FAN5059MX Datasheet, PDF (8/18 Pages) Fairchild Semiconductor – High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms

FAN5059
Typical Operating Characteristics (continued)
2.042
2.040
2.038
2.036
2.034
2.030
2.028
2.026
0
25
70
100
Temperature (°C)
PRODUCT SPECIFICATION
Linear Regulator Noise
Time (100µs/div)
Application Circuit
L1
(Optional)
+5V
C_IN*
R6
C1
R7
R5
C2
VO
C_OUT*
C10 C11
R2
Q1
L2
Q2
D1
R3
3.3V IN
Q3
1.5V†
C8
Q4
2.5V†
C9
VID4
VID3
VID2
VID1
VID0
1
2
3
4
U1
5
FAN5059
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
TYPEDET
13
C12
R1
+12V
C5
C3
VCC
Q5
C4
3.3/1.5V
(AGP)†
C7
ENABLE/SS
R4
PWRGD
C6
* Refer to Appendix for values of C_IN, C_OUT,
R5 and R7.
† Adjustable with an external divider.
Figure 1. Typical Application Circuit
(Worst Case Analyzed! See Appendix for Details)
8
REV. 1.0.4 8/14/03