W-6137 datasheet(4/16 Pages) COPAL

Part #	W-6137

Description	CMOS Boost Converter

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Manufacturer	COPAL [Copal Electronics]

Direct Link	http://www.nidec-copal-electronics.com/e

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4 / 16 page

W-6137

4

TYPICAL CHARACTERISTICS

(VIN = 3.6 V, CIN = 1.0 F, COUT = 0.22 F, L = 22 H with 3 LEDs at 20 mA, TAMB = 25 C, unless otherwise specified.)

Figure 2. Quiescent Current vs. VIN

(Not Switching)

Figure 3. Quiescent Current vs. VIN

(Switching)

)

V

(

E

G

A

T

L

O

V

T

U

P

N

I

)

V

(

E

G

A

T

L

O

V

T

U

P

N

I

5.0

4.5

4.0

3.5

3.0

2.5

0

20

40

60

80

100

120

5.0

4.5

4.0

3.5

3.0

2.5

0

0.25

0.50

0.75

1.00

Figure 4. FB Pin Voltage vs. Supply Voltage

Figure 5. FB Pin Voltage vs. Output Current

)

A

m

(

T

N

E

R

U

C

T

U

P

T

U

O

)

V

(

E

G

A

T

L

O

V

T

U

P

N

I

4.5

5.0

4.0

3.5

3.0

2.5

290

295

300

305

310

30

25

20

15

10

5

0

290

295

300

305

310

Figure 6. Switching Frequency vs. Supply

Voltage

Figure 7. Switch ON Resistance vs.

Input Voltage

INPUT VOLTAGE (V)

4.0

4.5

3.5

3.0

2.5

0.90

0.95

1.00

1.05

1.10

VFB = 0.4 V

3 LEDs

INPUT VOLTAGE (V)

4.5

4.0

5.0

3.5

3.0

2.5

0

0.5

1.0

1.5

2.0

3 LEDs

3 LEDs at 20 mA

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W-6137 Datasheet(PDF) 4 Page - Copal Electronics

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