VR5510 datasheet(39/203 Pages) NXP

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NXP Semiconductors

VR5510

Multi-output PMIC with SMPS and LDO

Symbol

Parameter

Min

Typ

Max

Unit

Output voltage accuracy (0.4 V< VBUCK12 < 0.7 V), PWM

-10

—

Output voltage accuracy (0.7 V ≤ VBUCK12 ≤ 0.8 V), PWM

-8

—

Output voltage accuracy (0.8 V< VBUCK12≤ 1.5 V), PWM

-1.5

—

1.5

Output voltage accuracy (VBUCK12 = 1.8 V), PWM

-2

—

Output voltage accuracy (0.4 V< VBUCK12< 1.5 V), PFM

- 30

—

VBUCK12ACC

Output voltage accuracy (VBUCK12 = 1.8 V), PFM

- 40

—

IBUCK12_Q

Quiescent Current, PFM Mode, VSUP = 12 V

—

μA

VBUCK12_SW

Switching Frequency Range

2.1

2.22

2.35

MHz

LBUCK12

Inductor for VBUCK12_SW =2.22 MHz

—

1.0

—

μH

Effective output capacitor (for 1 phase)

—

160

μF

COUT_BUCK12

Output decoupling capacitor

—

0.1

—

μF

Effective input capacitor

(one each close to BUCK1_IN and BUCK2_IN pins)

4.23

—

μF

CIN_BUCK12

Input decoupling capacitor

(one each close to BUCK1_IN and BUCK2_IN pins)

—

0.1

—

μF

VBUCK12_TLR

Transient Load Regulation for VBUCK12 <1.2 V

(Cout = 44 μF, from 200 mA to 1 A, di/dt = 2 A/μs) single phase

(Cout = 44 μF, from 400 mA to 2 A, di/dt = 4 A/μs) dual phase

-25

—

+25

VBUCK12_TLR

Transient Load Regulation for VBUCK12 >1.2 V

(Cout = 44 μF, from 200 mA to 1 A, di/dt = 2 A/μs) single phase

(Cout = 44 μF, from 400 mA to 2 A, di/dt = 4 A/μs) dual phase

-3

—

2.4

3.7

ILIM_BUCK12

Inductor peak current limitation range for one phase

(OTP configuration)

3.6

4.5

5.45

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 00

9.5

15.6

23.6

mV/μs

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 01

4.8

7.8

11.8

mV/μs

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 10

1.56

2.6

3.94

mV/μs

VBUCK12_DVS_UP

(0.4 V to 1.5 V)

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 11

1.33

2.23

3.38

mV/μs

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 00

11.87

19.53 29.5

mV/μs

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 01

9.76

14.75 mV/μs

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 10

1.95

3.25

4.92

mV/μs

VBUCK12_DVS_UP

(1.8 V)

DVS Ramp up Speed , BUCK12DVS_RAMP_OTP[1:0] = 11

1.67

2.78

4.22

mV/μs

DVS Ramp down Speed , BUCK12DVS_RAMP_OTP[1:0] = 00

6.3

10.41 15.8

mV/μs

DVS Ramp down Speed , BUCK12DVS_RAMP_OTP[1:0] = 01

3.1

5.2

7.9

mV/μs

DVS Ramp down Speed , BUCK12DVS_RAMP_OTP[1:0] = 10

1.56

2.6

3.94

mV/μs

VBUCK12_DVS_DOWN

(0.4 V to 1.5 V)

DVS Ramp down Speed , BUCK12DVS_RAMP_OTP[1:0] = 11

1.33

2.23

3.38

mV/μs

Table 17. Electrical characteristics...continued

VR5510

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 6 — 31 July 2023

39 / 203

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