Data Sheet

ADP5040

Rev. 0 | Page 3 of 40

SPECIFICATIONS

GENERAL SPECIFICATIONS

Table 1.

Parameter

Symbol

Description

Min

Typ

Max

Unit

AVIN UNDERVOLTAGE LOCKOUT

Input Voltage Rising

Option 0

2.275

V

Option 1

3.9

V

Input Voltage Falling

Option 0

1.95

V

Option 1

3.1

V

SHUTDOWN CURRENT

ENx = GND

0.1

2

µA

Thermal Shutdown Threshold

150

°C

Thermal Shutdown Hysteresis

20

°C

START-UP TIME1

BUCK

250

µs

LDO1, LDO2

85

µs

Enx, MODE, INPUTS

Input Logic High

2.5 V ≤ AVIN ≤ 5.5 V

1.2

V

Input Logic Low

2.5 V ≤ AVIN ≤ 5.5 V

0.4

V

Input Leakage Current

ENx = AVIN or GND

0.05

1

µA

1

nominal level. Start-up times are shorter for individual channels if another channel is already enabled. See the Typical Performance Characteristics section for more

information.

BUCK SPECIFICATIONS

Table 2.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Input Voltage Range

2.3

5.5

V

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

PWM mode,

−3

+3

%

Line Regulation

PWM mode

−0.05

%/V

Load Regulation

−0.1

%/A

VOLTAGE FEEDBACK

0.485

0.5

0.515

V

PWM TO POWER SAVE MODE

CURRENT THRESHOLD

100

mA

INPUT CURRENT CHARACTERISTICS

MODE = ground

DC Operating Current

channels disabled

21

35

μA

Shutdown Current

0.2

1.0

μA