CM3406DP データシートの表示（PDF） - Monolithic Power Systems

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CM3406DP

1.5A, 210KHz Step-Down Converter

Monolithic Power Systems 

TM

ELECTRICAL CHARACTERISTICS

VIN = 12V, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Feedback Voltage

Upper Switch On Resistance (5)

Lower Switch On Resistance (5)

VFB 4.75V ≤ VIN ≤ 22V

Upper Switch Leakage

Current Limit (4)

VEN = 0V, VSW = 0V

Current Sense Transconductance

Output Current to Comp Pin Voltage

GCS

Error Amplifier Voltage Gain

Error Amplifier Transconductance

Oscillator Frequency

Short Circuit Frequency

Maximum Duty Cycle

Minimum Duty Cycle

Enable Threshold

Enable Pull Up Current

Under Voltage Lockout Threshold Rising

AVEA

GEA

fS

ΔIC = ±10μA

VFB = 0V

VFB = 1.0V

VFB = 1.5V

ICC > 100μA

VEN = 0V

Under Voltage Lockout Threshold

Hysteresis

Supply Current (Shutdown)

Supply Current (Quiescent)

Thermal Shutdown

VEN ≤ 0.4V

VEN ≥ 3.0 V, VFB =1.4V

Note:

5) Guaranteed by design.

Min

1.195

450

0.7

1.0

2.37

Typ

1.230

0.2

12

2.5

1.85

400

700

210

130

90

1.0

1.2

2.50

210

20

0.9

160

Max

1.265

10

1000

0

1.3

2.62

35

1.1

Units

V

Ω

Ω

μA

A

A/V

V/V

μA/V

KHz

KHz

%

%

V

μA

V

mV

μA

mA

°C

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