DA9021 datasheet(29/142 Pages) DIALOG

29 / 142 page

DA9021/22

System PMIC with high efficiency USB power manager

Datasheet

Revision 2.5

17-Feb-2017

CFR0011-120-00 Rev 5

29 of 142

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

PSRR

f = 10 Hz to 10 kHz

VDD = 3.6 V

IOUT = IMAX/2

Output noise

f = 10 Hz to 100 kHz

VDD = 3.6 V

IOUT = 5 mA to IMAX

μVrm

Quiescent current

in ON mode

IQON

Note 2

+0.7 %

of IOUT

μA

Quiescent current

in OFF mode

IQOFF

μA

Turn on time

TON

10 % to 90 %

200

μs

Turn off time

TOFF

90 % to 10 %

Pull down

resistance in OFF

mode

ROFF

100



Note 1

Programmable in 50 mV voltage steps, maximum output voltage is determined by VDD - VDROPOUT.

Note 2

Internal regulator current flowing to ground.

8.7.5

LDO10

Table 18: LDO10

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Input voltage

VDD

(if supplied from buck)

2.8

(1.5)

VDD_OUT +

0.3 V

5 V max

Output voltage

VLD010

IOUT = IMAX

1.2

Note 1

3.6

Output accuracy

IOUT = IMAX

-3

Stabilisation

capacitor

COUT

(including voltage and

temperature coefficient

@ configured VLDO10)

-55 %

2.2

+35 %

F

ESR of capacitor

f > 1 MHz

0.1



Maximum output

current

IMAX

VDD

≥ 1.8 V

250

Short circuit current

ISHORT

500

Dropout voltage

VDROPOUT

IOUT = IMAX

(for VDD < 1.8 V

IOUT = IMAX/3)

100

150

Static line

regulation

VSLINE

VDD = 3.0 V to 5.0 V

IOUT = IMAX

Static load

regulation

VSLOAD

IOUT = 1 mA to IMAX

Line transient

response

VTRLINE

VDD = 3.0 V to 3.6 V

IOUT = IMAX

tr = tf = 10 µs

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