Dual-Phase Single or Two Output Synchronous Step-Down Controllers

Description The SC2446 is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase high-current output gate drives to all N-channel MOSFET power stages. The SC2446 operates in synchronous continuous-conduction mode. Both phases are capable of maintaini

文件：803.14 Kbytes 页数：38 Pages

SEMTECH

先之科

高灵敏度锁存型霍尔传感

SC224X 系列采用高频斩波技术，在全工作电压和工作温度范围内具有很高的磁场一致性和对称性。芯片的电源和输出脚集成了过压保护功能，具有抗电磁干扰（EMC）能力强和可靠性高的特点。\r\n\r\nSC224X 内部集成了稳压模块、霍尔阵列、放大电路、施密特触发器和输出级等电路模块。霍尔信号处理通路采用高频斩波技术，不但减小了霍尔感应阵列和处理电路的失调电压，而且减小了应力和温度对失调电压的影响，并尽可能地将芯片的系统延时及输出抖动降低至最小。\r\n\r\n内部集成的稳压电路使芯片可接受 2.5V到 24V 的宽电源供电电压，满足工业和汽车电子的应用需求。\r\n\r\nSC224X 提供小型 • 锁存型开关霍尔\r\n• 内置 10k 上拉电阻\r\n• 高斩波频率\r\n• 宽工作电压范围：2.5—24V\r\n• 宽工作温度范围： -40—150℃\r\n• 磁场对称性好\r\n• 反向电源电压保护到-28V\r\n• 集成过压保护功能在 VDD 和 OUT 脚\r\n• 高抗电磁干扰能力\r\n• 小型封装\r\n- 3-脚 TO92S -(UA)\r\n- 3-脚 SOT23 -(SO);

Semiment

赛卓电子

Dual-Phase Single or Two-Output Synchronous Step-Down Controller

·2-phase synchronous continuous conduction mode for high-efficiency step-down converters\n·Out-of-phase operation for low-input current ripples\n·Output source and sink currents\n·Fixed-frequency peak current-mode control\n·75 mV/-110 mV maximum current-sense voltage\n·Synthesized MOSFET RDS(ON) cur;

Semtech

先之科

Dual-Phase, Single or Dual Output Synchronous Step-Down Controller

Description The SC2446A is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase output gate signals. The SC2446A operates in synchronous continuous-conduction mode. Both phases are capable of maintaining regulation with sourcing or sinking load cur

文件：525.32 Kbytes 页数：27 Pages

SEMTECH

先之科

Dual-Phase, Single or Dual Output Synchronous Step-Down Controller

Description The SC2446A is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase output gate signals. The SC2446A operates in synchronous continuous-conduction mode. Both phases are capable of maintaining regulation with sourcing or sinking load cur

文件：525.32 Kbytes 页数：27 Pages

SEMTECH

先之科

Dual-Phase, Single or Dual Output Synchronous Step-Down Controller

Description The SC2446A is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase output gate signals. The SC2446A operates in synchronous continuous-conduction mode. Both phases are capable of maintaining regulation with sourcing or sinking load cur

文件：525.32 Kbytes 页数：27 Pages

SEMTECH

先之科

Dual-Phase Single or Two Output Synchronous Step-Down Controllers

Description The SC2446 is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase high-current output gate drives to all N-channel MOSFET power stages. The SC2446 operates in synchronous continuous-conduction mode. Both phases are capable of maintaini

文件：803.14 Kbytes 页数：38 Pages

SEMTECH

先之科

Dual-Phase Single or Two Output Synchronous Step-Down Controllers

Description The SC2446 is a high-frequency dual synchronous stepdown switching power supply controller. It provides outof-phase high-current output gate drives to all N-channel MOSFET power stages. The SC2446 operates in synchronous continuous-conduction mode. Both phases are capable of maintaini

文件：803.14 Kbytes 页数：38 Pages

SEMTECH

先之科

Not Recommended for New Designs; use SC2447

The SC2446A is a high-frequency dual synchronous stepdown switching power supply controller. It provides out-of-phase output gate signals. The SC2446A operates in synchronous continuous-conduction mode. ·2-Phase synchronous continuous conduction mode for high efficiency step-down converters\n·Out of phase operation for low input current ripples\n·Output source and sink currents\n·Fixed frequency peak current-mode control\n·50mV/-75mV maximum current sense voltage\n·Inductive current-sensing for low;

Semtech

先之科

Package：28-TSSOP（0.173"，4.40mm 宽）；包装：卷带（TR） 功能：降压 类别：集成电路（IC） PMIC - 稳压器 - DC DC 开关式控制器 描述：IC REG CTRLR BUCK 28TSSOP

Semtech Corporation