PUCC3801P NXP Semiconductors, PUCC3801P Datasheet
PUCC3801P
Related parts for PUCC3801P
PUCC3801P Summary of contents
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PUCC3801 Current-mode PWM controller Rev. 01 — 10 September 2001 1. General description The PUCC3801 is a current-mode Pulse Width Modulated (PWM) controller containing all the control and protection functions necessary to implement an off-line, flyback or forward converter with ...
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... Philips Semiconductors 4. Ordering information Table 1: Ordering information Type number Package Name PUCC3801P DIP8 PUCC3801T SO8 5. Block diagram COMP 2 FB REF 2 CSNS Fig 1. Block diagram. 9397 750 08419 Product data Description plastic dual in-line package; 8 leads (300 mil) plastic small outline package ...
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... Philips Semiconductors 6. Pinning information 6.1 Pinning COMP PUCC3801P CSNS 3 n.c. 4 03af31 Fig 2. Pin configuration; PUCC3801P (SOT97-1). 6.2 Pin description Table 2: Symbol COMP FB CSNS n.c. GND OUT V DD REG 7. Functional description 7.1 Pin functions 7.1.1 Compensation pin (COMP) The compensation pin is connected to the output of the error amplifier (ERRAMP). ...
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Philips Semiconductors 7.1.3 Current sense input pin (CSNS) The signal on the current sense input pin is connected to the input of the pulse width modulator comparator. A low pass filter suppresses transients and noise on the leading edge of ...
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Philips Semiconductors With reference to Power Manager produces a Power-On Reset (POR) signal that is routed to every flip-flop and counter in the device. This signal is made active as early as possible in the power-up sequence to ensure that ...
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Philips Semiconductors When V increases to typically 1.2 mA. The device starts normal operation and output pulses are produced. The over-voltage trip sequence is initiated if V happens, the output pulses are disabled, V output of the over-voltage latch goes ...
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... repetitive peak output current ORM I current out of REG pin REG I current into COMP pin COMP P total power dissipation tot PUCC3801P PUCC3801T T junction temperature j T storage temperature stg T solder point temperature sp 9. Characteristics Table 4: Characteristics CSNS = LOW 2000 pF ...
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Philips Semiconductors Table 4: Characteristics …continued CSNS = LOW 2000 pF load Symbol Parameter Low voltage regulator V regulator voltage REG V bandgap voltage bandgap Oscillator T average period AV(osc) N modulation ...
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Philips Semiconductors Table 4: Characteristics …continued CSNS = LOW 2000 pF load Symbol Parameter Current sense comparator scaling of CSNS voltage to V CSNS ----------------- - COMP voltage V COMP Z input ...
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Philips Semiconductors 10. Application information 10.1 Off-line flyback regulator Fig 6. Off-line flyback regulator. Figure 6 The circuit uses a minimum number of external components. The PUCC3801 has an internal voltage divider from V regulates V secondary and feedback windings, ...
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... DATE 1 03ag14 TYPE: PUCC3801P LOT: Diffusion lot number (5 characters) DATE: Die revision (1 character) + Date code (yyww) Fig 8. Marking PUCC3801P (SOT97-1). 9397 750 08419 Product data shows the method of interfacing an optocoupler to the PUCC3801. The error TYPE: CC3801T LOT: Diffusion lot number (5 characters) DATE: Die revision (1 character) + Date code (yyww) Fig 9 ...
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Philips Semiconductors 12. Package outline DIP8: plastic dual in-line package; 8 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT b max. min. ...
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Philips Semiconductors SO8: plastic small outline package; 8 leads; body width 3 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. ...
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Philips Semiconductors 13. Revision history Table 5: Revision history Rev Date CPCN Description 01 20010910 - Product data; initial version 9397 750 08419 Product data Rev. 01 — 10 September 2001 PUCC3801 Current-mode PWM controller © Koninklijke Philips Electronics N.V. ...
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Philips Semiconductors 14. Data sheet status [1] [2] Data sheet status Product status Objective data Development Preliminary data Qualification Product data Production [1] Please consult the most recently issued data sheet before initiating or completing a design. [2] The product ...
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Philips Semiconductors Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . . ...