Preliminary Datasheet

1A LOW NOISE CMOS LDO REGULATOR WITH ENABLE

AP2114

Oct. 2010 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

7

Electrical Characteristics (Continued)

AP2114-1.8 Electrical Characteristics (Note 2)

ranges, unless otherwise specified (Note 3))

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Output Voltage

×98.5%

1.8

×101.5%

V

Maximum Output Current

1.0

A

Load Regulation

△

I

0.2

1.0

%/A

Line Regulation

△

V

0.02

±0.1

%/V

Dropout Voltage

500

700

mV

Quiescent Current

60

75

µA

f=100Hz

68

Power Supply Rejection

Ratio

PSRR

Ripple 1Vp-p

f=1KHz

68

dB

Output Voltage

Temperature Coefficient

△

T

△

±30

ppm/°C

Short Current Limit

50

mA

RMS Output Noise

10Hz ≤ f ≤100kHz (No load)

30

Enable logic high, regulator on

1.5

Enable logic low, regulator off

0.4

V

Standby Current

0.01

1.0

µA

Start-up Time

No Load

20

µs

EN Pull Down Resistor

RPD

3.0

mΩ

Set EN pin at Low

60

Ω

Thermal

Shutdown

Temperature

160

Thermal

Shutdown

Hysteresis

25

°C

SOIC-8

74.6

PSOP-8

43.7

SOT-223

50.9

TO-252-2 (1) / TO-252-2 (3)

35

Thermal Resistance

(Junction to Case)

TO-263-3

22

°C /W

Note 2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input

voltage must be applied before a current source load is applied.