DA9211 datasheet(13/74 Pages) DIALOG

13 / 74 page

DA9211 and DA9212

Datasheet

Company confidential

Data sheet

Version <3.0>

<07-Jan-2015>

CFR0011-120-00 Rev 3

13 of 74

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

IO = 0 to 5 A, 10 A/µs

auto mode, ph shedding

COUT = 47 µF

VBUCK ≥ 1 V

0.6 V

≤ VBUCK < 1 V

-3.5

-35 mV

Note 2

+3.5

+35 mV

VTR_LINE

Line regulation transient

voltage

VDD = 3 to.3.6 V

dt =10 µs

IO = IO(MAX)/2

RRS_MAX

Maximum remote

sensing resistance (Note

To sense connection at

point of load

mΩ

LRS_MAX

Maximum remote

sensing inductance (Note

To sense connection at

point of load

IO_MAX

Maximum output current

Per phase

3000

ILIM_MIN

Minimum current limit

per phase

(programmable)

BUCKA_ILIM

BUCKB_ILIM

= 0000

-20%

2000

20%

ILIM_MAX

Maximum current limit

per phase

(programmable)

BUCKA_ILIM

BUCKB_ILIM

= 1111

-20%

5000

20%

IQ_PWM

Quiescent current

@ synchronous

rectification mode

Per phase

No load

VDD = 3.7 V

fSW

Switching frequency

MHz

tON_MIN

minimum on time

tSTUP

Start up time

BUCKA_UP_CTRL

BUCKB_UP_CTRL

= 011

(Note

µs

RO_PD

Output pull-down

resistance

For each phase at the LX

node @0.5 V,

(see BUCKx_PD_DIS)

150

200

Ω

PFM Mode

VBUCK_PFM

Buck output voltage in

PFM

IO = 0 mA to IO_MAX

0.3

1.57

IQ_PFM_A2

DA9212 quiescent

current

Buck A enabled

No load

VDD = 3.7 V

µA

IQ_PFM_A4

DA9211 quiescent

current

Buck enabled

No load

VDD = 3.7 V

µA

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