ADP5024ACPZ-R2 データシートの表示（PDF） - Analog Devices

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ADP5024ACPZ-R2

Dual 3 MHz, 1200 mA Buck Regulators with One 300 mA LDO

Analog Devices 

Data Sheet

ADP5024

LDO SPECIFICATIONS

VIN3 = (VOUT3 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V; CIN = COUT = 1 µF; TJ = −40°C to +125°C for minimum/maximum

specifications, and TA = 25°C for typical specifications, unless otherwise noted. 1

Table 4.

Parameter

INPUT VOLTAGE RANGE

OPERATING SUPPLY CURRENT

Bias Current per LDO2

Symbol

VIN3

IVIN3BIAS

Total System Input Current IIN

LDO Only

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

Line Regulation

Load Regulation3

VOLTAGE FEEDBACK

DROPOUT VOLTAGE4

ΔVOUT3/VOUT3

(ΔVOUT3/VOUT3)/ΔVIN3

(ΔVOUT3/VOUT3)/ΔIOUT3

VFB3

VDROPOUT

CURRENT-LIMIT THRESHOLD5

ACTIVE PULL-DOWN

OUTPUT NOISE

Regulator LDO

POWER SUPPLY REJECTION

RATIO

Regulator LDO

ILIMIT3

RPDWN-L

NOISELDO

PSRR

Test Conditions/Comments

Min

1.7

IOUT3 = 0 µA

IOUT3 = 10 mA

IOUT3 = 300 mA

Includes all current into AVIN, VIN1,

VIN2, and VIN3

IOUT3 = 0 µA, all other channels

disabled

100 µA < IOUT3 < 300 mA

IOUT3 = 1 mA

IOUT3 = 1 mA to 300 mA

VOUT3 = 5.2 V, IOUT3 = 300 mA

VOUT3 = 3.3 V, IOUT3 = 300 mA

VOUT3 = 2.5 V, IOUT3 = 300 mA

VOUT3 = 1.8 V, IOUT3 = 300 mA

Channel disabled

−1.8

−0.03

0.491

335

10 Hz to 100 kHz, VIN3 = 5 V, VOUT3 = 2.8 V

10 kHz, VIN3 = 3.3 V, VOUT3 = 2.8 V,

IOUT3 = 1 mA

100 kHz, VIN3 = 3.3 V, VOUT3 = 2.8 V,

IOUT3 = 1 mA

1 MHz, VIN3 = 3.3 V, VOUT3 = 2.8 V,

IOUT3 = 1 mA

Typ

10

60

165

53

0.001

0.5

50

75

100

180

600

600

100

60

62

63

Max

5.5

30

100

245

+1.8

+0.03

0.003

0.509

140

Unit

V

µA

µA

µA

µA

%

%/V

%/mA

V

mV

mV

mV

mA

Ω

µV rms

dB

dB

dB

1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).

2 This is the input current into VIN3, which is not delivered to the output load.

3 Based on an endpoint calculation using 1 mA and 300 mA loads.

4 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only to output voltages

above 1.7 V.

5 Current-limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 3.0 V

output voltage is defined as the current that causes the output voltage to drop to 90% of 3.0 V or 2.7 V.

Rev. E | Page 5 of 28

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