HMLQ25201T-R47MSR datasheet(16/52 Pages) RENESAS

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DA9080

High Current, Highly Configurable System

PMIC with Four Bucks and One LDO

Datasheet

Revision 1.2

08-Feb-2022

CFR0011-120-00

16 of 51

5.5.4

CH4 Buck Converter Characteristics

Table 10: CH4 Buck Converter Electrical Characteristics

Parameter

Description

Conditions

Min

Typ

Max

Unit

External Electrical Conditions

VIN

Input voltage of power

stage

5.5

COUT

Output capacitance,

including voltage and

temperature

coefficient

4 x 47 μF

203

μF

ESRCOUT

Output capacitor

series resistance

f > 100 kHz

mΩ

Inductor value,

including current and

temperature

dependence

0.23

0.47

0.61

μH

DCRL

Inductor DC

resistance

mΩ

Electrical Performance

IOUT

Maximum output

current

5000

IQ_AUTO

Quiescent current in

Auto mode (no

switching)

μA

fSW

Switching frequency

1.9

2.1

MHz

VOUT

Output voltage range

VIN = 4.0 V to 5.5 V

0.8

1.4

VOUT_STP

Output voltage

programable step

VOUT_ACC_DFLT

Accuracy of default

output voltage

In PWM mode

VOUT = 1.0 V

IOUT = 1 A

0.99

1.01

VOUT_ACC_LINE

Static line regulation

0.5

%/V

VOUT_ACC_LD

Static load regulation

In PWM mode

IOUT = 5 A

0.1

%/A

VOUT_ACC_ACDC

Output voltage

accuracy, including

PWM/PFM ripple and

load transient

VOUT = 1.0 V

COUT

= 4 x 47 μF

Load transient 1: from

0.5*IMAX to IMAX in 0.2

A/μs

Load transient 2: from 50 mA

to 0.5*IMAX in 0.2

A/μs

IMAX = 5 A

VIN = 5.0 V

TA = 25 °C

-4

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