AP72202

Document number: DS46304 Rev. 1 - 2

5 of 30

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May 2024

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AP72202

Electrical Characteristics (@TA = +25°C, VIN = PVIN = EN = 3.6V, unless otherwise specified.)

Min/Max limits apply across the recommended ambient temperature range, -30°C to +85°C and input voltage range 2.3V to 5.5V.

Buck-Boost Characteristics

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

IIN

Shutdown Supply Current

VEN = 0

—

0.3

1

µA

IIN

Supply Current (Quiescent)

VEN = VIN, Non-Switching,

EN_PD BIT = 0

—

20

30

µA

PFM, VEN = VIN, VIO = 0,

MODE = 0

—

29

45

µA

Ultrasonic Mode, VEN = VIN,

VIO = 0, MODE = 0,

BB_UMODE=1, BB_FPWM=0

—

180

250

µA

PWM, VEN = VIN, VIO = 0,

MODE = 1

—

9

15

mA

POR/UVLO

VIN Power-On-Reset Voltage

Threshold, Rising Edge

—

2.150

2.225

2.295

V

VIN, Undervoltage Lockout Threshold,

Falling Edge

—

2.055

2.125

2.230

V

Hysteresis

—

50

100

150

mV

RDS(ON)1

High-Side Switch On-Resistance from

PVIN to SW1

—

—

25

40

m

Ω

RDS(ON)2

Low-Side Switch On-Resistance from

SW1 to PGND

—

—

25

40

m

Ω

RDS(ON)3

High-Side Switch On-Resistance from

SW2 to VOUT

—

—

25

40

m

Ω

RDS(ON)4

Low-Side Switch On-Resistance from

SW2 to PGND

—

—

25

40

m

Ω

RDISCHARGE

VOUT Soft Discharge On-Resistance

—

70

100

130

Ω

Leakage

Current

SW1/SW2

HS Q1 or HS Q3 Leakage Current

SW1 = 0 or SW2 = 0,

VIN = 5.5V, EN = 0

—

—

1

µA

ILIMIT

Positive HS Current Limit, Q1

OCP = 0

2.25

2.50

2.75

A

OCP = VIN

4.0

4.4

4.8

A

IPFMPK

PFM Peak Current Limit

—

1.0

1.3

1.6

A

IZC

Zero Cross Current Threshold

—

—

200

—

mA

INLIMIT

Negative LS Current Limit, Q2

—

1.4

2.0

2.6

A

fSW

Oscillator Frequency

Continuous Switching

Frequency at Both Buck and

Boost Mode

2.1

2.5

2.9

MHz

Ultrasonic Mode,

BB_UMODE=1, BB_FPWM=0

20

27

—

kHz

VOUT

Output Voltage Range

I2C Programmable (20mV

step)

2.60

—

5.14

V

Default Output Voltage

IOUT = 0, Address 0x04,

VOUT [6:0] = 0x28, MODE = 1

3.366

3.400

3.434

V

Output Accuracy

IOUT = 0, Address 0x04,

VOUT [6:0] = 0x28, MODE = 0

3.349

—

3.46

V

VOUT/VIN

Line Regulation

PFM, VIN = 2.3V-5.5V,

IOUT = 0, Address 0x04,

VOUT [6:0] = 0x28, MODE = 0

—

1.3

—

mV/V

Ultrasonic Mode, VIN = 2.3V-

5.5V, IOUT = 0, Address 0x04,

VOUT [6:0] = 0x28,

BB_UMODE=1, BB_FPWM=0

—

1.7

—

mV/V

PWM, VIN = 2.3V-5.5V,

IOUT = 2A, Address 0x04,

VOUT [6:0] = 0x28, MODE = 1

—

1

—

mV/V