电源管理芯片TL3842P
更新时间:2015-12-17 17:45:07 信息编号:3688614 发布者IP:183.14.112.191 浏览:128次- 供应商
- 深圳市想亚微电子有限公司 商铺
- 认证
- 资质核验:已通过营业执照认证入驻顺企:第11年主体名称:深圳市想亚微电子有限公司组织机构代码:440306105351226
- 报价
- 人民币¥1.00元每PCS
- 品牌
- TI
- 型号
- TL3842P
- 批次
- 08+
- 关键词
- TL3842P,TL3842
- 所在地
- 深圳市宝安区西乡街道三围社区宝安机场505区楼房74号汇园阁504(办公场所)
- 联系电话
- 0755-33235315
- 手机号
- 13418849546
- 经理
- 郝生 请说明来自顺企网,优惠更多
产品详细介绍
description The TL3842 series of controlintegrated circuits provide the features that are necessary to implement off-line or dc-to-dc fixed-frequency current-mode control schemes with a minimumnumber of external components. Some of the internally implemented circuits are an undervoltage lockout(UVLO), featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at theerror amplifier input. Other internal circuits include logic to ensure latched operation, a pulse-width modulation(PWM) comparator (which also provides current-limit control), and a totem-pole output stage designed to sourceor sink high-peak current. The output stage, suitable for driving N-channel MOSFETs, is low when it is in theoff state.
Major differences between members of these series are the UVLO thresholds and maximum duty-cycle ranges.Typical UVLO thresholds of 16 V (on) and 10 V (off) on the TL3842 devices make them ideally suitedto off-line applications. The corresponding typical thresholds for the TLx845 devices are 8.4 V (on)and 7.6 V (off). The TLx842 and TLx843 devices can operate to duty cycles approaching . whichblanks the output off every other clock cycle.
The TL3842-series devices arecharacterized for operation from 0°C to 70°C
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