ACT5101 datasheet(7/59 Pages) QORVO

7 / 59 page

Data Sheet Rev. E, November 2019 | Subject to change without notice

7 of 59

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ACT510x

23V Buck-Boost Converter with Integrated MOSFETs

SYSTEM CHARACTERISTICS

(VIN = 5V, TA = 25°C, unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNIT

Inputs

Input voltage Range

VIN

Input Over Voltage Threshold

VIN_OV

Rising

Measured at VINS Pin

22.75

23.5

24.25

Input Over Voltage Hysteresis

VIN_OV_HYST

VIN Falling

Measured at VINS Pin

300

VIN UVLO Threshold

VIN_UV

VIN Rising

Measured at VINS Pin

-3.0

VIN_UV

3.0

VIN UVLO Hysteresis

VIN_UVLO_HYST

VIN Falling

Measured at VINS Pin

Input Current

IIN

VIN=8.4V, VOUT=5V

Converter Operation

Output Voltage

VOUT_REG_ACC

Internal Feedback Mode

VOUT_I2C Register = 1

Converter output in PWM mode

Measured at VOUT Pin

-1

FB Reference Voltage

VOUT_REF_ACC ACT5102 IC only

1.99

2.01

Output Current Range

IOUT_RANGE

With IOUT=100% register setting

0.5

Output Constant Current

(measured at OSRN and

OSRP pins)

IOUT_OCP

IOUT_OCP = 0.5A to 1A

-20

IOUT

+20

IOUT_OCP = 1A to 2A

-15

IOUT

+15

IOUT_OCP > 2A

-10

IOUT

+10

Output Constant Current

Undervoltage Protection Threshold

VOUT_UVP

VOUT Falling, Enters Hiccup Mode

Measured at VOUT pin

2.62

2.72

2.82

Output Constant Current

Undervoltage Protection Deglitch

Time

tOUT_UVP

VOUT Falling

Hiccup Mode Off Time

tOUT_HICCUP

Off time after VOUT falls below VOUT_UVP

Over-Voltage Threshold

VOUT_OVP_EXT

I2C Feedback (ACT5101)

Relative to the VOUT Register Setting

105

108

111

External Feedback (ACT5102)

Voltage at FB Pin

2.18

2.24

2.30

Over-Voltage Threshold Hysteresis

VOUT_OVP_HYS Falling Threshold

Soft Start Time

tOUT_SS

Relative to the factory default

SOFT_START Register Setting.

From 0 to 100%

-30

SOFT

START

Setting

Pulldown Current Source

IOUT_PD

VOUT Output > 2.0V

120

Off Delay Current Timer

tOUT_OFF_DLY

EN_DLY Enabled

-10

OFF_DL

Y Setting

+10

Off Delay Current

IOUT_OFF_LOAD

OFF_LOAD=1

Converter in Buck Mode Only

VIN > VOUT + 0.5V

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