LDK220M33R datasheet(8/28 Pages) STMICROELECTRONICS

Part #	LDK220M33R

Description	200 mA low quiescent current and low noise LDO

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

LDK220

8/28

DocID026015 Rev 4

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

TSHDN

Thermal shutdown

160

°C

Hysteresis

20

COUT

Output capacitor

Capacitance (see Section 6:

"Typical performance

characteristics")

1

22

µF

Notes:

(1) Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its

nominal value.

(2) The maximum current has to be limited according to the maximum power dissipation.

TJ = 25 °C, VIN = VOUT(NOM) + 1 V, CIN = COUT

= 1 μF, IOUT = 1 mA, VEN = VIN, unless

otherwise specified.

Table 7: LDK220 electrical characteristics for adjustable version

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VIN

Operating input

voltage

2.5

13.2

V

VADJ

Adjustable voltage

TJ = 25 °C

1.185

V

Adjustable voltage

accuracy

TJ = 25 °C

-2

+2

%

40 °C < TJ < 125 °C

-3

+3

ΔVOUT

Static line

regulation

VOUT

+1 V ≤ VIN ≤ 13.2 V

IOUT=1 mA

0.001

0.05

%/V

ΔVOUT

Static load

regulation

IOUT = 1 mA to 200 mA

0.0002

0.003

%/mA

VDROP

Dropout voltage (1)

IOUT = 100 mA,

VOUT = 3.3 V

100

IOUT = 200 mA,

VOUT = 3.3 V

40 °C < TJ < 125 °C

200

350

mV

eN

Output noise

voltage

10 Hz to 100 kHz, IOUT = 10 mA

100

µVRMS/V

IADJ

Adjust pin current

1

µA

SVR

Supply voltage

rejection

VIN = VOUTNOM + 0.5 V+/-VRIPPLE

VRIPPLE = 0.1 V

Frequency =120 Hz to1 kHz

IOUT = 10 mA

60

dB

VRIPPLE = 0.1 V

VIN = VOUTNOM+0.5 V+/-VRIPPLE

frequency = 10 kHz,

IOUT = 10 mA

45

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