DocID13496 Rev 4

5/25

L9777

Block diagrams and pins configuration

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1

Block diagrams and pins configuration

1.1

Block diagram (option A)

Figure 1. Block diagram (option A)

1.2

Option B features



VDD can sustain short to 40 V regardless of VI battery voltage



Current capability of VDD scaled down to 50 mA with dropout of 1.5 V (Max.)



In default condition, VDD and WD functions are disabled using 2 pull down current on

VDD_EN and WD_EN pin



Standby current consumption reduced to 100 μA (Typ.)

Figure 2. Package pin configuration (options A and B)