MIC2210-3.3 datasheet(4/12 Pages) MICREL

Part #	MIC2210-3.3

Description	Dual Cap LDO with Open-Drain Driver

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Manufacturer	MICREL [Micrel Semiconductor]

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MIC2210

Micrel

MIC2210

4

November 2004

Electrical Characteristics (Note 4)

VIN = VOUT +1.0V for higher output of the regulator pair; COUT = 1.0µF, IOUT = 100µA; TJ = 25°C, bold values indicate

–40°C ≤ TJ ≤ +125°C; unless noted.

Parameter

Conditions

Min

Typ

Max

Units

Output Voltage Accuracy

Variation from nominal VOUT

–1.0

+1.0

%

–2.0

+2.0

%

Output Voltage Temp.

Coefﬁcient

40

ppm/C

Line Regulation;

Note 5

VIN = VOUT +1V to 5.5V

–0.3

0.02

0.3

%/V

–0.6

0.6

Load Regulation

IOUT = 100µA to 150mA (Regulator 1 and 2)

0.2

1.0

%

IOUT = 100µA to 300mA (Regulator 2)

1.5

%

Dropout Voltage;

Note 6

IOUT = 150mA (Regulator 1 and 2)

120

190

mV

250

mV

IOUT = 300mA (Regulator 2)

240

340

mV

420

Ground Pin Current

IOUT1 = IOUT2 = 0µA

48

65

µA

80

µA

IOUT1 = 150mA & IOUT2 = 300mA

60

µA

Ground Pin Current

in Shutdown

VEN ≤ 0.4V

2.0

µA

Ripple Rejection

f = 1kHz; COUT = 1.0µF ceramic; CBYP = 10nF

60

dB

f = 20kHz; COUT = 1.0µF ceramic; CBYP = 10nF

40

dB

Current Limit

VOUT = 0V (Regulator 1)

150

280

460

mA

VOUT = 0V (Regulator 2)

300

450

700

mA

Output Voltage Noise

COUT =1µF, CBYP =0.01µF, 10Hz to 100kHz

30

µVrms

Enable Input

Enable Input Voltage

Logic Low (Regulator Shutdown)

0.6

V

Logic High (Regulator Enabled)

1.8

V

Enable Input Current

VIL < 0.6V (Regulator Shutdown)

–1

0.01

+1

µA

VIH > 1.8V (Regulator Enabled)

–1

0.01

+1

µA

ERROR Flag Output (LDO 2)

VERR

Low Threshold, % of nominal VOUT2 (Flag ON)

90

%

High Threshold, % of nominal VOUT2 (Flag OFF)

96

%

VOL

Flag Output Logic Low Voltage; IL = 100µA

0.02

0.1

mV

IERR

Flag Leakage Current, Flag OFF

–1

0.01

+1

µA

Absolute Maximum Rating (Note 1)

Supply Input Voltage (VIN)......................................0V to 7V

Enable Input Voltage (VEN) ....................................0V to 7V

Power Dissipation (PD)................ Internally Limited, Note 3

Junction Temperature............................... –40°C to +125°C

Storage Temperature (TS) .......................... –65°C to 150°C

Open-Drain Output (DRV) ........................................ 250mA

Lead Temperature (soldering, 5 sec.)........................ 260°C

Operating Ratings (Note 2)

Supply Input Voltage (VIN)..............................2.25V to 5.5V

Enable Input Voltage (VEN) ...................................0V to Vin

Junction Temperature (TJ)........................ –40°C to +125°C

Package Thermal Resistance

MLF™-10 (θJA)....................................................60°C/W

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