Unless otherwise noted, V

V

appearing in normal type apply for T

range for operation, −40 to +125˚C. (Notes 2, 8, 9, 10)

Symbol

Parameter

Condition

Min

Typ

Max

Units

LOGIC AND CONTROL INPUTS

V

IH

Input High Level

PS-HOLD, ON, BSNS, HF-PWR,

RTC_ALARM, SDA, SCL, V

V

2.5V

≤ V

BATT

≤ 5.5V

2.0

V

I

IL

Logic Input Current

SDA, SCL

0V

≤ V

IN

≤ 5.5V

−5

+5

µA

PS-HOLD Input Current

0V

≤ V

IN

≤ V

BATT

−5

+5

µA

R

IN

ON, HF_PWR Pull-Down

Resistance to GND

200

k

Ω

V

Pull Down Resistance to GND

1700

k

Ω

LOGIC AND CONTROL OUTPUTS

V

OL

ON Output Low Level

I

0.4

V

I

LEAKAGE

ON Open Drain Leakage

V

5

µA

I

O-MAX

ON, RESET, OUT (COMP1),

OUT (COMP2) Output

Maximum Sink/Source Current

5

mA

V

Unless otherwise noted, V

pearing in boldface type apply over the entire junction temperature range for operation, −40 to +85˚C. (Notes 2, 8, 9)

Symbol

Parameter

Condition

Min

Typ

Max

Units

V

OUT

Accuracy

Output Voltage

1 mA

≤ I

OUT

≤ 200 mA, V

3.0V

≤ V

≤ 5.5V

−3

+3

%

V

OUT

Range

Programmable Output Voltage

Range

0µA

≤ I

OUT

≤ 200 mA

Programming Resolution = 100 mV

1.5

1.8

3.0

V

I

OUT

Output Current

(V

≤ V

BATT

V

≤ 5.5V

200

mA

Output Current Limit

V

780

V

Dropout Voltage

I

70

254

mV

∆V

OUT

Line Regulation

(V

≤ V

BATT

V

≤ 5.5V, I

3

mV

Load Regulation

V

≤ I

OUT

≤ 200 mA

10

e

N

Output Noise Voltage

10 Hz

≤ f ≤ 100 kHz,

C

27

µV

RMS

PSRR

Power Supply Ripple

Rejection Ratio

f = 217 Hz, C

60

dB

C

OUT

Output Capacitance

Output Capacitor ESR

1mA

≤ I

OUT

≤ 200 mA

220

µF

5

500

m

Ω

t

START-UP

Start-Up Time from Shutdown

ON-signal

C

10)

80

120

180

µs

Note: This LDO will be ON after start up by default.

Note: The PMU can switch off if battery voltage is below 3.0V due to under voltage lockout designed to protect the battery from excessive discharge at low voltages.

power-up sequence of the LP3941A.

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