See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

P | 8

Temp:

C (0 to 70)

ECO Plan:

Pb-Free (RoHS)

TL3845P


Current-Mode PWM Controller

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Texas Instruments TL3845P

The TL284x and TL384x series of control integrated circuits provide the features that are necessary to implement off-line or DC-to-DC fixed-frequency current-mode control schemes, with a minimum number of external components. Some of the internally implemented circuits are an undervoltage lockout (UVLO), featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation (PWM) comparator (that also provides current-limit control), and a totem-pole output stage designed to source or sink high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in the off state.

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