sc2441a Semtech Corporation, sc2441a Datasheet - Page 13

• Manufacturer Part Number: sc2441a
• Description: Sc2441a 1.8v To 20v Input 2-phase Synchronous Step-down Controllers With Step-up Converter
• Manufacturer: Semtech Corporation

Typical Characteristics
 2006 Semtech Corp.
POWER MANAGEMENT
20.0
19.0
18.0
17.0
16.0
15.0
14.0
13.0
12.0
11.0
10.0
Charge Pump Current I
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.55
1.50
Clock Output High Voltage vs Temperature
-50
-50
-25
-25
0
Temperature (°C)
0
Temperature (°C)
25
I
CLK_OUT
25
PLLF
50
vs Temperature
50
V
= - 80 µ A
PLLF
75
75
= 1V
100 125
100 125
-0.40
-0.45
-0.50
-0.55
-0.60
Current Sense Amplifier Input Bias Current vs
-50
Temperature (Non-inverting Pin)
-25
V
CC
= 8V, V
0
Temperature (°C)
25
13
CS1 (-)
= V
50
CS2 (-)
75
= 0V
100
125
1.5
1.4
1.3
1.2
1.1
1.0
0.9
SYNC/SHDN Input Voltage vs Temperature
-50
0.08
0.07
0.06
0.05
0.04
0.03
Clock Output Low Voltage vs Temperature
-50
SYNC/SHDN Input Low
-25
-25
0
Temperature (°C)
0
Temperature (°C)
25
SYNC/SHDN Input High
25
I
CLK_OUT
50
50
= 200 µ A
75
75
100 125
100 125
SC2441A
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