SC1541 查看數據表（PDF） - Semtech Corporation

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SC1541

1.0A Low Dropout Voltage Regulator with Enable

Semtech Corporation 

SC1541

PRELIMINARY

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless otherwise specified: IO = 0mA to 1A, VEN = VIN, 1.8V Option: VIN = 3.2V to 7.0V, 2.5 Option: VIN = 3.9V to 7.0V,

3.3V Option: VIN = 4.7V to 7.0V. Values in bold apply over full operating temperature range.

Parameter

Symbol

Min

Typ

Max

Units

Temperature Coefficient

TC

0.005

Temperature Stability

TS

0.5

RMS Output Noise(3)

VN

0.003

Ripple Rejection Ratio(4)

RA

VIN = 5V

60

72

Notes:

(1) Low duty cycle pulse testing with Kelvin connections required.

(2) ∆VOUT, ∆VREF = 1%.

(3) Bandwidth of 10 Hz to 10kHz.

(4) 120Hz input ripple.

(5) This device is ESD sensitive. Use of standard ESD handling precautions is required.

%/C

%

%VOUT

dB

 2004 Semtech Corp.

3

www.semtech.com

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