ADP2126/ADP2127

Rev. A | Page 3 of 20

SPECIFICATIONS

otherwise noted. All specifications at temperature extremes are guaranteed via correlation using the standard statistical quality control

(SQC) methods. Typical specifications are not guaranteed.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

SUPPLY

Operating Input Voltage Range

2.1

5.5

V

PWM Mode Quiescent Current

12

mA

Auto Mode Quiescent Current

300

500

μA

Shutdown Current1

0.3

1.5

μA

UNDERVOLTAGE LOCKOUT

1.9

2.1

V

1.5

1.8

V

OUTPUT

Continuous Output Current2

500

mA

PWM Mode Output Accuracy3

V

PFM Mode Output Accuracy3, 4

V

FB Bias Current

4

9

μA

FB Pull-Down Resistance

110

180

Ω

SWITCHING CHARACTERISTICS

PMOS On Resistance

180

340

mΩ

NMOS On Resistance

250

mΩ

SW Leakage Current

10

μA

PMOS Switch Current Limit

Open loop

770

1000

1291

mA

PFM Current Limit

170

260

305

mA

Oscillator Frequency

4.8

6

6.8

MHz

SHORT-CIRCUIT PROTECTION

0.55

0.7

V

0.4

0.52

V

EXTCLK INPUT

High Threshold Voltage

1.3

V

Low Threshold Voltage

0.4

V

Leakage Current

0.01

1

μA

Duty Cycle Operating Range

40

60

%

Frequency Operating Range

6

27

MHz

MODE INPUT LOGIC

High Threshold Voltage

1.3

V

Low Threshold Voltage

0.4

V

Leakage Current

0.005

1

μA

THERMAL SHUTDOWN5

PWM mode only

Thermal Shutdown Threshold

146

°C

Thermal Shutdown Hysteresis

13

°C