a8430 Allegro MicroSystems, Inc., a8430 Datasheet - Page 9

• Manufacturer Part Number: a8430
• Description: White Led Driver Constant Current Step-up Converter
• Manufacturer: Allegro MicroSystems, Inc.

White LED Driver Constant Current Step-up Converter
E
0.75
NOM
1
5
.030
Terminal List Table
0.95
BSC
3.40
REF
0.50
MIN
.134
.037
.020
Pin
1
2
3
4
5
R0.20
REF
0.50
0.30
0.20
REF
0.15
MIN
.020
.012
.008
3.00
BSC
0.75
NOM
0.45
0.30
.006
.008
.118
.030
.018
.012
Name
GND
0.95
BSC
SW
VIN
EN
FB
D
2.10
1.85
2.10
MAX
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
.037
Package EK
5
1
5
.083
.073
A
1
5
.083
1
B
C
2
2
Internal power FET
0.95
BSC
Feedback input
0.50
MIN
1.10
MAX
Enable input
Input supply
.037
Function
.020
Ground
3.40
REF
0.05
0.00
1.10
0.85
0.80
0.70
.043
.134
.002
.000
.031
.028
.043
.033
0.20
REF
0.80
0.70
.008
A Pin index area
B Exposed thermal pad
C
D
E
.031
.028
Optional thermal vias, ∅0.30 [.012], pitch 1.2 [.047]
Dimensions in millimeters
U.S. Customary dimensions (in.)
in brackets, for reference only
Typical pad layout including solder pad for exposed
thermal pad; adjust as necessary to meet
application process requirements
Typical pad layout with contact pads only; adjust as
necessary to meet application process requirements
A8430
9