LM2638MX National Semiconductor, LM2638MX Datasheet - Page 4

• Manufacturer Part Number: LM2638MX
• Description: IC MOTHERBRD PWR SUPPLY 24-SOIC
• Manufacturer: National Semiconductor

Specifications of LM2638MX

• Applications: Power Supplies
• Current - Supply: 6mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM2638MX

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Electrical Characteristics
plain type apply for T
(V
V
DACOUT
CC
Symbol
= 5V, V
DD
5-Bit DAC Output Voltages for Different VID Codes
= 12V
A
= T
±
J
5%, T
= +25˚C. Limits appearing in boldface type apply over the 0˚C to +70˚C range. (Continued)
A
= 25˚C, Test Mode)
Parameter
TABLE 1. 5-Bit DAC Output Voltage Table
V
CC
= 5V, V
DD
= 12V unless otherwise specified. Typicals and limits appearing in
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
1.50
1.55
1.60
1.70
1.80
1.90
2.00
1.45
1.65
1.75
1.85
1.95
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