ADP1883ARMZ-0.3-R7 datasheet(3/40 Pages) AD

3 / 40 page

ADP1882/ADP1883

Rev. 0 | Page 3 of 40

SPECIFICATIONS

All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). VDD = 5 V, BST − SW = 5 V,

VIN = 13 V. The specifications are valid for TJ = −40°C to +125°C, unless otherwise specified.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

POWER SUPPLY CHARACTERISTICS

High Input Voltage Range

VIN

ADP1882ARMZ-0.3/ADP1883ARMZ-0.3 (300 kHz)

2.75

ADP1882ARMZ-0.6/ADP1883ARMZ-0.6 (600 kHz)

2.75

ADP1882ARMZ-1.0/ADP1883ARMZ-1.0 (1.0 MHz)

3.0

Low Input Voltage Range

VDD

CIN = 1 μF to PGND, CIN = 0.22 μF to GND

ADP1882ARMZ-0.3/ADP1883ARMZ-0.3 (300 kHz)

2.75

5.5

ADP1882ARMZ-0.6/ADP1883ARMZ-0.6 (600 kHz)

2.75

5.5

ADP1882ARMZ-1.0/ADP1883ARMZ-1.0 (1.0 MHz)

3.0

5.5

Quiescent Current

IQ_DD + IQ_BST

FB = 1.5 V, no switching

1.1

Shutdown Current

IDD,SD + IBST,SD

COMP/EN < 285 mV

140

215

μA

Undervoltage Lockout

UVLO

Rising VDD (see Figure 35 for temperature variation)

2.65

UVLO Hysteresis

Falling VDD from operational state

190

SOFT START

Soft Start Period

See Figure 58

3.0

ERROR AMPLIFIER

FB Regulation Voltage

VFB

TJ = 25°C

800

TJ = −40°C to +85°C

795.3

800

805.5

TJ = −40°C to +125°C

792.8

800

808.0

Transconductance

300

520

730

μs

FB Input Leakage Current

IFB, LEAK

FB = 0.8 V, COMP/EN = released

CURRENT-SENSE AMPLIFIER GAIN

Programming Resistor (RES)

Value from DRVL to PGND

RES = 47 kΩ ± 1%

2.98

3.4

3.7

V/V

RES = 22 kΩ ± 1%

6.6

7.4

V/V

RES = none

24.1

26.7

29.3

V/V

RES = 100 kΩ ± 1%

12.1

13.4

14.7

V/V

SWITCHING FREQUENCY

Typical values measured at 50% time points with

0 nF at DRVH and DRVL; maximum values are

guaranteed by bench evaluation1

ADP1882ARMZ-0.3/

ADP1883ARMZ-0.3 (300 kHz)

300

kHz

On Time

VIN = 5 V, VOUT = 2 V, TJ = 25°C

1115

1200

1285

Minimum On Time

VIN = 20 V

145

190

Minimum Off Time

84% duty cycle (maximum)

340

400

ADP1882ARMZ-0.6/

ADP1883ARMZ-0.6 (600 kHz)

600

kHz

On Time

VIN = 5 V, VOUT = 2 V, TJ = 25°C

490

540

585

Minimum On Time

VIN = 20 V, VOUT = 0.8 V

110

Minimum Off Time

65% duty cycle (maximum)

340

400

ADP1882ARMZ-1.0/

ADP1883ARMZ-1.0 (1.0 MHz)

1.0

MHz

On Time

VIN = 5 V, VOUT = 2 V, TJ = 25°C

280

312

340

Minimum On Time

VIN = 20 V

Minimum Off Time

45% duty cycle (maximum)

340

400

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