MP1410

2A Step-Down

Switch-Mode Regulator

PRELIMINARY

MP1410 Rev 1.0_ 05/29/02

www.monolithicpower.com

2

Monolithic Power Systems

IN Voltage

-0.3V to 16V

IN Input Voltage

4.75V to 15V

SW Voltage

-1V to VIN +1V

Operating Temperature

-20°C to +85°C

BS Voltage

All Other Pins

–0.3 to 6V

Junction Temperature

150°C

Lead Temperature

260°C

Storage Temperature

-65°C to 150°C

105°C/W

Parameters

Condition

Min

Typ

Max

Units

Feedback Voltage

1.184

1.222

1.258

V

Upper Switch On Resistance

0.25

Ω

Lower Switch On Resistance

10

Ω

Upper Switch Leakage

10

µA

Current Limit

2.4

2.95

A

Oscillator Frequency

320

380

440

KHz

Short Circuit Frequency

FB = 0V

42

KHz

Maximum Duty Cycle

FB = 1.0V

90

%

Minimum Duty Cycle

FB = 1.5V

0

%

Enable Threshold

0.7

1.0

1.3

V

Under Voltage Lockout Threshold

High Going

2.0

2.5

3.0

V

Under Voltage Lockout Threshold

Hysteresis

200

mV

Shutdown Supply current

25

50

µA

Operating Supply current

1.0

1.5

mA

Thermal Shutdown

160

°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 1” square of 1 oz. copper FR4 board.