MLD571 Micro Electronics Ltd., MLD571 Datasheet - Page 2

• Manufacturer Part Number: MLD571
• Description: One Lamp / Led Driver
• Manufacturer: Micro Electronics Ltd.

PIN ASSIGNMENT (TO-92)
Application circuit 1
Application circuit 2 (for reference only)
PIN NO.
1
2
3
VSS (Negative power supply, GND.)
OUTPUT (lamp/LED flash output,N-MOS open drain.
VDD (Positive power supply.)
7/F, Enterprise Square Three, 39 Wang Chiu Road, Kowloon Bay, Kowloon, Hong Kong.
HOMEPAGE: http://www.microelectr.com.hk
MICRO ELECTRONICS LTD.
TEL: [phone] FAX: [phone]
1.2V - 4.5V
U1
MLD571
0V
VDD
VSS
3
1
OUTPUT
1.2V - 4.5V
2
U1
MLD571
560 ohm
0V
R2
9012 or 8550
Q1
VDD
VSS
3
1
OUTPUT
R3
270 ohm
R1
0 - 100 ohm
美科有限公司
0 - 100 ohm
2
R1
LED1
LED
LED1
LED
(0.18)
12.7
(0.5)
min.
4.6
LED2
LED
1
(0.18)
4.68
LED3
LED
(0.018)
(0.02)
0.51
0.45
ONE Lamp / LED
(0.016)
0.4
Unit: mm(inch)
(0.1)
2.54
MLD571
3
2
Bottom view
Driver
TO-92
Page 2 of 2
(0.14)
3.58
10