FAN5332ASX datasheet(4/9 Pages) FAIRCHILD

номер детали	FAN5332ASX

подробное описание детали	High Efficiency, High Current Serial LED Driver and OLED Supply with 30V Integrated Switch

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производитель	FAIRCHILD [Fairchild Semiconductor]

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FAN5332A Rev. 1.0.1

Electrical Characteristics

Test Circuit

Figure 3. Test Circuit

Unless otherwise noted, VIN = 3.6V, No external load,TA = -40°C to +85°C, Typical values are at TA = 25°C,

Test Circuit, Figure 3.

Parameter

Conditions

Min.

Typ.

Max.

Units

Output Voltage Accuracy

-3

+3

%

Switch Current Limit

VIN = 3.2V

1.1

1.5

A

Load Current Capability

VOUT > 18.5V, VIN ≥ 2.7V

50

mA

VOUT > 19.7V, VIN ≥ 3.2V, TON < 0.4Sec.

75

mA

Switch On-resistance

VIN = 5V

0.6

Ω

VIN = 3.6V

0.7

Ω

Quiescent Current

VSHDN = 3.6V, No Switching

0.7

mA

VSHDN = 3.6V, Switching, VOUT = 20.7V

4.5

mA

OFF Mode Current

VSHDN = 0V

0.1

3

µA

Shutdown Threshold

Device ON

1.5

V

Device OFF

0.5

V

Shutdown Pin Bias Current

VSHDN = 0V or VSHDN = 5.5V

1

100

nA

Feedback Voltage

TA= 25°C

1.205

1.230

1.255

V

Feedback Pin Bias Current

1

100

nA

Line Regulation

3.2V < VIN < 5.5V, VOUT = 20.7V, TA= 25°C

0.5

1.5

%

Load Regulation

0mA < ILoad < 75mA, VOUT = 20.7V

0.8

%

Switching Frequency

1.2

1.5

1.8

MHz

Maximum Duty Cycle

87

93

%

Enable Delay

VIN = 2.7V, IOUT = 50mA, VOUT = 20.7V

1.5

5

mS

Power on Delay

VIN = 2.7V, IOUT = 50mA, VOUT = 20.7V

1.5

5

mS

Switch Leakage Current

No Switching, VIN = 5.5V

1

µA

160K

Ω

10K

Ω

SHDN

VIN

VOUT

R1

R2

GND

V

IN

FB

SW

CF

CIN

6.8µH

1

3

2

4

5

10

µF

82pF

COUT

L

BAT54

2.2

µF

2.7V to 5.5V

ON

OFF

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