DA9062 datasheet(22/101 Pages) RENESAS

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DA9062

PMIC for Applications Requiring up to 8.5 A

Datasheet

Revision 3.8

15-Feb-2022

CFR0011-120-00

22 of 99

5.5.2

Buck3

Unless otherwise noted, the following is valid for TJ = -40 °C to +125 ºC.

Table 15: Buck3 Electrical Characteristics

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input voltage

VDD

VDD = VSYS

IOUT

≤ 1.5 A

2.8

5.5

VDD = VSYS

IOUT > 1.5 A

3.3

5.5

Output capacitor

COUT

IOUT

≤ 1.5 A

Including voltage and

temperature coefficient

-50%

2 * 22

+30%

µF

IOUT > 1.5 A

Including voltage and

temperature coefficient

-50%

2 * 47

+30%

Output capacitor ESR

RCOUT_ESR

COUT = 2 * 22 µF

f > 100 kHz

Including wiring parasitics



COUT = 2 * 47 µF

f > 100 kHz

Including wiring parasitics

7.5

Inductor value

LBUCK

Including current and

temperature dependence

0.7

1.0

1.3

µH

Inductor resistance

RL_DCR

100



PWM Mode

Output voltage

VBUCK

Programmable in 20 mV steps

0.8

3.34

Note 1

Output voltage accuracy

VBUCK_ACC

Including static line and load

regulation and voltage ripple

Note 2

-3%

+3%

Transient load regulation

VTR_LOAD

VDD = 3.6 V, VBUCK = 1.8 V

IOUT = 200 mA to 1000 mA

di/dt = 3 A/µs

L = 1 µH

VDD = 3.6 V, VBUCK = 1.8 V

IOUT = 200 to 2000 mA

dI/dt = 3 A/µs

L = 1 µH

VDD = 5.0 V, VBUCK = 3.34 V

IOUT = 200 mA to 2000 mA

dI/dt = 3 A/µs

L = 1 µH

Transient line regulation

VTR_LINE

VDD = 3.0 V to 3.6 V

IOUT = 500 mA

tR = tF = 10 µs

0.2

Output current

IOUT

VDD - VBUCK

≥ 1.25 V

Note 4

2000

VDD - VBUCK

≥ 1.00 V

1250

VDD - VBUCK

≥ 0.75 V

900

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