SG2525AP013TR Datasheet

Switching Converters, Regulators & Controllers


The SG2525AP013TR series of pulse width modulator integrated circuits are designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies.The on-chip + 5.1 V reference is trimmed to ± 1 % and the input common-mode range of the error amplifier includes the reference voltage eliminating external resistors. A sync input to the oscillator allows multiple units to be slaved or a single unit to be synchronized to an external system clock. A single resistor between the CT and the discharge terminals provide a wide range of dead time ad- justment.These devices also feature built-in soft-start circuitry with only an external timing capacitor required. A shutdown terminal controls both the soft-start circuity and the output stages, providing instantaneous turn off through the PWM latch with pulsed shutdown,as well as soft-start recycle with longer shutdown commands. These functions are also controlled by an undervoltage lockout which keeps the outputs off and the soft-start capacitor discharged for sub-normal input voltages. This lockout circuitry includes approximately 500 mV of hysteresis for jitterfree operation. Another feature of these PWM circuits is a latch following the comparator. Once a PWM pulses has been terminated for any reason,the outputs will remain off for the duration of the period.The latch is reset with each clock pulse. The output stages are totem-pole designs capable of sourcing or sinking in excess of 200 mA. The SG3525A output stage features NOR logic, giving a LOW output for an OFF state. SG2525AP013TR Features • 8 to 35 v operation• 5.1 v reference trimmed to ± 1 %• 100 hz to 500 khz oscillator range• Separate oscillator sync terminal• Adjustable deadtime control• Internal soft-start• Pulse-by-pulse shutdown• Input undervoltage lockout with hysteresis• Latching pwm to prevent multiple pulses• Dual source/sink output drivers


[{"Name":"Output Voltage","Value":"5.1 V "},{"Name":"Output Current","Value":"500 mA "},{"Name":"Input Voltage","Value":"8 V to 35 V "},{"Name":"Switching Frequency","Value":"100 Hz to 400 kHz "},{"Name":"Operating Temperature Range","Value":"- 25 C to + 85 C"},{"Name":"Mounting Style","Value":"SMD/SMT "},{"Name":"Package / Case","Value":"SO-16 "},{"Name":"Packaging","Value":"Reel "},{"Name":"Number of Outputs","Value":"2"},{"Name":"Operating Supply Voltage","Value":"8 V to 35 V"}]

Manufacturer information


Maxim Integrated provides ease of design, and speeds time to market, through analog integration. The company's analog ICs offer extra features and functionality carefully designed to streamline circuit and simplify design. Look to Maxim for solutions for consumer electronics, personal computers and peripherals, mobile devices, wireless and fiber communications, test equipment, instrumentation, video displays, and automotive applications. Maxim’s analog and mixed-signal solutions include data converters, interface circuits, power, RF wireless circuits, clocks and oscillators, microcontrollers (MCUs), operational amplifiers (op amps), and sensors.

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