DA9131 datasheet(12/56 Pages) DIALOG

номер детали	DA9131

подробное описание детали	High-Performance, Dual-Channel DC-DC Converter for Mobile and Portable Applications

PDF	56 Pages

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производитель	DIALOG [Dialog Semiconductor]

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DA9131

High-Performance, Dual-Channel DC-DC Converter for

Mobile and Portable Applications

Datasheet

Revision 2.0

11-Aug-2021

CFR0011-120-00

12 of 56

3.5

Buck Characteristics

Unless otherwise noted, the following is valid for TJ = -40 °C to +125 °C, VSYS = 2.8 V to 5.5 V.

Table 8: Buck Electrical Characteristics

Parameter

Description

Conditions

Min

Typ

Max

Unit

External Electrical Conditions

VIN

Input voltage

VIN = VSYS

2.8

5.5

COUT

Output capacitance,

including voltage and

temperature coefficient

-40 %

+30 %

μF

ESRCOUT

Output capacitor series

resistance

f > 100 kHz

mΩ

Inductor value, including

current and temperature

dependence

-50 %

220

+20 %

DCRL

Inductor DC resistance

mΩ

Electrical Performance

VOUT

Output voltage,

programmable in 10 mV

steps

IOUT = 0 mA to IMAX at 25 °C

ambient

2.8 V < VOUT + 1 V < VIN

≤

5.5 V

0.3

1.9

ILIM

Current limit, programmable

per phase

Note 1

CHx_ILIM = 1010

-20 %

+20 %

IMAX_0V7

Output current

Note 2

AVDD

≥ VOUT + 0.7 V

IMAX_1V0

Output current

Note 2

AVDD

≥ VOUT + 1.0 V

5.6

VOUT_ACC

Output voltage accuracy,

including static line and load

regulation

VOUT < 1 V

-10

VOUT_ACC

Output voltage accuracy,

including static line and load

regulation

VOUT

≥ 1 V

-1

VTHR_PG_HYS

Power-good voltage

threshold hysteresis

Referred to VTHR_PG_DWN

100

VTHR_PG_DWN

Power-good voltage

threshold for falling

Referred to VOUT

-160

-130

-80

VTHR_HV

High VOUT voltage threshold

Referred to VOUT

100

150

200

VOUT_TR_LINE

Line transient response

VIN = 3 V to 3.6 V

IOUT = 0.5 * IMAX

dt = 10

μs

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