DA9063L datasheet(39/173 Pages) DIALOG

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DA9063L

System PMIC for Mobile and Automotive Applications

Datasheet

DA9063L_2v1

05-Apr-2017

CFR0011-120-00

39 of 173

5.8.3

BUCKMEM

Table 20: BUCKMEM, TJ = -40 ºC to +125 ºC

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Input voltage

VDD

VDD = VSYS

2.8

5.5

Output capacitor

COUT

Including voltage and

temperature coefficient

-50 %

2 * 22

+30 %

µF

Merged mode

2 * 47

Output capacitor ESR

Including wiring parasitics

f > 100 kHz

COUT = 2 * 22 μF

mΩ

COUT = 2 * 47 μF

7.5

Inductor value

LBUCK

Including current and

temperature dependence

0.7

1.0

1.3

µH

Inductor resistance

LESR

100

mΩ

Output voltage

VBUCK

Programmable in 20 mV

steps

0.8

3.34

Output voltage accuracy

Including static line/load

regulation and voltage

ripple

IOUT = IMAX

Note 1

-3

Excluding static line/load

regulation and voltage

ripple

TA = 25 °C

VDD = 5 V

VBUCK > 1 V

-2

Transient load regulation

VTR_LD

VDD = 3.6 V

VBUCK = 1.2 V

IOUT = 200 mA / 0.8 * IMAX

dI/dt = 3 A/µs

Note 2

-4

Transient line regulation

VTR_LINE

VDD = 3.0 V to 3.6 V

IOUT = 500 mA

tr = tf = 10 µs

0.2

Output current

IMAX

1500

Current limit

(programmable)

ILIM

Note 3

BMEM_ILIM = 0000

-20 %

1500

+20 %

BMEM_ILIM = 1111

-20 %

3000

+20 %

Quiescent current in

OFF mode

IQ_OFF

µA

Quiescent current in

PWM mode

IQ_ON

IOUT = 0 mA

Switching frequency

Note 4

OSC_FRQ = 0000

2.85

3.15

MHz

Switching duty cycle

14.5

100

Output pull-down resistor

VBUCK = 0.5 V

200

Ω

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