MIC5387-SGFYMT datasheet(3/12 Pages) MICREL

Part #	MIC5387-SGFYMT

Description	Ultra-Small Triple 150mA Output LDO

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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Micrel, Inc.

MIC5387

April 2010

3

M9999-041610-A

Absolute Maximum Ratings(1)

Supply Voltage (VIN)........................................ −0.3V to +6V

Enable Voltage (VEN2/3)...................................... −0.3V to VIN

Power Dissipation (PD)........................... Internally Limited

(3)

Lead Temperature (soldering, 10sec)........................ 260°C

Junction Temperature (TJ) ........................ −40°C to +150°C

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

ESD Rating

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

Operating Ratings(2)

Supply Voltage (VIN)......................................... 2.5V to 5.5V

Enable Voltage (VEN2/3) .......................................... 0V to VIN

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

Junction Thermal Resistance

6-Pin 1.6mm x 1.6mm Thin MLF

® (θJA) ..........92.4°C/W

Electrical Characteristics(5)

VIN = VEN2/3 = VOUT + 1V; highest of the three outputs; CIN = COUT1 = COUT2 = COUT3 = 1µF; IOUT1 = IOUT2 = IOUT3 = 100µA;

TJ = 25°C, bold values indicate −40°C to +125°C, unless noted.

Parameter

Condition

Min.

Typ.

Max.

Units

Variation from nominal VOUT

–2.0

+2.0

%

Output Voltage Accuracy

Variation from nominal VOUT; −40°C to +125°C

–3.0

+3.0

%

Line Regulation

VIN = VOUT +1V to 5.5V; IOUT = 100µA

0.02

0.3

%

Load Regulation

(6)

IOUT = 100µA to 150mA

0.65

%

IOUT = 50mA; VOUT ≥ 2.8V

55

110

mV

IOUT = 150mA; VOUT ≥ 2.8V

155

310

mV

IOUT = 50mA; VOUT < 2.8V

60

135

mV

Dropout Voltage

(7)

IOUT = 150mA; VOUT < 2.8V

180

380

mV

IOUT = 0mA; VEN2/3 = 0V , VOUT1 = On

32

40

µA

Ground Pin Current

(8)

IOUT = 0mA; VOUT > 1.3V VEN2/3 = VIN

96

120

µA

f = up to 1kHz; COUT = 1µF; VOUT < 2.5V

70

dB

Ripple Rejection

f = 1kHz

− 10kHz; COUT = 1µF; VOUT < 2.5V

60

dB

Current Limit

VOUT = 0V

200

325

550

mA

Output Voltage Noise

COUT = 1µF, 10Hz to 100kHz

200

µVRMS

Enable Input

Logic Low

0.2

V

Enable Input Voltage (VEN2/3)

Logic High

1.2

V

VIL ≤ 0.2V

0.01

1

µA

Enable Input Current (VEN2/3)

VIH ≥ 1.2V

0.01

1

µA

Turn-on Time (VOUT2, VOUT3)

COUT = 1µF; IOUT = 150mA

50

125

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.

6. Regulation is measured at constant junction temperature using low duty cycle pulse testing, changes in output voltage due to heating effects are

covered by the thermal regulation specification.

7. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1V

differential. For outputs below 2.5V, dropout voltage is the input-to-output differential with the minimum input voltage 2.5V.

8. Ground-pin current is the regulator quiescent current. The total current drawn from the supply is the sum of the load current plus the ground-pin

current.

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