DA9213 datasheet(13/62 Pages) DIALOG

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DA9213, DA9214, and DA9215

Multi-Phase 5A/Phase DC-DC Buck Converter

Datasheet

Revision 2.2

23-Oct-2017

CFR0011-120-00

13 of 62

Parameter

Description

Conditions

Min

Typ

Max

Unit

DA9215 Buck A

IO = 0 to 5 A, tR = 500 ns

PWM 3-phase

VBUCK = 1 V

±2.5

DA9215 Buck B

IO = 0 to 2.5 A,

tR = 200 ns

PWM, 2 x 47 µF

VBUCK = 1 V

±2.5

VTR_LINE

Line regulation transient

voltage

VDD = 3.0 to 3.6 V

dt =10 µs

IO = IO(MAX)/2

IO_MAX

Maximum output current

Per phase

5000

ILIM_MIN

Minimum current limit

per phase (programmable)

BUCKA_ILIM = 0000

BUCKB_ILIM = 0000

Note 3

-20%

4000

20%

ILIM_MAX

Maximum current limit

per phase (programmable)

BUCKA_ILIM = 1111

BUCKB_ILIM = 1111

Note 3

-20%

7000

20%

IQ_PWM

Quiescent current

at synchronous

rectification mode

Per phase

No load

VDD = 3.7 V

fSW

Switching frequency

MHz

tSTUP

Start-up time

BUCKA_UP_CTRL = 011

BUCKB_UP_CTRL = 011

Note 4

µs

RO_PD

Output pull-down

resistance

For each phase at the LX

node at 0.5 V,

(see BUCKx_PD_DIS)

150

200

Ω

RON_PMOS

PMOS on-resistance

incl. pin and routing

VDD = 3.7 V

per phase

mΩ

RON_NMOS

NMOS on-resistance

incl. pin and routing

VDD = 3.7 V

per phase

mΩ

PFM Mode

VBUCK_PFM

Buck output voltage in

PFM

IO = 0 mA to IO_MAX

0.3

1.57

IQ_PFM_A2

DA9214 quiescent current

Buck A enabled

No switching

VDD = 3.7 V

Note 5

µA

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