MIC5313-F4YMT datasheet(3/12 Pages) MICREL

Part #	MIC5313-F4YMT

Description	Low Voltage Dual 300mA LDO

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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Micrel, Inc.

MIC5313

July 2008

3

M9999-070208-A

Absolute Maximum Ratings

(1)

Main Input Voltage (VIN1, VIN2)..........................0V to VBIAS

Bias Supply Voltage (VBIAS)...............................0V to +6V

Enable Input Voltage (VEN1, VEN2) ....................0V to VBIAS

Power Dissipation ...............................Internally Limited

(3)

Lead Temperature (soldering, 3sec.)......................260°C

Storage Temperature (Ts) ..................... –65°C to +150°C

ESD Rating

(4)...............................................................2kV

Operating Ratings

(2)

Supply voltage (VIN1, VIN2)...........................+1.7V to VBIAS

Bias Supply Voltage (VBIAS) ........................ 2.5V to +5.5V

Enable Input Voltage (VEN1, VEN2) ................... 0V to VBIAS

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

Junction Thermal Resistance

2mm x 2mm Thin MLF-10 (

θJA).............................80°C/W

Electrical Characteristics

(4)

VBIAS = 3.6V; VIN1= VIN2 = VOUT (Highest of two regulators) + 1V; CBIAS=COUT= 1.0µF, CBYP=0.01µF, IOUT = 100µA;

TJ = 25ºC, bold values indicate –40ºC to + 125ºC; unless noted.

Parameter

Condition

Min

Typ

Max

Units

Variation from nominal VOUT1 & VOUT2

–1.0

+1.0

%

Output Voltage Accuracy

Variation from nominal VOUT1 & VOUT2

–2.0

+2.0

%

VIN Line Regulation

VIN = VOUT +1V to 5.5V, VBIAS = 5.5V

0.02

0.3

%/V

VBIAS Line Regulation

VBIAS = 3.6V to 5.5V, VIN = VOUT +1V

0.02

0.3

%/V

Load Regulation

IOUT = 100µA to 300mA

0.4

1.0

%

Dropout Voltage

IOUT = 150mA

IOUT = 300mA

40

85

100

200

mV

Ground Pin Current VIN1,VIN2

VEN1 = High; VEN2 = Low; IOUT1 = 100µA to 300mA

VEN1 = Low; VEN2 = High; IOUT2 = 100µA to 300mA

7

12

µA

Ground Pin Current VBIAS

IOUT1 = IOUT2 = 100µA to 300mA

30

46

µA

Ground Pin Current in

Shutdown

VEN ≤ 0.2V

0.01

1.0

µA

VIN Ripple Rejection

f = 1kHz; COUT = 1.0µF; CBYP = 0.01µF

f = 20kHz; COUT = 1.0µF; CBYP = 0.01µF

65

40

dB

Current Limit

VOUT = 0V

350

550

mA

Output Voltage Noise

COUT=1µF, CBYP=0.01µF, 10Hz to 100kHz

30

µVRMS

Enable

Logic Low

0.2

V

Enable Input Voltage

Logic High

1.2

V

VIL ≤ 0.2V

0.02

1

µA

Enable Input Current

VIH ≥ 1.2V

0.2

1

µA

Turn-on Time

COUT = 1µF; CBYP = 0.01µF

150

300

µs

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. The maximum allowable power dissipation of any TA (ambient temperature) is PD(max) = TJ(max) – TA) / θJA. Exceeding the maximum allowable power

dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown.

4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.

5. Specification for packaged product only.

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