型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | LOGO |
---|---|---|---|---|
RT8253A | 3A, 23V, 340kHz Synchronous Step-Down Converter General Description The RT8253A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8253As current mode architecture and external compensation allow the transient response to be optimized over a wid 文件:227.68 Kbytes 页数:15 Pages | RichTek 立锜科技 | RichTek | |
RT8253A | 3A, 23V, 340kHz同步降压型转换器 RT8253A是一个高效率,单片同步降压型DC / DC转换器,在4.5V至23V的输入电源下可提供高达3A的输出电流。RT8253A的电流模式架构和外部补偿使得在很宽范围的负载及输出电容中,都可得到最佳的瞬态响应。逐周期电流限制保护元件不受输出短路影响,软启动功能可在启动过程中防止了输入电流过冲。故障保护包括输出欠压保护和过热保护。低电流 (<3μA) 消耗之电源关闭模式会将输出关闭,有助于电池供电系统的电源管理。RT8253A提供SOP- 8 (裸露焊盘)封装。 • ±1.5% 高精确度回馈电压 \n• 3A输出电流 \n• 电流模式控制\n• 输出电压可调:0.8V至20V \n• 可调软启动\n• 逐周期过电流保护\n• 输出欠压保护\n• 符合RoHS规范与无卤特性; | Richtek 立锜科技 | Richtek | |
3A, 23V, 1.2MHz Synchronous Step-Down Converter General Description The RT8253B is a high-efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8253Bs current mode architecture and external compensation allow the transient response to be optimized over a wid 文件:205.9 Kbytes 页数:15 Pages | RichTek 立锜科技 | RichTek | ||
BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK 文件:596.73 Kbytes 页数:32 Pages | SII 精工爱普生 | SII | ||
BATTERY PROTECTION IC FOR 2-SERIAL OR 3-SERIAL-CELL PACK 文件:596.73 Kbytes 页数:32 Pages | SII 精工爱普生 | SII |
技术参数
- Vin(min)(V):
4.5
- Vin(max)(V):
23
- Number of Outputs:
1
- Vout(min)(V):
0.8
- Vout(max)(V):
20
- Output Adj. Method:
Resistor
- Iout(max)(A):
3
- Current Limit(typ)(A):
5.8
- Freq(typ)(kHz):
340
- Ext Sync:
No
- Ron_HS(typ)(mOhm):
85
- