SC250 View Datasheet(PDF) - Semtech Corporation
Part Name
Description
MFG CO.
'SC250' PDF : 18 Pages View PDF
SC250
POWER MANAGEMENT
PRELIMINARY
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the
Electrical Characteristics section is not recommended.
Parameter
Symbol
Maximum
Units
Input Supply Voltage
VIN
-0.3 to 7
EN and VDAC Inputs
VEN, VDAC
-0.3 to 7
LX Pin Voltage (Power switch OFF)
VLX
-1 to VIN + 1, 7V MAX
VOUT Voltage
VOUT
-0.3 to 7
VOUT Short Circuit to GND duration
tSC
Continuous
Thermal Impedance Junction to Ambient (1)
θJA
110
Operating Ambient Temperature Range
TA
-40 to +85
Junction Temperature
TJC
+150
Storage Temperature
TS
-60 to +160
Peak IR Reflow Temperature
TP
260
ESD Protection Level (2)
VESD
2
Note:
1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested according to JEDEC standard JESD22-A114-B.
Electrical Characteristics
Unless otherwise noted: V = V =3.6V, T = -40 to 85°C. Typical values are at T = +25°C.
IN
EN
A
A
Parameter
Symbol
Conditions
Min
Typ
Max
V
V
V
V
s
°C/W
°C
°C
°C
°C
kV
Units
Input Voltage Range
VOUT Accuracy
VOUT Line Regulation
VOUT Load Regulation
VREF Accuracy
VREF Line Regulation
VREF Load Regulation
VREF Load Current
Peak Inductor Current
Bypass FET Current Limit
VIN
VOUT
VOUT LINE
VOUT LOAD
VREF
VREF LINE
VREF LOAD
IREF
ILX PK
IPASS
VIN = 4V, VDAC = 0.1V, IOUT = 0.3A
VIN = 4V, VDAC = 1.1V, IOUT = 0.3A
VIN = 2.7V to 5.0V, VDAC = 0.7V
IOUT = 0A to 600 mA, VDAC = 0.7V
IREF = 10 mA
IREF = 1 mA, IOUT = 0A
IREF = 0.1 to 20 mA
2.7
5.0
V
0.25
0.3
0.35
V
3.23
3.3
3.37
V
0.4
%/V
-0.7
%
2.8
2.85
2.9
V
0.3
%/V
-0.5
%
20
mA
0.8
1.5
A
1
2.5
A
© 2006 Semtech Corp.
2
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