TDA3629 查看數據表（PDF） - Philips Electronics

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TDA3629

Light position controller

Philips Electronics 

Philips Semiconductors

Light position controller

Product specification

TDA3629

Notes to the characteristics

1. Steady state implies that the motor is not running (Im = 0) and VSET = VFB = 0.5VP.

2. This is only valid when the temperature protection is not active.

3. ∆VSET is the difference in voltage on the set potentiometer between the situation when the ground wire is interrupted

(VSET, br) and voltage on the set potentiometer during normal operation (when VSET = 0.17Vb = 2.72 V).

The conditions for this test are:

RSET = 20 kΩ; Vb = 16 V; ∆VSET = VSET, br − 2.72 V; see Fig.6.

handbook, halfpage

+Vb

830 Ω

390 Ω

battery

REMAINDER OF

MODULE

170 Ω

+

VSET, br

RSET

ground

−

ground wire not connected

MGE637

The 170 Ω, 830 Ω and 390 Ω resistors form the setting potentiometer in its worst case position. The given situation (combination of Vb, RSET and the

position of the set potentiometer) forms the worst case situation. The given maximum of ∆VSET guarantees that any other module, connected to the

same set potentiometer, will not start to activate its motor, when its motor switch-on level is higher than 0.01Vb (RSET ≥ 20 kΩ).

Fig.6 Conditions for the test of note 3.

QUALITY SPECIFICATION

The quality of this device is in accordance with “SNW-FQ-611 part E”. The numbers of the quality specification can be

found in the “Quality reference Handbook”. The handbook can be ordered using the code 9397 750 00192.

1996 Sep 04

9

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