PEB4065 datasheet(21/29 Pages) SIEMENS

21 / 29 page

PEB/F 4065

Electrical Characteristics

Semiconductor Group

1998-03-01

Note: Exceeding the min./max. limits can cause stability problems!

Table 9

External Elements in the Application Circuit (Figure 5)

Typical values are used in the test circuits, unless otherwise specified.

Ext. Part

Function

Typ. Value Tolerance

Limit Values

Comment

min.

max.

Biasing,

current

reference

25 k

Ω

––

50 k

Ω

power

dissipation

increases with

smaller

2, R3

T, IL gain

adjustment

Ω

0.1% (rel.) –

–

clipping for

T × R2 >3 V

L × R3 >3 V

Protection,

isolation of

capacitive

load

Ω

0.1% (rel.) 30

Ω

––

5, R6

Protection

Ω

0.1% (rel.) –

–

C for the

internal

supply

voltage filter

µF

(

3dB ≈

3Hz)

20%

10 nF

–

3dB

increases

with smaller

causing worse

low frequency

PSRR from

BAT

Suppression

of voltage

spikes,

frequency

compensation

15 nF

5% (rel.)

200 pF 20 nF

–

2, C3

DD, VSS

supply

voltage

blocking

µF

20%

10 nF

–

2, C3 >1 µF

and

4 ≈ C5

allows arbitrary

switching

sequence of all

supply voltages

incl.

H blocking

100 nF

–

BAT blocking

100 nF

20%

100 nF –

ground

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