MP1583DS データシートの表示（PDF） - Monolithic Power Systems

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MP1583DS

3A, 23V Step Down Converter

Monolithic Power Systems 

Monolithic Power Systems

MP1583

3A, 23V

Step Down Converter

Absolute Maximum Ratings (Note 1)

Supply Voltage VIN

-0.3V to 28V

Switch Voltage VSW

Boost Voltage VBS

All Other Pins

-1V to VIN+0.3V

VSW-0.3V to VSW+6V

-0.3V to 6V

Junction Temperature

150°C

Lead Temperature

260°C

Storage Temperature

-65°C to 150°C

Recommended Operating Conditions (Note 2)

Input Voltage VIN

4.75V to 23V

Ambient Operating Temperature -40°C to +85°C

Package Thermal Characteristics (Note 3)

(SOIC8)

Thermal Resistance, θJA

105°C/W

Thermal Resistance, θJA (w/ Exposed Pad) 50°C/W

Thermal Resistance, θJC (w/ Exposed Pad) 10°C/W

(PDIP8)

Thermal Resistance ΘJA

95°C/W

Thermal Resistance ΘJC

55°C/W

Electrical Characteristics (Unless otherwise specified VIN=12V, TA=25°C)

Parameters

Condition

Min Typ Max Units

Shutdown Supply Current

Supply current

Feedback Voltage

Error Amplifier Voltage Gain

Error Amplifier Transconductance

High Side Switch On Resistance

Low Side Switch On Resistance

High Side Switch Leakage Current

Current Limit

Current Sense to COMP Transconductance

Oscillation Frequency

Short Circuit Oscillation Frequency

Maximum Duty Cycle

Minimum Duty Cycle

EN Threshold Voltage

Enable Pull Up Current

Under Voltage Lockout Threshold

Under Voltage Lockout Threshold Hysteresis

Soft Start Period

Thermal Shutdown

VEN = 0V

VEN = 2.6V; VFB =1.4V

4.75V ≤ VIN ≤ 23V;

VCOMP < 2V

∆ICOMP = ±10 µA

VEN=0V; VSW=0V

VFB = 0V

VFB = 1.0V

VFB = 1.5V

VEN = 0V

VIN Rising

CSS = 0.1µF

20 30

1.0 1.2

1.194 1.222 1.250

400

500 800 1120

100

10

0

10

5.5

3.8

335 385 435

25 40 55

90

0

0.9 1.2 1.5

1.1 1.8 2.5

2.37 2.54 2.71

210

10

160

µA

mA

V

V/V

µA/V

mΩ

Ω

µA

A

A/V

KHz

KHz

%

%

V

µA

V

mV

ms

°C

Note 1. Exceeding these ratings may damage the device.

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

Note 3. Measured on approximately 1” square of 1 oz. Copper with exposed pad area of 6.8mm2 (10.5mils2)

MP1583 Rev 2.0_06/30/04

www.monolithicpower.com

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