L4995 データシートの表示（PDF） - STMicroelectronics

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L4995

5V, 500mA low drop voltage regulator

STMicroelectronics 

L4995

Block diagrams and pins descriptions

Table 2.

Pin

name

Wi

Vos

Vo

VS

Pins descriptions (continued)

PowerSSO-12 PowerSSO-24

pin #

pin #

Function

Watchdog input (L4995 only, otherwise not connected).

9

4

If the frequency at this input pin is too low, the Reset

output is activated.

10

7

Regulator voltage output sensing.

5 voltage regulator output.

11

8

Block to ground with a capacitor >100nF (needed for

regulator stability).

Supply voltage.

12

10

Block to ground directly at VS pin with a ceramic

capacitor (e.g. 200nF).

Figure 4. Pins configurations (L4995)

SUBSTRATE

4!"SUBSTRATE

SUBSTRATE

4!"SUBSTRATE

'!0'-3

Doc ID 13103 Rev 13

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