See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

KGD | 0

Temp:

M (-55 to 125)

ECO Plan:

TBD

UC1843MKGD1


Current Mode PWM Controller

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Texas Instruments UC1843MKGD1

The UC1843 family of control devices provides the necessary features to implement off-line or dc-to-dc fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include under-voltage lockout featuring start up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which 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 in the off state. The under-voltage lockout threshold is 8.4 V and maximum duty cycle range is around 100%.

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