SC2446 Semtech Corporation, SC2446 Datasheet - Page 28

• Manufacturer Part Number: SC2446
• Description: Dual-Phase Single or Two Output Synchronous Step-Down Controller
• Manufacturer: Semtech Corporation

AVCC UVLO vs. Temperature
REFout Voltage vs. Temperature
POWER MANAGEMENT
Typical Performance Characteristics
2004 Semtech Corp.
4.55
4.45
4.35
1.26
1.25
1.24
1.23
1.22
1.21
4.6
4.5
4.4
4.3
1.2
-50
-50
0
Ta (degree)
0
Ta (degree)
50
50
REFin=1.25V
100
AVCC (Rising)
AVCC (Falling)
100
28
REF Voltage vs. Temperature
Switching Frequency vs. Temperature
512
510
508
506
504
502
500
498
-50
502.5
501.5
500.5
499.5
498.5
502
501
500
499
498
-50
0
Ta (degree)
0
Ta (degree)
www.DataSheet4U.com
Rosc=51.1 kOhm
50
50
www.semtech.com
SC2446
100
100