SC4211(2004) 데이터 시트보기 (PDF) - Semtech Corporation
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SC4211 Datasheet PDF : 8 Pages
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SC4211
POWER MANAGEMENT
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 implied.
Parameter
Symbol
Max
Units
Vin, EN, Vo, FB Absolute Voltage
7
V
Power Dissipation
Thermal Resistance Junction to Ambient
SOIC-8EDP(1)
Thermal Resistance Junction to Case
SOIC-8EDP(1)
Operating Ambient Temperature Range
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
ESD Rating (Human Body Model)
Note: (1) 2 square inch of FR-4, double sided, 1 oz. minimum copper weight.
PD
θJA
θJC
TA
TJ
TSTG
TLEAD
VESD
Internally Limited
W
36
°C/W
5.5
-40 to +85
-40 to +150
-65 to +150
300
2
°C/W
°C
°C
°C
°C
kV
Electrical Characteristics
Unless specified: VEN = VIN, VFB = VO, VIN = 1.40V to 5.5V, VIN = (VO + 0.5V) to 5.5V and IO = 1mA to 1A.
Values in bold apply over the full operating temperature range.
Parameter
Symbol
Test Conditions
Min Typ Max Units
VIN
Supply Voltage Range
VIN
Quiescent Current
IQ
VO
VIN = 3.3V, IOUT = 0A
VIN = 5.5V, VEN = 0V
1.40
10
5.5
V
3
mA
50
µA
Output Voltage(1)
(Internal Fixed Voltage)
Line Regulation(1)
Load Regulation(1)
Dropout Voltage(1)(2)
VO
REG(LINE)
REG(LOAD)
VD
VIN = VO + 0.5V, IOUT = 10mA
Full IOUT , and VIN Range
VIN = (VO + 0.5V), VIN < 3.3V, IOUT = 10mA
VIN = (VO + 0.5V), VIN > 3.3V, IOUT = 10mA
VIN = (VO + 0.5V), IOUT = 10mA to 1A
IO = 10mA
-1.5%
-3%
VO
+1.5%
V
+3%
0.25
1.0
%
0.5
1.5
%
0.5
1.5
%
2.5
10
mV
20
IO = 500mA
90
200 mV
300
Notes:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) Defined as the input to output differential at which the output voltage drops to 1.5% below the value measured at a
differential of 0.5V.
(3) Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this requirement.
(4) Guaranteed by design.
2004 Semtech Corp.
2
www.semtech.com
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