ISL6522CVZ-TR5190

Frequency - Switching:	200kHz
Base Part Number:	ISL6522
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Enable, Frequency Control, Phase Control, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	10.8 V ~ 13.2 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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<p>The ISL6522CVZ-TR5190 is a type of DC/DC Switching Controller, meant for applications such as powering an intermediate bus for high-performance ASICs. This device is essentially a voltage regulator that regulates DC voltage to a desired level by using switches driven by driver circuitry and control signals as switches. It is a type of Pulse-Width Modulated (PWM) controller that uses a Pulse-Width Modulated (PWM) signal to control a switch. The main application of this device is to regulate intermediate bus voltage and support dynamic voltage scaling.</p><p>It is designed to provide a smooth, low-noise power solution with fast transient responses. The ISL6522CVZ-TR5190 offers an accurate reference voltage, adjustable loop-compensation, adjustable soft-start/tracking, and a power-good output. It has several features that provide protection and improve system safety, including over-current, over-voltage, undervoltage, and over-temperature protections.</p><p>The circuit of the device consists of a voltage regulator, voltage reference, driver/comparator, and a power stage. The voltage regulator provides a reference voltage, compared to an external reference, and sets the output voltage. The voltage reference sets the current-limit level. The driver/comparator provides the PWM signal to the power stage, controlling the current needs through the switches.</p><p>The power stage consists of the gate-driver circuitry and the MOSFET switches. The gate driver provides the voltage/current needed to drive the switches, as well as the timing. The MOSFET switches are driven by control signals from the driver/comparator. The output-voltage switching frequency of this device can be set from 1 kHz to 2 MHz.</p><p>The ISL6522CVZ-TR5190 is an ideal solution for powering an intermediate bus, as well as other applications where dynamic voltage scaling is required. It is designed to be rugged, reliable and efficient, offering low output noise and fast transient responses. With a wide range of features and protections, this device can provide reliable and efficient power in a cost-effective package.</p>

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