LCP3121

5/6

Application 1: Common protection for SLIC

without integrated ring generator

SLIC

LCP3121

4*SMBYW01-200

-Vbat

TIP

RING

SLIC

4*SMBYW01-200

-Vbat

TIP

RING

-Vbat

Gn

C

A

APPLICATION EXAMPLES

Application 2: Common protection for SLIC with

integrated ring generator

LCP3121

4*SMBYW01-200

TIP

RING

-Vbat

Gn

C

A

-Vbat +Vbat

LCP3121

+Vbat

Gp

C

A

SLIC

L3000N

4*SMBYW01-200

TIP

RING

-Vbat +Vbat

SLIC

L3000N

Application 3: Typical SLIC protection

4*SMBYW01-200

-Vbat

-Vbat

SLIC

A

Gn

LCP3121

C

TIP

RING

Application 4: Protection programmed by current

for any application

LCP3121

A

C

Gn

Protected

Circuit

+

-

Ra

I= I

+

T

G

V

G

Ra

CURRENT TOLERANCE

Ω

(+/-5%)

mA

min

mA

max

4.7

5.6

6.8

8.2

10

12

202

182

164

150

137

128

603

538

479

431

388

358