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Updated at 02/11/2025 10:30:15(UTC+8)

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Description

The TL598CN is a Pulse Width Modulation (PWM) Controller on a single chip. Designed primarily for power-supply control, provides the systems engineer with the flexibility to tailor the power-supply control circuits to a specific application. The TL598 contains two error amplifiers, an internal oscillator (externally adjustable), a dead-time control (DTC) comparator, a pulse-steering flip-flop, a 5-V precision reference, undervoltage lockout control and output control circuits. Two totem-pole outputs provide exceptional rise- and fall-time performance for power FET control. The outputs share a common source supply and common power ground terminals, which allow system designers to eliminate errors caused by high current-induced voltage drops and common-mode noise. The error amplifier has a common-mode voltage range of 0V to VCC - 2V. The DTC comparator has a fixed offset that prevents overlap of the outputs during push-pull operation.
Complete PWM power-control function
Output control selects parallel or push-pull operation
Internal circuitry prohibits double pulse at either output
Variable dead-time provides control over total range
Onboard output current-limiting protection
Undervoltage lockout for low VCC conditions
Separate power and signal grounds
Adjustable switching frequency
Error amplifier

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TL598CN Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	PDIP-16
Frequency	300 kHz
Supply Voltage (DC)	7.00V (min)
Number of Outputs	2 Output
Output Voltage	5 V
Output Current	200 mA
Number of Positions	16 Position
Number of Regulated Outputs	2 Output
Rise Time	60 ns
Switching Frequency	300 kHz
Topology	Buck
Duty Cycle	45 %
Maximum Duty Cycle	45 %
Fall Time	35 ns
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	0 ℃
Supply Voltage	7V ~ 40V
Supply Voltage (Max)	40 V
Supply Voltage (Min)	7 V
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Size-Length	19.3 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	0℃ ~ 70℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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