SC415 Semtech Corporation, SC415 Datasheet - Page 5

• Manufacturer Part Number: SC415
• Description: Dual Synchronous Buck Controller
• Manufacturer: Semtech Corporation

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Electrical Characteristics (continued)
Parameter
Regulation (Continued)
VOUT2 On-Time Threshold
VOUTx Line Regulation Error
VOUTx Load Regulation Error
Timing
VOUTx On-Time
VOUTx Set to 1.5V
Minimum On-Time
Minimum Off -Time
Soft-Start/Shutdown
Soft-Start SSx Current Source
Soft-Start Ramp Time
SSx Shutdown
Discharge Resistance
VOUTx Shutdown
Discharge Resistance
Analog Inputs/Outputs
VOUT1 Input Resistance
VOUT2 Input Resistance
FBx Input Bias Current
Current Sense
ILIMx Source Current
ILIMx Comparator Off set
Current Limit (Negative)
Zero Crossing Detector Threshold
Power Good
PGDx Threshold
PGDx Threshold Delay Time
(1)
(2)
FB1 = RTN; -40 to 85°C
VOUT1; RTON = 1Meg
VOUT2; RTON = 1Meg
VOUT1; RTON = 499K
VOUT2; RTON = 499K
1% Hysteresis Typical,
FB1 = RTN; 0 to 85°C
FB1 = 5V; -40 to 85°C
FB1 = 5V; 0 to 85°C
VOUTx < 300mV
VOUTx < 300mV
Regulation Point
with Respect to
Conditions
CSSx = 4.7nF
EN1 = VDD1
EN2 = VDD2
ILIMx - GND
ENx = RTN,
ENx = RTN,
LXx - GND
LXx - GND
DH1, DH2
DL1, DL2
Min
25°C
-12%
1500
Typ
1.25
1.25
1.05
1.05
0.04
400
330
200
167
330
120
0.3
50
16
16
90
10
80
5
0
5
Max
1.2343
1.2281
1.0368
1.0316
Min
320
260
-9%
-10
3.5
60
-1
-7
9
-40° to 85°C
1.2656
1.2718
1.0631
1.0684
-15%
Max
+10
480
400
100
6.5
+1
11
+7
SC415
Units
nsec
nsec
nsec
μsec
μsec
%/V
mV
mV
mV
μA
kΩ
kΩ
μA
μA
%
Ω
Ω
V
V
5