SC4217 데이터 시트보기 (PDF) - Semtech Corporation
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SC4217 Datasheet PDF : 11 Pages
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SC4217
Absolute Maximum Ratings
VIN, VO, ADJ to GND ………………………………………………6V
EN ………………………………………………… -0.3V to VIN+0.3V
Lead Temperature (Soldering) 10s …………………………… 300°C
ESD Protection Level …………………………………………… 2kV
Recommended Operating Conditions
VIN Range…………………………………………… 1.8V to 5.5V
Maximum Output Current……………………………………… 3A
Operating Ambient Temperature Range ……………… -40 to +85°C
Operating Junction Temperature Range…………… -40 to +125°C
Storage Temperature Range ………………………… -65 to +150°C
Thermal Information
Thermal Resistance, junction to case Jθ(1)JC……………… 3°C/W
Thermal Resistance, junction to ambient JθJA…………… 30°C/W
Other Notes:
Tested according to JEDEC standard JESD22-A114-B.
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.
Exceeding the above specifications 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.
Electrical Characteristics
) Unless otherwise noted, VEN = VIN. VIN = 1.8V to 5.5V, VIN = VO+0.5V, and IO = 10µA to 3A.
2) Values in bold apply over the full operating temperature range.
Parameter
VIN
Quiescent Current
VO
Output Voltage(1)
Line Regulation(1)
Load Regulation(1)
Dropout Voltage(1, 2)
Dropout Voltage(1, 2)
Minimum Load Current(3)
Current Limit
Symbol
IQ
VO
REG(LINE)
REG(LOAD)
VD
VD
IO
ICL
Conditions
VIN = 3.3V
VIN = 5.5V, VEN = 0V
VIN = VO + 0.5V
IO = 10mA
IO = 10mA to 3A
IO = 1A
IO = 1.5A
IO = 3A, VIN = VO + 0.5V
VIN = VO +0.5V
Min Typ Max Units
0.75 1.75 mA
10
50
µA
-2%
+2%
V
-3%
+3%
0.2
0.4
%/V
0.5
1.0
%
90
300
400
mV
200 400
500
300 500
mV
600
1
10
μA
3.3 4.5 6.75
A
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