RT8207
The RT8207 provides a complete power supply for both DDRII/DDRIII memory systems. It integrates a synchronous PWM buck controller with a 3A sink/source tracking linear regulator and a buffered low noise reference. The PWM controller provides the high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high-voltage batteries to generate low voltage chipset RAM supplies in notebook computers. The constant-on-time PWM control scheme handles wide input/output voltage ratios...
SKU: ZZ10.CIC196
ISL 22349
The ISL22349 integrates four digitally controlled potentiometers (DCP) and non-volatile memory on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wipers are controlled by the user through the I 2C bus interface. Each potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The contents of...
SKU: ZZ10.CIC195
SMSC 2103-2
The EMC2103 is an SMBus compliant fan controller with up to up to 3 external and 1 internal temperature channels. The fan driver can be operated using two methods each with two modes. The methods include an RPM based Fan Speed Control Algorithm and a direct PWM drive setting. The modes include manually programming the desired settings or using the internal programmable temperature look-up table to select the desired setting based on measured temperature. The temperature monitors offer 1°C accuracy (for external...
SKU: ZZ10.CIC194
TPS 51518
The TPS51518 is a single phase, D-CAP/D-CAP2 synchronous buck controller with 2-bit VID inputs which can select up to four independent externally programmable output voltage levels where full external programmability in the voltage level, step setting and voltage transition slew rate is desired. It is used for GFX applications where multiple voltage levels are desired.The TPS51518 supports all PS/SPCAP and/or all ceramic MLCC output capacitor options in applications where remote sense is a requirment. Tight DC load...
SKU: ZZ10.CIC189
MAXIM 8744AE
The MAX8744/MAX8745 are dual step-down, switchmode, power-supply (SMPS) controllers with synchronous rectification, intended for main 5V/3.3V power generation in battery-powered systems. Fixed-frequency operation with optimal interleaving minimizes input ripple current from the lowest input voltages up to the 26V maximum input. Optimal 40/60 interleaving allows the input voltage to go down to 8.3V before duty-cycle overlap occurs, compared to 180° out-of-phase regulators where the duty-cycle overlap occurs when...
SKU: ZZ10.CIC185
MAXIM 1908E
The MAX1908/MAX8724/MAX8765/MAX8765A highly integrated, multichemistry battery-charger control ICs simplify the construction of accurate and efficient chargers. These devices use analog inputs to control charge current and voltage, and can be programmed by the host or hardwired. The MAX1908/MAX8724/MAX8765/ MAX8765A achieve high efficiency using a buck topology with synchronous rectification. The MAX1908/MAX8724/MAX8765/MAX8765A feature input current limiting. This feature reduces battery charge current when the...
SKU: ZZ10.CIC183
MAXIM 1992E
The MAX1992/MAX1993 pulse-width modulation (PWM) controllers provide high-efficiency, excellent transient response, and high DC output accuracy. The devices step down high-voltage batteries to generate lowvoltage CPU core or chipset/RAM supplies in notebook computers.Maxim’s proprietary Quick-PWM™ quick-response, constant on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients, while maintaining a relatively constant switching...
SKU: ZZ10.CIC182
MAXIM MAX8776G
Voltage Regulators - Switching Regulators GMCH Single-Phase PWM Controller
SKU: ZZ10.CIC181
GMT G7921
The G7921 contains 3 precise digital thermometers, one fan controllers, hardware and software thermal shutdown, and a system-reset circuit. The thermometers report the temperature of 3 remote sensors. The remote sensors are diode-connected transistors typically a low-cost, easily mounted 2N3904 NPN type or the diode built-in in CPU. Remote accuracy is ±1°C for multiple transistor manufacturer. The G7921 also support offset adjust function via SMBus to fix the error due to different CPU diode or parasitic...
SKU: ZZ10.CIC177
TPS 51461
The TPS51461 is a fully integrated synchronous buck regulator employing D-CAP+. It is used fo up to 5V step-down where system size is at its premium performance and optimized BOM are must-haves.This device fully supports Intel system agent applications with integrated 2-bit VID function.The TPS51461 also features two switching frequency settings (700 KHz and 1 MHz), skip mode, pre-bias startup, programmable external capacitor soft-start time/voltage transimition time, output discharge, internal VBST Switch, 2V...
SKU: ZZ10.CIC176
G966-25
The G966 is a high performance positive voltage regulator designed for use in applications requiring very low Input voltage and very low dropout voltage at up to 2 amps. It operates with a VIN as low as 1.4V and VPP voltage 5V with output voltage programmable as low as 0.8V. The G966 features ultra low dropout, ideal for applications where VOUT is very close to VIN. Additionally, the G966 has an enable pin to further reduce power dissipation while shutdown. The G966 provides excellent regulation over variations in...
SKU: ZZ10.CIC175
APA2057A
The APA2057A is a monolithic integrated circuit, which combines a stereo power amplifier and a stereo output capacitor-less headphone amplifier. The stereo power amplifier provides 19-steps gain setting for flexible application. The headphone amplifier is ground-reference output, and no need the output capacitors for DC blocking. The advantages of eliminating the output capacitor are saving the cost, PCB’s space and component height. Both the de-pop circuitry and the thermal shutdown protection circuitry are...
SKU: ZZ10.CIC172
ISL 62882C HRTZ
ISL 62882CHRTZ, 62882CThe ISL62882 is a multiphase PWM buck regulator for miroprocessor or graphics processor core power supply. The multiphase buck converter uses interleaved phases to reduce the total output voltage ripple with each phase carrying a portion of the total load current, providing better system performance, superior thermal management, lower component cost, reduced power dissipation, and smaller implementation area. The ISL62882 uses two integrated gate drivers to provide a complete solution. The PWM...
