LX1663CD Microsemi Analog Mixed Signal Group, LX1663CD Datasheet - Page 5

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LX1663CD

Manufacturer Part Number
LX1663CD
Description
IC PWM PROG SGL 5BIT DAC 16SOIC
Manufacturer
Microsemi Analog Mixed Signal Group
Datasheet

Specifications of LX1663CD

Applications
Controller, Intel Pentium® II
Voltage - Input
10.8 ~ 13.2 V
Number Of Outputs
1
Voltage - Output
1.8 ~ 2.8 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
2a, 11/04
95
90
85
80
75
70
1
2
Output Set Point
3
Non-Synchronous Operation, V
FIGURE 2 — Efficiency Test Results:
Note: Non-synchronous operation not recommended for 12V operation, due to power loss in Schottky diode.
EFFICIENCY AT 3.1V
EFFICIENCY AT 2.8V
EFFICIENCY AT 1.8V
4
5
6
I
7
OUT
(A)
FIGURE 4 — Efficiency Test Results: Synchronous Operation, V
8
9
10
IN
= 5V
11
12
13
1.8V EFFICIENCY
2.8V EFFICIENCY
3.3V EFFICIENCY
14
100
95
90
85
80
75
70
LX1662/62A, LX1663/63A
1
2
Output Set Point
3
FIGURE 3 — Efficiency Test Results:
EFFICIENCY AT 3.1V
EFFICIENCY AT 2.8V
EFFICIENCY AT 1.8V
Synchronous Operation, V
4
5
IN
= 12V.
6
7
I
OUT
(A)
8
9
IN
= 5V
10
11
12
13
14
5

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