
8
Q2
2
1
Q2
IRFL014
L2
1000µH
R6
0.27Ω
VN3205
R10
0.27Ω
1
D2
B140-13
220µH
D13
B260A-13
L2
4.7µF,
16V
2
C4
IN
= 8 - 30V)
3 to 8 350mA
HB LED
900mA at 4.5V
HB LED's
IN
LED
LED
LED
= 8 - 30V)
HV9910
LED
LED
LED