lm2637mx National Semiconductor Corporation, lm2637mx Datasheet - Page 4

• Manufacturer Part Number: lm2637mx
• Description: Motherboard Power Supply Solution With A 5-bit Programmable Switching Controller And Two Linear Regulator Controllers
• Manufacturer: National Semiconductor Corporation

www.national.com
(V
V
DACOUT
CC
Symbol
= 5V, V
DD
5-Bit DAC Output Voltages for Different VID Codes
= 12V
±
5%, T
A
= 25˚C, Test Mode)
Parameter
TABLE 1. 5-Bit DAC Output Voltage Table
4
VID4:0 = 01111
VID4:0 = 01110
VID4:0 = 01101
VID4:0 = 01100
VID4:0 = 01011
VID4:0 = 01010
VID4:0 = 01001
VID4:0 = 01000
VID4:0 = 00111
VID4:0 = 00110
VID4:0 = 00101
VID4:0 = 00100
VID4:0 = 00011
VID4:0 = 00010
VID4:0 = 00001
VID4:0 = 00000
VID4:0 = 11111
VID4:0 = 11110
VID4:0 = 11101
VID4:0 = 11100
VID4:0 = 11011
VID4:0 = 11010
VID4:0 = 11001
VID4:0 = 11000
VID4:0 = 10111
VID4:0 = 10110
VID4:0 = 10101
VID4:0 = 10100
VID4:0 = 10011
VID4:0 = 10010
VID4:0 = 10001
VID4:0 = 10000
Conditions
(shutdown)
Typical
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
Units
V