SC4216 데이터 시트보기 (PDF) - Semtech Corporation

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SC4216

Very Low Input/Very Low Dropout 3 Amp Regulator With Enable

Semtech Corporation 

SC4216

Absolute Maximum Ratings

VIN, EN, VO, FB to GND (V) . . . . . . . . . . . . . . . . . . -0.3 to +7.0

Power Dissipation . . . . . . . . . . . . . . . . . . . . . Internally Limited

ESD Protection Level(1) (kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Recommended Operating Conditions

VIN (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.45<VIN<5.5

Ambient Temperature Range (°C). . . . . . . . . -40<TA<+105

Junction Temperature Range (°C). . . . . . . . . -40 <TJ < +125

Maximum Output Current (A) . . . . . . . . . . . . . . . . . . . . . . . . .3

Thermal Information

Thermal Resistance, Junction to Ambient(2) (°C/W) . . . . 36

Thermal Resistance, Junction to Case(2) (°C/W). . . . . . . . 5.5

Maximum Junction Temperature (°C) . . . . . . . . . . . . . .+150

Storage Temperature Range (°C) . . . . . . . . . . . . -65 to +150

Peak IR Re ow Temperature (10s to 30s) (°C) . . . . . . +260

Exceeding the above speci cations may result in permanent damage to the device or device malfunction. Operation outside of the parameters

speci ed in the Electrical Characteristics section is not recommended.

NOTES:

(1) Tested according to JEDEC standard JESD22-A114-B.

(2) 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.

Electrical Characteristics

Unless speci ed: VEN = VIN, VFB = VO, VIN = 1.45V to 5.5V, IO = 10µA to 3A, TA = 25° C.

Values in bold apply over the full operating temperature range.

Parameter

Symbol

Conditions

VIN

Quiescent Current

IQ

VIN = 3.3V, IO = 0A

VIN = 5.5V, VEN =0V

VO

Output Voltage(1)

(Fixed Voltage, VFB = 0)

Line Regulation(1)

Load Regulation(1)

VO

REG (LINE)

REG(LOAD)

VIN= VO + 0.5V, IO = 10mA

1.45V ≤ VIN ≤ 5.5V, IO = 10mA

IO =10mA

10mA ≤ IO ≤ 3A, 1.6V ≤ VIN ≤ 5.5V

Dropout Voltage(1)(2)

VDO

IO =500mA

IO =1A

Min Typ Max Units

3

mA

10

50

µA

-2%

+2%

-3%

VO

+3%

V

0.2

0.4

%/V

0.25 1.0

%

75

150

200

mV

150 250

300

3

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