ADP5034AREZ-1 データシートの表示（PDF） - Analog Devices

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ADP5034AREZ-1

Dual 3 MHz, 1200 mA Buck Regulators with Two 300 mA LDOs

Analog Devices 

Data Sheet

ADP5034

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 3.

Parameter

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

Line Regulation

Load Regulation

VOLTAGE FEEDBACK

OPERATING SUPPLY CURRENT

BUCK1 Only

BUCK2 Only

BUCK1 and BUCK2

PSM CURRENT THRESHOLD

SW CHARACTERISTICS

SW On Resistance

Current Limit

ACTIVE PULL-DOWN

OSCILLATOR FREQUENCY

Symbol

Test Conditions/Comments

Min

ΔVOUT1/VOUT1,

ΔVOUT2/VOUT2

(ΔVOUT1/VOUT1)/ΔVIN1,

(ΔVOUT2/VOUT2)/ΔVIN2

(ΔVOUT1/VOUT1)/ΔIOUT1,

(ΔVOUT2/VOUT2)/ΔIOUT2

VFB1, VFB2

IIN

IIN

IIN

IPSM

PWM mode; ILOAD1 = ILOAD2 = 0 mA

PWM mode

ILOAD = 0 mA to 1200 mA, PWM mode

Models with adjustable outputs

MODE = ground

ILOAD1 = 0 mA, device not switching, all

other channels disabled

ILOAD2 = 0 mA, device not switching, all

other channels disabled

ILOAD1 = ILOAD2 = 0 mA, device not switching,

LDO channels disabled

PSM to PWM operation

−1.8

0.491

RNFET

RPFET

RNFET

RPFET

RNFET

RPFET

RNFET

RPFET

ILIMIT1, ILIMIT2

RPDWN-B

fSW

VIN1 = VIN2 = 3.6 V; LFCSP package

VIN1 = VIN2 = 3.6 V; LFCSP package

VIN1 = VIN2 = 5.5 V; LFCSP package

VIN1 = VIN2 = 5.5 V; LFCSP package

VIN1 = VIN2 = 3.6 V; TSSOP package

VIN1 = VIN2 = 3.6 V; TSSOP package

VIN1 = VIN2 = 5.5 V; TSSOP package

VIN1 = VIN2 = 5.5 V; TSSOP package

pFET switch peak current limit

VIN1= VIN2 = 3.6 V; Channel disabled

1600

2.5

Typ

−0.05

−0.1

0.5

44

55

67

100

155

205

137

162

156

194

137

154

1950

75

3.0

Max

+1.8

0.509

240

310

204

243

237

270

202

212

2300

3.5

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

Unit

%

%/V

%/A

V

μA

μA

μA

mA

mΩ

mΩ

mΩ

mΩ

mΩ

mΩ

mΩ

mΩ

mA

Ω

MHz

LDO1 AND LDO2 SPECIFICATIONS

VIN3 = (VOUT3 + 0.5 V) or 1.7 V (whichever is greater) to 5.5 V, VIN4 = (VOUT4 + 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, VIN4

IVIN3BIAS/IVIN4BIAS

Total System Input Current IIN

LDO1 or LDO2 Only

LDO1 and LDO2 Only

Test Conditions/Comments

Min Typ Max Unit

1.7

5.5 V

IOUT3 = IOUT4 = 0 µA

IOUT3 = IOUT4 = 10 mA

IOUT3 = IOUT4 = 300 mA

Includes all current into AVIN, VIN1, VIN2, VIN3,

and VIN4

IOUT3 = IOUT4 = 0 µA, all other channels disabled

IOUT3 = IOUT4 = 0 µA, buck channels disabled

10 30 µA

60 100 µA

165 245 µA

53

µA

74

µA

Rev. E | Page 5 of 28

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