SKU: ZZ10.CIC165
ISL6265A HRTZ
ISL 6265A HRTZThe ISL6265A is a multi-output controller with embedded gate drivers. A single-phase controller powers the Northbridge (VDDNB) portion of the CPU. The two remaining controller channels can be configured for two-phase or individual single-phase outputs. For uniplane CPU applications, the ISL6265A is configured as a two-phase buck converter. This allows the controller to interleave channels to effectively double the output voltage ripple frequency, and thereby reduce output voltage ripple amplitude with...
SKU: ZZ10.CIC164
ISL6264 CRZ
The ISL6264 is a two-phase buck controller with embedded gate drivers. The two-phase buck controller uses two interleaved channels to effectively double the output voltage ripple frequency and thereby reduce output voltage ripple amplitude with fewer components, lower component cost, reduced power dissipation, and smaller real estate area. ISL6264 can also be configured as single-phase controller for low power CPU applications. The heart of the ISL6264 is the patented R3 Technology™, Intersil’s Robust Ripple...
SKU: ZZ10.CIC163
MAXIM 17000E
MAXIM MAX17000E, 17000EThe MAX17000 pulse-width modulation (PWM) controller provides a complete power solution for notebook DDR, DDR2, and DDR3 memory. It comprises a stepdown controller, a source/sink LDO regulator, and a reference buffer to generate the required VDDQ, VTT, and VTTR rails. The VDDQ rail is supplied by a step-down converter using Maxim’s proprietary Quick-PWM™ controller. The high-efficiency, constant-on-time PWM controller handles wide input/output voltage ratios (low duty-cycle applications)...
SKU: ZZ10.CIC155
RT8166B
Richtek RT 8166BThe RT8166B is a dual single-phase PWM controller with integrated MOSFET drivers, compliant with Intel IMVP7 Pulse Width Modulation Specification to support both CPU core and GPU core power. This part adopts G-NAVPTM (Green-Native AVP), which is a Richtek proprietary topology derived from finite DC gain compensator in constant ontime control mode. G-NAVPTM makes this part an easy setting PWM controller to meet all Intel AVP (Active Voltage Positioning) mobile CPU/GPU requirements. The RT8166B uses...
SKU: ZZ10.CIC154
MAXIM MAX1999
The MAX1999 evaluation kit (EV kit) demonstrates the MAX1999’s standard application circuit. This DC-DC converter steps down high-voltage batteries and/or AC adapters, generating system supplies for notebook computers. The MAX1999 EV kit provides dual 5V and 3.3V output voltages from a 7V to 24V battery input range. It delivers up to 5A output current for the 5V output and 5A for the 3.3V output with greater than 90% efficiency. The EV kit operates at 200kHz/300kHz switching frequency (5V/3.3V, respectively) and...
SKU: ZZ10.CIC152
MAXIM MAX1845
The MAX1845 is a dual PWM controller configured for step-down (buck) topologies that provides high efficiency, excellent transient response, and high DC output accuracy necessary for stepping down high-voltage batteries to generate low-voltage chipset and RAM power supplies in notebook computers. The CS_ inputs can be used with low-side sense resistors to provide accurate current limits or can be connected to LX_, using low-side MOSFETs as current-sense elements. The on-demand PWM controllers are free running,...
SKU: ZZ10.CIC151
MAXIM 17009G
The MAX17009 is a 2-phase, step-down interleaved, fixed-frequency controller for AMD’s® serial VID interface (SVI) CPU core supplies. Power-on detection of the CPU configures the MAX17009 as two independent single-phase regulators for a dual CPU core application, or one high-current, dual-phase, combined-output regulator for a unified core application. A reference buffer output (NBV_BUF) sets the voltage-regulation level for a North Bridge (NB) regulator, completing the total CPU cores and NB power requirements....
SKU: ZZ10.CIC150
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MAXIM MAX1987
The MAX1987/MAX1988 are dual-phase, Quick-PWM™, step-down controllers for IMVP-IV™ CPU core supplies. Dual-phase operation reduces input ripple current requirements and output voltage ripple, while easing component selection and layout difficulties. The QuickPWM control scheme provides instantaneous response to fast load-current steps. The MAX1987/MAX1988 include active voltage positioning with adjustable gain and offset, reducing power dissipation and bulk output capacitance requirements. The MAX1987/MAX1988...
SKU: ZZ10.CIC149
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MAXIM 17040
The MAX17040/MAX17041 are ultra-compact, low-cost, host-side fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17040 is configured to operate with a single lithium cell and the MAX17041 is configured for a dual-cell 2S pack. The MAX17040/MAX17041 use a sophisticated Li+ battery-modeling scheme, called ModelGauge™ to track the battery’s relative state-of-charge (SOC) continuously over a widely varying charge/discharge profile. Unlike traditional fuel gauges, the...
SKU: ZZ10.CIC148
MAXIM 1540AE
MAXIM 1540, MAX1540A, 1540AEThe MAX1540A/MAX1541 dual pulse-width modulation (PWM) controllers provide the high efficiency, excellent transient response, and high DC-output accuracy necessary for stepping down high-voltage batteries to generate low-voltage chipset and RAM power supplies in notebook computers. The Maxim proprietary Quick-PWM™ controllers are free running, constant on-time with input feed forward. This configuration provides ultra-fast transient response, wide input-output (I/O) differential range,...
SKU: ZZ10.CIC147