STP4CMP

Schematic

Doc ID 15770 Rev 2

3/22

1

Schematic

Figure 1.

Application schematic

Figure 1 shows the typical application diagram with the external components. To ensure an

optimal charge pump performance, it is highly recommended that the bucket capacitor, C1,

Note:

All the above components refer to a typical application. Operation of the device is not limited

to the choice of these external components.

Table 2.

Typical external components

Component

Manufacturer

Part number

Value

Size

MURATA

GRM155R61A105KE15D

1 µF / 10 V

0402

TDK

C1005X5R1A105MT

C2

MURATA

GRM188R60J106ME84

10 µF / 6.3 V

0603

TDK

C1608X5R0J106MT

C3

MURATA

GRM155R60J104KA01D

100 nF

0402

TDK

C1005X5R1C104KT

(1)

1.

Tyco

CPF0402B976RE1

976

Ω

0402

2.

LED1-4: typ. forward voltage of 3.8 V.

AM00798V1

LED2

LED3

LED4

ON1

ON2

ON3

GND

EN

LED1

ON4

CP_Sel

GND

C1

C2

LED1

LED2

LED3

LED4

C3