MIC5380-2.7SLASH2.7YFT datasheet(5/12 Pages) MICREL

5 / 12 page

Micrel, Inc.

MIC5380/1

November 2008

M9999-110608-A

Absolute Maximum Ratings

(1)

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

Enable Voltage (VEN1, VEN2)............................... –0.3V to VIN

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

(3)

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

Junction Temperature (TJ) ........................–40°C to +125°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 (VEN1, VEN2)............................... –0.3V to VIN

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

Junction Thermal Resistance

1mm x 1mm Thin MLF-6 (θJA) .........................150°C/W

Electrical Characteristics

(5)

VIN = VEN1 = VEN2 = VOUT + 1V; higher of the two regulator outputs; IOUTLDO1 = IOUTLDO2 = 100µA; COUT1 = COUT2 = 1µF;

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

Parameter

Condition

Min

Typ

Max

Units

Variation from nominal VOUT

±1

Output Voltage Accuracy

Variation from nominal VOUT; –40°C to +85°C

–3.0

+3.0

Line Regulation

VIN = VOUT +1V to 5.5V, IOUT = 100µA

0.02

0.3

%/V

Load Regulation

IOUT = 100µA to 150mA

0.3

Dropout Voltage

IOUT = 50mA

IOUT = 150mA

155

110

310

Ground Pin Current

VEN1 = High; VEN2 = Low; IOUT = 0mA

VEN1 = Low; VEN2 = High; IOUT = 0mA

VEN1 = VEN2 = High; IOUT1 = IOUT2 = 0mA

µA

Ground Pin Current in

Shutdown

VEN1 = VEN2 = 0V

0.05

µA

Ripple Rejection

f = 1kHz; COUT = 1µF

Current Limit

VOUT = 0V

200

325

550

Output Voltage Noise

COUT = 1µF, 10Hz to 100kHz

200

µVRMS

Auto-Discharge NFET

Resistance

MIC5381 Only; VEN1 = VEN2 = 0V; VIN = 3.6V

Ω

Enable Inputs (EN1/EN2)

Logic Low

0.2

Enable Input Voltage

Logic High

1.2

VIL ≤ 0.2V

0.01

µA

Enable Input Current

VIH ≥ 1.2V

0.01

µA

Turn-on Time

COUT = 1µF

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.

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