Datasheet

I-18
www.recom-electronic.com
REV: 1/2010
R-78AA-1.0
1.0Adc R-78A1.8-1.0SMD R-78A2.5-1.0SMD R-78A3.3-1.0SMD R-78A5.0-1.0SMD
Vout (nom.) 1.8Vdc 2.5Vdc 3.3Vdc 5.0Vdc
Vout (adj) R1 R2 R1 R2 R1 R2 R1 R2
1.5 (V) 3KΩ 200Ω
1.8 (V) 12KΩ
2.5 (V) 11.8KΩ
3.0 (V) 4.64KΩ 44.2KΩ 88.4KΩ 17KΩ
3.3 (V) 27KΩ
3.6 (V) 60.4KΩ 42KΩ
3.9 (V) 28KΩ 58KΩ
4.5 (V) 11.3KΩ 180KΩ
4.9 (V) 7.15KΩ 850KΩ
5.0 (V) 6.34KΩ
5.1 (V) 5.9KΩ 231KΩ
5.5 (V) 3.9kΩ 56.2KΩ
Package Style and Pinning (mm)
Table 1: Adjustment Resistor Values
INNOLINE
DC/DC-Converter
R-78AAxx-1.0 SMD
Series
12.35
Bottom View
0.55
Top View
15.30
8.80
15.00
2.54x4
9.24
10 7
2
4
5
11.00
9.40
9.60
RECOM
R-78Axx-0.5SMD
xxxx
1
2.54
13.00
1.80
10 7
2415
1.30
1.20
3
68
9
3
6
89
3rd angle
projection
SMD 10Pin Package
Pin Connections
Pin #
1,2 +Vin
3,7,8,9 GND
4,5 +Vout
6 V adj
10 Remote On/Off
xx.x ±0.5mm
xx.xx ±0.25mm
Recommended Footprint Details