MIC47050-1.8YMTTR

更新时间： 2024-01-17 16:03:37

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MIC47050-1.8YMTTR 数据手册

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Micrel, Inc.

MIC47050

Electrical Characteristics⁽⁴⁾

V_IN= V_OUT+ 0.5V; V_BIAS= V_OUT+2.1V; C_OUT= 1µF; I_OUT= 100µA; T_J= 25°C, bold values indicate –40°C≤ T_J≤ +125°C, unless noted.

Parameter

Condition

Min.

Typ.

0.005

0.2

Max.

0.05

0.5

Units

%/V

V_INLine Regulation

Load Regulation

Current Limit

V_IN= V_OUT+ 0.5V to 3.6V

I_OUT= 10mA to 500mA

-0.05

Short Circuit Current Limit

Enable Input

V_IN= 2.7V; V_OUT= 0V

0.6

1.6

2.5

EN Logic Level High

EN Logic Level Low

EN Hysteresis

1.0

0.77

0.67

100

0.2

A

s

V_EN≤ 0.2V (Regulator Shutdown)

Enable Bias Current

V_EN= 1.0V (Regulator Enabled)

500

Turn-on Time

C_OUT= 1F; 90% of typical V_OUT

Thermal Protection

Over-Temperature Shutdown

Over-Temperature Shutdown Hysteresis

Power Good

T_JRising

160

C

_OUTRising

Power Good Threshold Voltage

V_OUTFalling

-1

Power Good Hysteresis

Power Good Output Low Voltage

Power Good Leakage Current

0.02

0.01

0.1

_PG= 250A

V_PG= 5.0V

A

Reference Voltage (Adjustable Option Only)

I_OUT= 100A

V_FB= 0.8V

0.394

0.406

Feedback Reference Voltage

0.4

0.392

0.408

FB Bias Current

Output Voltage Noise and Ripple Rejection

Output Voltage Noise

f = 10Hz to 100kHz; I_OUT= 100mA; C_OUT=1F

f = 10kHz; C_OUT= 1.0F, I_OUT= 100mA

f = 100kHz; C_OUT= 1.0F, I_OUT= 100mA

V_RMS

Ripple Rejection

Notes:

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

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

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

4. Specification for packaged product only.

5. Both VIN and VBIAS UVLO thresholds must be met for the output voltage to turn-on. If either of the two input voltages is below the UVLO thresholds,

the output is disabled.

M9999-040312-B

April 2012

1 2 3 456 7 8...16

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