- 制造厂商：TI
- 产品类别：电源管理
- 技术类目：直流/直流开关稳压器 - 升压稳压器
- 功能描述：SIMPLE SWITCHER 1.35A 升压稳压器
- 点击这里打开及下载LM2698的技术文档资料
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The LM2698 device is a general purpose PWM boost converter. The 1.9-A, 18-V, 0.2-Ω internal switch enables the LM2698 to provide efficient power conversion to outputs ranging from 2.2 V to 17 V. It can operate with input voltages as low as 2.2 V and as high as 12 V. Current-mode architecture provides superior line and load regulation and simple frequency compensation over the device’s 2.2 V to 12 V input voltage range. The LM2698 sets the standard in power density and is capable of supplying 12 V at 400 mA from a 5-V input. The LM2698 can also be used in flyback or SEPIC topologies.
The LM2698 SIMPLE SWITCHER® features a pin selectable switching frequency of either 600 kHz or 1.25 MHz. This promotes flexibility in component selection and filtering techniques. A shutdown pin is available to suspend the device and decrease the quiescent current to 5 µA. An external compensation pin gives the user flexibility in setting frequency compensation, which makes possible the use of small, low-ESR ceramic capacitors at the output. Switchers Made Simple® software is available to ensure a quick, easy, and assured design. The LM2698 is available in a low-profile, 8-pin VSSOP (DGK) package.
- 1.9-A, 0.2-Ω Internal Switch (Typical)
- Operating Voltage as Low as 2.2 V
- 600 kHz to 1.25 MHz Adjustable Frequency Operation
- Switchers Made Simple? Software
- 8-Pin VSSOP Package
- Vin (Min) (V)
- 2.2
- Vin (Max) (V)
- 12
- Vout (Min) (V)
- 2.2
- Vout (Max) (V)
- 17
- Switch current limit (Typ) (A)
- 1.35
- Regulated outputs (#)
- 1
- Switching frequency (Min) (kHz)
- 600
- Switching frequency (Max) (kHz)
- 1250
- Iq (Typ) (mA)
- 1.3
- Features
- Enable
- Duty cycle (Max) (%)
- 85
- Rating
- Catalog
LM2698的完整型号有：LM2698MM-ADJ/NOPB，以下是这些产品的关键参数及官网采购报价：
LM2698MM-ADJ/NOPB，工作温度：-40 to 125，封装：VSSOP (DGK)-8，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：SN，TI官网LM2698MM-ADJ/NOPB的批量USD价格：1.646（1000+）
LM2698EVAL — SIMPLE SWITCHER® 1.35A 升压稳压器评估模块
Simple Switcher® 1.35A Boost Regulator
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