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参数资料
| 型号： | LM3352MTC-3.3/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | 1.10 MM HEIGHT, TSSOP-16 |
| 文件页数： | 2/12页 |
| 文件大小： | 545K |
| 代理商： | LM3352MTC-3.3/NOPB |
Maximum Available Output Current
The LM3352 cannot provide 200 mA under all V
IN and VOUT
conditions. The V
OUT vs VIN graphs in the Typical Perfor-
mance Characteristics section show the minimum V
IN at
which the LM3352 is capable of providing different load
currents while maintaining V
OUT regulation. Refer to the
Electrical Characteristics for guaranteed conditions.
Maximum Load Under Start-Up
Due to the LM3352’s unique start-up sequence, it is not able
to start up under all load conditions. Starting with 45 mA or
less will allow the part to start correctly under any tempera-
ture or input voltage conditions. After the output is in regu-
lation, any load up to the maximum as specified in the
Electrical Characteristics may be applied. Using a Power On
Reset circuit, such as the LP3470, is recommended if
greater start up loads are expected. Under certain conditions
the LM3352 can start up with greater load currents without
the use of a Power On Reset Circuit (See application note
AN-1144: Maximizing Startup Loads with the LM3352 Regu-
lated Buck/Boost Switched Capacitor Converter).
Thermal Protection
During output short circuit conditions, the LM3352 will draw
high currents causing a rise in the junction temperature.
On-chip thermal protection circuitry disables the charge
pump action once the junction temperature exceeds the
thermal trip point, and re-enables the charge pump when the
junction temperature falls back to a safe operating point.
Typical Application Circuits
10103733
FIGURE 2. Basic Buck/Boost Regulator
10103715
FIGURE 3. Low Output Noise and Ripple Buck/Boost Regulator
LM3352
www.national.com
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相关PDF资料 |
PDF描述 |
|---|---|
| LM3352MTC-3.0/NOPB | SWITCHED CAPACITOR REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO16 |
| LM3431SD | SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, QCC28 |
| LM3431SDX | SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, QCC28 |
| LM3543MX-L/NOPB | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| LM3543MX-H/NOPB | 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LM3352MTCX-2.5 | 功能描述:IC REG MULTI CONFIG 16-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM3352MTCX-3.0 | 功能描述:IC REG MULTI CONFIG 3V 16-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM3352MTCX-3.3 | 功能描述:IC REG MULTI CONFIG 16-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:3.3V 输入电压:4.5 V ~ 24 V PWM 型:- 频率 - 开关:- 电流 - 输出:125mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 包装:Digi-Reel® 供应商设备封装:SOT-6 其它名称:MAX1836EUT33#TG16DKR |
| LM3354 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Regulated 90mA Buck-Boost Switched Capacitor DC/DC Converter |
| LM3354-1.8EVAL | 功能描述:BOARD EVALUATION LM3354-1.8 RoHS:否 类别:编程器，开发系统 >> 评估板 - DC/DC 与 AC/DC（离线）SMPS 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:True Shutdown™ 主要目的:DC/DC，步升 输出及类型:1，非隔离 功率 - 输出:- 输出电压:- 电流 - 输出:1A 输入电压:2.5 V ~ 5.5 V 稳压器拓扑结构:升压 频率 - 开关:3MHz 板类型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
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