ILC7280CS-3028 查看數據表（PDF） - Impala Linear Corporation

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ILC7280CS-3028

Micropower Dual 150mA CMOS RF LDO™ Regulators with 75dB Ripple Rejection

Impala Linear Corporation 

Micropower Dual 150mA CMOS RF LDO™ Regulators with 75dB Ripple Rejection

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Electrical Characteristics ILC7280CS

Unless otherwise specified, all limits are at TA = 25°C; VIN = VO(NOM) + 1V, IOUT = 1mA, COUT = 0.47µF, VS/D = 2V.

Boldface limits apply over the operating temperature range. (Note 2)

Parameter

Symbol Conditions

Min Typ Max Units

Shut Down Input Voltage

VS/D

Peak Output Current (Note 4)

Output Noise Voltage (RMS)

IO(peak)

eN

Ripple Rejection

∆VO/∆VIN

High = Regulator On

Low = Regulator Off

VOUT > 0.95VO(NOM)

BW = 300Hz to 50kHz, CNOISE = 0pF

freq = 1kHz

freq = 10kHz

10

2.0

V

0.6

300 500

mA

µV

60

dB

60

freq = 100kHz

60

Dynamic Line Regulation

∆VO(line) VIN: VO(NOM) + 1V to VO(NOM) + 2V; dVIN/dt =

mV

1V/µS;lo = 150mA

10

Dynamic Load Regulation

∆VO(load) IOUT: 0 to 150mA; d(lOUT)/dt = 50A/µs, with

COUT = 2.2µF

40

20

mV

Short Circuit Current

ISC

VOUT = 0V

300

mA

Note1: Absolute maximum ratings indicate limits which when exceeded may result in damage to the component. Electrical specifications do not apply

when operating the device outside of its rated operating conditions.

Note 2: Specified Min/Max limits are production tested or guaranteed through correlation based on statistical control methods. Measurements are

taken at constant junction temperature as close to ambient as possible using low duty pulse testing.

Note 3: Dropout Voltage is defined as the measured Differential Voltage between input and output voltage, when the output voltage drops 2% below the nominal output

voltage as VIN is decreased, and approaches VOUT . Nominal output voltage is defined at VIN = VOUT + 1V.

Note 4: Guaranteed by design

Impala Linear Corporation

ILC7280 1.8

(408) 574-3939 www.impalalinear.com

May 2000 5

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