G7NB-81A180 Datasheet, PDF (2/2 Pages) Bel Fuse Inc. – NON-ISOLATED DC/DC CONVERTERS 12V Input / Programmable Output / 81A VRM 9.1 Compatible

NON-ISOLATED DC/DC CONVERTERS
12V Input / Programmable Output / 81A VRM 9.1 Compatible
General Specifications
Parameter
Switching Frequency
Dimensions
inches
mm
Weight
Operating Temperature
Non-Operating Temperature
Protection Features
Over current
Undervoltage
Remote On/Off
Efficiency (full load)
1.85V output
Specification
1 MHz typical (fixed)
3.8 x 1.35 x .59
96.5 x 34.3 x 15
TBD
0°C to 70°C
-40°C to 100°C
110% to 170% max Io
UVLO Vin < 10.8V
Active High
86%
Voltage Identification (VID) Code
VID4
VID3
VID2
VID1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
1
0
1
1
0
1
1
1
0
1
1
1
0
0
1
1
0
0
1
0
1
1
1
0
1
1
1
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
0
0
0
1
0
0
0
0
1
1
1
0
1
1
1
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
0
0
1
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
VID0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Vo (VDC)
Output Off
1.1
1.125
1.15
1.175
1.2
1.225
1.25
1.275
1.3
1.325
1.35
1.375
1.4
1.425
1.45
1.475
1.5
1.525
1.55
1.575
1.6
1.625
1.65
1.675
1.7
1.725
1.75
1.775
1.8
1.825
1.85
Pin Connections
Row A
Row B
Pin
Function
Pin Function
1 VIN+
2 VIN+
3 VIN+
4 VIN+
5 NC
6 NC
7 VID3
8 VID1
9 Memory
10 PWRGD
11 VO-sen-
62 VIN-
61 VIN-
60 VIN-
59 VIN-
58 VIN-
57 VID4
56 VID2
55 VID0
54 Ishare
53 OUTEN
52 VO-sen+
12 No Pin
51 No Pin
13 VO-
50 VO+
14 VO+
49 VO+
15 VO-
48 VO-
16 VO+
47 VO+
17 VO-
46 VO-
18 VO+
45 VO+
19 VO-
44 VO-
20 VO+
43 VO+
21 VO-
42 VO-
22 VO+
41 VO+
23 VO-
40 VO-
24 VO+
39 VO+
25 VO-
38 VO-
26 VO+
37 VO+
27 VO-
36 VO-
28 VO+
35 VO+
29 VO-
34 VO-
30 VO+
33 VO+
31 VO-
32 VO-
Notes:
1. Mechanical key between pins 11 & 12 and 51 & 52
2. Pin 6 is electrical key.
CORPORATE
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302
Tel [phone]
Fax [phone]
www.belfuse.com
FAR EAST
Bel Fuse Ltd.
8F/ 8 Luk Hop Street
San Po Kong
Kowloon, Hong Kong
Tel [phone]
Fax [phone]
www.belfuse.com
©2003 Bel Fuse Inc. Specifications subject to change without notice. 011202
EUROPE
Bel Fuse Europe Ltd.
Preston Technology Management Centre
Marsh Lane, Suite G7, Preston
Lancashire, PR1 8UD, U.K.
Tel [phone]
Fax [phone]
www.belfuse.com