sc1486aitstr Semtech Corporation, sc1486aitstr Datasheet - Page 24

• Manufacturer Part Number: sc1486aitstr
• Description: Complete Ddr1/2/3 Power Supply Controller
• Manufacturer: Semtech Corporation

POWER MANAGEMENT
Typical Characteristics (Cont.)
VDDQ Switching Frequency (Continuous Conduction
2006 Semtech Corp.
VDDQ Switching Frequency (Power Save Mode)
350
325
300
275
250
225
200
350
300
250
200
150
100
50
0
Mode) vs. Output Current vs. Input Voltage
0
0
vs. Output Current vs. Input Voltage
1
1
2
2
3
3
4
4
V
V
BAT
I
I
BAT
Please refer to Figure 4 on Page 17 for test schematic
OUT
OUT
5
= 20V
5
= 8V
(A)
(A)
6
6
7
7
V
V
BAT
BAT
= 20V
8
8
= 8V
9
9
10
10
24
VTT Switching Frequency (Continuous Conduction
450
425
400
375
350
325
300
275
250
Mode) vs. Output Current vs. Input Voltage
0.0
REFIN = 0.9V
0.2
0.4
0.6
I
OUT
0.8
(A)
V
V
BAT
BAT
1.0
= 8V
= 20V
SC1486A
www.semtech.com
1.2
1.4
1.6