SC4601IMSTRT View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC4601IMSTRT' PDF : 18 Pages View PDF
SC4601
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless otherwise specified, VCC = 3.3V, RT = 59Kohm, TA = -40°C to 85°C, TA = TJ.
Parameter
Test Conditions
Error Amplifier (Cont.)
VCOMP High
VCOMP Low
Oscillator
ICOMP = -2mA
ICOMP = 2mA
Initial Accuracy
Minimum Operation Frequency (1)
TA = 25°C, VSYNC/SLEEP = HIGH
Maximum Operation Frequency (1)
SYNC/SLEEP Low Threshold
SYNC/SLEEP High Threshold
Ramp Peak to Valley (1)
VIN ≤ 3.6V
VIN ≤ 3.6V
Ramp Peak Voltage (1)
Ramp Valley Voltage (1)
Sleep, Soft Start, Current Limit
Sleep Input Bias Current
VSYNC/SLEEP = 0V
Soft Start Time (1)
Current Limit Threshold
Bias Current, TJ = 25°C
Temperature Coefficient
Current Limit Blank Time (1)
N-Channel and P-Channel Driver Outputs
Pull Up Resistance (PDRV) (2)
Pull Down Resistance (PDRV) (2)
Pull Up Resistance (NDRV) (2)
Pull Down Resistance (NDRV) (2)
PDRV Output Rise Time (1)
PDRV Output Fall Time (1)
Vcc = 3.3V, IOUT = -100mA (source)
Vcc = 3.3V, IOUT = 50mA (sink)
Vcc = 3.3V, IOUT = -100mA (source)
Vcc = 3.3V, IOUT = 100mA (sink)
Vgs = 3.3V, COUT = 1.0nF
Vgs = 3.3V, COUT = 1.0nF
Min
Typ
Max
2.8
3.1
0.15
0.3
260
300
340
100
600
0.8
2.0
1.3
1.5
1.7
1.85
1.9
0.3
0.35
-1
2.4
-43
-50
-57
0.15
150
3
3
3
3
9
12
Unit
V
V
kHz
kHz
kHz
V
V
V
V
V
µA
ms
µA
%/°C
ns
ohms
ohms
ohms
ohms
ns
ns
2006 Semtech Corp.
3
www.semtech.com
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