Data Sheet

ADP2108

Rev. G | Page 3 of 20

SPECIFICATIONS

otherwise noted.1

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Input Voltage Range

2.3

5.5

V

Undervoltage Lockout Threshold

2.3

V

2.05

2.15

2.25

V

OUTPUT CHARACTERISTICS

Output Voltage Accuracy

PWM mode

−2

+2

%

−2.5

+2.5

%

POWER SAVE MODE TO PWM CURRENT THRESHOLD

85

mA

PWM TO POWER SAVE MODE CURRENT THRESHOLD

80

mA

INPUT CURRENT CHARACTERISTICS

DC Operating Current

18

30

µA

Shutdown Current

0.2

1.0

µA

SW CHARACTERISTICS

SW On Resistance (WLCSP)

PFET

320

mΩ

NFET

300

mΩ

SW On Resistance (TSOT)

PFET

380

mΩ

NFET

260

mΩ

Current Limit

PFET switch peak current limit

1100

1300

1500

mA

ENABLE CHARACTERISTICS

EN Input High Threshold

1.2

V

EN Input Low Threshold

0.4

V

EN Input Leakage Current

EN = 0 V, 3.6 V

−1

0

+1

µA

OSCILLATOR FREQUENCY

2.5

3.0

3.5

MHz

START-UP TIME

550

µs

THERMAL CHARACTERISTICS

Thermal Shutdown Threshold

150

°C

Thermal Shutdown Hysteresis

20

°C

1

All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC).