FAN5307MP18X 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN5307MP18X

High-Efficiency Step-Down DC-DC Converter

Fairchild Semiconductor 

Electrical Characteristics for Fixed VOUT = 1.8V Version

VIN = 2.5V to 5.5V, IOUT = 200mA, EN = VIN, CIN = 4.7µF, COUT = 22µF, LX = 10µH, TA = -40°C to +85°C, unless

otherwise noted. Typical values are at TA = 25°C.

Parameter

PFM to PWM Transition Voltage

(Note 4)

PFM to PWM Transition Voltage

(Note 4)

Output Voltage during Mode

Transition (Note 5, 6)

Over Voltage Clamp Threshold

Conditions

VIN = 3.7V, TA = 25°C,

0.1mA ≤ IOUT ≤ 300mA

VIN = 4.2V, TA = 25°C,

0.1mA ≤ IOUT ≤ 300mA

Incl. line, load, load transients,

and temperature

Min.

1.7

Typ.

1.878

Max.

72

Units

mV

72

mV

1.93

V

1.93

V

Note:

4. Transition voltage is defined as the difference between the output voltage measured at 0.1mA (PFM mode) and

300mA (PWM mode), respectively.

5.

200

2

0

tr = 10µS

tf = 2µS

ss

0.01

0.587 0.589

4.6

Load Transient Response Test Waveform

Time (mSec)

6. These limits also apply to any mode transition caused by any kind of load transition within specified output current

range.

5

www.fairchildsemi.com

FAN5307 Rev. 1.0.4

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