Functional description

L9380

12/18

Figure 6.

Application circuit

Recommendations to the application circuit: The timer and the charge capacitors are loaded

with an alternating current source. A short ground connection of the charge capacitor is

indispensable to avoid electromagnetic emigrations. The dimension of the resistors RD, RG

and RS have to respect the maximum current during transients at each pin.

VS

GND

DRIVER 1

≥1

ENN

-

CHARGE PUMP

OVERVOLTAGE

CP

T1

VSI

IN1

+

≥1

VSI

T2

IN2

IN3

EN

CP

IPR

D1

S1

G1

DRIVER 2

≥1

ENN

-

VSI

+

≥1

VSI

CP

D2

S2

G2

IPR

ENN

≥1

VSI

CP

DRIVER 3

G3

ENN

VS

VSI

PR

2V

REFERENCE

REG.

C1

D2

D1

C2

C3

C4

LOAD CONTROL

M1

M2

R1

R2

R3

R4

R5

R6

D3

D4

D5

D6

R7

D7

M3

M4

D8

L4

L3

L2

L1

VALUE DRIVER

U405

MM1

M

M2

D98AT395A

R8