BRC1608T1R0M datasheet(4/28 Pages) AD

Part #	BRC1608T1R0M

Description	Dual 3 MHz, 1200 mA Buck

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4 / 28 page

ADP5024

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

ILOAD1 = ILOAD2 = 0 mA to 1200 mA, PWM mode

−3

+3

%

Line Regulation

(ΔVOUT1/VOUT1)/ΔVIN1,

(ΔVOUT2/VOUT2)/ΔVIN2

PWM mode

−0.05

%/V

Load Regulation

(ΔVOUT1/VOUT1)/ΔIOUT1,

(ΔVOUT2/VOUT2)/ΔIOUT2

ILOAD = 0 mA to 1200 mA, PWM mode

−0.1

%/A

VOLTAGE FEEDBACK

VFB1, VFB2

Models with adjustable outputs

0.485

0.5

0.515

V

OPERATING SUPPLY CURRENT

MODE = ground

BUCK1 Only

IIN

ILOAD1 = 0 mA, device not switching, all other

channels disabled

44

μA

BUCK2 Only

IIN

ILOAD2 = 0 mA, device not switching, all other

channels disabled

55

μA

BUCK1 and BUCK2

IIN

ILOAD1 = ILOAD2 = 0 mA, device not switching, LDO

channels disabled

67

μA

PSM CURRENT THRESHOLD

IPSM

PSM to PWM operation

100

mA

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

mA

ACTIVE PULL-DOWN

RPDWN-B

Channel disabled

75

Ω

OSCILLATOR FREQUENCY

fSW

2.5

3.0

3.5

MHz

1

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

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