XC6371 datasheet(8/19 Pages) TOREX

Part #	XC6371

Description	PWM Controlled Step-Up DC/DC Controllers/Converters

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Manufacturer	TOREX [Torex Semiconductor]

Direct Link	http://www.torex.co.jp

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XC6371/XC6372/XC6373 Series

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Output Voltage

VOUT

2.925

3.000

3.075

V

Maximum Input Voltage

VIN

10

-

V

Operation Start Voltage

VST1

External Components Connected,

IOUT=1mA

-

0.90

V

Oscillation Start Voltage

VST2

No external components,

Apply voltage to VOUT, LX :10kΩpull-up to 5V

-

0.80

V

Supply Current 1

IDD1

Same as VST2.

Apply output voltage×0.95 to VOUT

-

13.1

21.9

μ

A

Supply Current 2

IDD2

Same as VST2,

Apply output voltage×1.1 to VOUT

-

3.9

7.9

μ

A

Lx Switch-On Resistance

RSWON

Same as IDD1, VLX=0.4V

-

3.4

5.7

Ω

Lx Leak Current

ILXL

No external components,

VOUT =VLX=10V

-

1.0

μ

A

Oscillation Frequency

FOSC

Same as IDD1, Measuring of Lx waveform

24

30

36

kHZ

Maximum Duty Ratio

MAXDTY

Same as IDD1, Measuring of Lx waveform

80

87

92

%

Efficiency

EFFI

-

77

-

%

Slow-Start Time

TSS

4.0

10.0

20.0

mS

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Output Voltage

VOUT

3.128

3.300

3.383

V

Maximum Input Voltage

VIN

10

-

V

Operation Start Voltage

VST1

External Components Connected, IOUT=1mA

-

0.90

V

Oscillation Start Voltage

VST2

No external components,

Apply voltage to VOUT, LX :10kΩpull-up to 5V

-

0.80

V

Supply Current 1

IDD1

Same as VST2,

Apply output voltage×0.95 to VOUT

-

14.1

23.5

μ

A

Supply Current 2

IDD2

Same as VST2,

Apply output voltage×1.1 to VOUT

-

4.0

8.1

μ

A

Lx Switch-On

Resistance

RSWON

Same as IDD1. VLX=0.4V

-

3.4

5.7

Ω

Lx Leak Current

ILXL

No external components,

VOUT =VLX=10V

-

1.0

μ

A

Oscillation Frequency

FOSC

Same as IDD1,

Measuring of Lx waveform

24

30

36

kHZ

Maximum Duty Ratio

MAXDTY

Same as IDD1,

Measuring of Lx waveform

80

87

92

%

Efficiency

EFFI

-

77

-

%

Slow-Start Time

TSS

4.0

10.0

20.0

mS

■

ELECTRICAL CHARACTERISTICS (Continued)

XC6373A300PR

VOUT=3.0V, FOSC=30kHz

Ta=25℃

NOTE: Unless otherwise stated, VIN=VOUT×0.6, IOUT=15mA. See Typical Application Circuits, Circuit 1.

XC6373A330PR

VOUT=3.3V, FOSC=30kHz

Ta=25℃

NOTE: Unless otherwise stated, VIN=VOUT×0.6, IOUT=16.5mA. See Typical Application Circuits, Circuit 1.

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