FAN5350 查看數據表（PDF） - ON Semiconductor

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FAN5350

3MHz, 600mA Step-Down DC-DC Converter in Chip-Scale and MLP Packaging

ON Semiconductor 

Electrical Characteristics

Minimum and maximum values are at VIN = 2.7V to 5.5V, TA = -40°C to +85°C, CIN = COUT = 4.7µF, L = 1µH, unless

otherw ise noted. Typical values are at TA = 25°C, VIN =3.6V.

Symbol

Parameter

Conditions

Min. Typ. Max. Units

Pow er Supplies

IQ

Quiescent Current

Device is not sw itching, EN=VIN

Device is sw itching, EN=VIN

16

µA

18

25

µA

I(SD) Shutdow n Supply Current

VIN = 3.6V, EN = GND

0.05 1.00 µA

V UVLO

Under-Voltage Lockout Threshold

Rising Edge

Falling Edge

1.8

2.1

V

1.75

1.95

V(ENH) Enable HIGH-Level Input Voltage

V(ENL) Enable LOW-Level Input Voltage

I(EN) Enable Input Leakage Current

Os cillator

EN = VIN or GND

1.2

V

0.4

V

0.01 1.00 µA

f0SC Oscillator Frequency

Re gulation

2.5

3.0

3.5 MHz

VO Output Voltage Accuracy

ILOAD = 0 to 600mA

CCM

1.775 1.820 1.865 V

1.784 1.820 1.856 V

tSS

Sof t-Start

Output Driver

EN = 0 -> 1

300 µs

RDS(on)

ILIM

PMOS On Resistance

NMOS On Resistance

PMOS Peak Current Limit

VIN = VGS = 3.6V

VIN = VGS = 3.6V

Open-Loop(2)

180

mΩ

170

mΩ

650

800

900 mA

TTSD Thermal Shutdow n

CCM Only

150

°C

THYS Thermal Shutdow n Hysteresis

20

°C

Note :

2. The Electrical Characteristics table reflects open-loop data. Refer to Operation Description and Typical Characteristic

for closed-loop data.

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