开关控制器

ADP1043 - 适合隔离电源应用的数字控制器

ADI公司的开关控制器在输出电流方面提供很好的灵活性，设置输出电流极限范围为0 A至大于5 A（针对异步设计）和每通道电流大于20 A（针对同步设计）。基于开关稳压器的控制器能够提供适合应用要求的最高效率和性能。该产品的特性包括：单通道和双通道、使能控制、可编程软启动、欠压锁定输出（UVLO）、电流限制、裕量控制、输出电压跟踪、频率同步、3V-24V输入电压范围、电源准备好指示、以及在25°C下高达0.5%的输出精度。

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Help

Sort: Click on the arrows beneath the parameter on which you would like to sort, ascending and descending order.
Add/Remove Parameters: Click on the Add/Remove Parameters button. Select/deselect the checkbox of the parameter in the add/remove parameter pop up box. Click on "Update" for the table to redraw with new selection of parameters.
Filter: Enter the desired value to filter parameter(s) by, and click the "Update Results" button to update the table display.
Reset Table: Click "Reset Table" to clear all filters/sorts and restore table back to default view.
Quick Filters: When applicable, select a quick filter with preset parameters filtered to narrow the results returned.

Switching Controllers (Ext Switches)

Part# Results: 7	Vin Range	Pwr Stage Vin	Vout Adj Options	Multi-Output	Shutdown Current	Supply Current (max)	Switching Frequency	Iout (max)	Synchronous	Step Down	Step Up	Pkg	Product Description	Price* (1000-4999)	Part# Results: 7
Sort parameter															Sort parameter
ADP1621	2.9V-5.5V	As Low As 1V	Lossless ISens@<30V Vout, Resistor ISens@>30V	No	10µA	3mA	100 KHz - 1.5 MHz	-	No	No	Yes	MSOP-10	Constant-Frequency, Current-Mode, Step-Up DC/DC Controller	$1.30	ADP1621
ADP1821	3.7V-5.5V	1V-24V	0.6V to 85% PwrStgVin	No	10µA	2mA	300 kHz -600 kHz, Sync up to 1 MHz	20A	Yes	Yes	No	QSOP-16	20 A Step-Down DC-DC Controller	$1.35	ADP1821
ADP1822	3.7V-5.5V	1V-24V	0.6V to 85% PwrStgVin	No	10µA	2mA	300 kHz-600 kHz; Sync up to 1 MHz	20A	Yes	Yes	No	QSOP-24	20 A, PWM, Step-Down DC-DC Controller with Margining and Tracking	$1.40	ADP1822
ADP1823	3.7V-20V	1V-24V	0.6V to 85% PwrStgVin	Yes	20µA	3mA	300 kHz-600 kHz, Sync up to 1 MHz	20A	Yes	Yes	No	LFCSP-32	Versatile Dual, Interleaved Synchronous PWM Buck Controller w/ Tracking	$2.10	ADP1823
ADP1828	3.0V-18V	1V-24V	0.6V to 85% PwrStgVin	No	15µA	3mA	300 kHz to 600 kHz	-	Yes	Yes	No	QSOP-20	Synchronous Buck PWM, Step-Down, DC-to-DC Controller	$1.50	ADP1828
ADP1829	3.0V-18V	1V-24V	0.6V to 85% PwrStgVin	Yes	20µA	3mA	300 kHz-600 kHz, Sync up to 1 MHz	20A	Yes	Yes	-	LFCSP-32	Dual, Interleaved, Step-Down DC-to-DC Controller w/ Tracking	$2.10	ADP1829
ADP1864	3.15V-14V	3.15V-14V	0.8V to Vin	No	15µA	350µA	580 kHz	5A	No	Yes	No	TSOT-6	5A, Constant Frequency, Current-Mode Step-Down DC/DC Controller in TSOT	$1.05	ADP1864