Ultra light load high efficiency,VIN=17V,Current mode Step-down Io=3A Buck Regulator IC

SANKEN ELECTRIC CO., LTD.

Sep/10/2013

Rev.1.2

6

http://www.sanken-ele.co.jp

(5)Over Current Protection

(2) Output startup Io=1A

Input Voltage VIN [V]

4.700

4.750

4.800

4.850

4.900

4.950

5.000

5.050

5.100

5.150

5.200

5.250

5.300

0.0

0.5

1.0

1.5

2.0

2.5

3.0

Io [A]

NR116KLoadReg.

Vo=3.3V L=10uH Ta=25℃

Input Voltage VIN [V]

200

220

240

260

280

300

320

340

360

380

400

420

440

460

480

500

0.0

1.0

2.0

3.0

4.0

5.0

Io [A]

NR110K focs

Vo=3.3V L=10uH

-0.10

-0.05

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

0.0

5.0

10.0

15.0

20.0

25.0

30.0

VIN[V]

NR110K,111K,114K,115K,116K,117K

IQ_off

Input Voltage

Output Current

0

1

2

3

4

5

6

1

2

3

4

5

6

Vin=8[V]

Vin=12[V]

Vin=16[V]

0

1

2

3

4

5

6

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

0

1

2

3

4

5

6

7

8

0

3

6

9

12

15

18