ADP5023ACPZ-1-R7 datasheet(4/28 Pages) AD

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ADP5023

Data Sheet

Rev. A | Page 4 of 28

BUCK1 AND BUCK2 SPECIFICATIONS

VAVIN = VIN1 = VIN2 = 2.3 V to 5.5 V; TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical

specifications, unless otherwise noted.1

Table 2.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

ΔVOUT1/VOUT1,

ΔVOUT2/VOUT2

PWM mode; ILOAD1 = ILOAD2 = 0 mA to 800 mA

−3

Line Regulation

(ΔVOUT1/VOUT1)/ΔVIN1,

(ΔVOUT2/VOUT2)/ΔVIN2

PWM mode

−0.05

%/V

Load Regulation

(ΔVOUT1/VOUT1)/ΔIOUT1,

(ΔVOUT2/VOUT2)/ΔIOUT2

PWM mode; ILOAD = 0 mA to 800 mA

−0.1

%/A

VOLTAGE FEEDBACK

VFB1, VFB2

Models with adjustable outputs

0.485

0.5

0.515

OPERATING SUPPLY CURRENT

MODE = ground

BUCK1 Only

IIN

ILOAD1 = 0 mA, device not switching, all

other channels disabled

μA

BUCK2 Only

IIN

ILOAD2 = 0 mA, device not switching, all

other channels disabled

μA

BUCK1 and BUCK2

IIN

ILOAD1 = ILOAD2 = 0 mA, device not switching,

LDO channels disabled

μA

PSM CURRENT THRESHOLD

IPSM

PSM to PWM operation

100

SW CHARACTERISTICS

SW On Resistance

RNFET

VIN1 = VIN2 = 3.6 V

155

240

mΩ

RPFET

VIN1 = VIN2 = 3.6 V

205

310

mΩ

RNFET

VIN1 = VIN2 = 5.5 V

137

204

mΩ

RPFET

VIN1 = VIN2 = 5.5 V

162

243

mΩ

Current Limit

ILIMIT1, ILIMIT2

pFET switch peak current limit

1600

1950

2300

ACTIVE PULL-DOWN

RPDWN-B

Channel disabled

OSCILLATOR FREQUENCY

fSW

2.5

3.0

3.5

MHz

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

ADP5023ACPZ-1-R7 Datasheet(PDF) 4 Page - Analog Devices

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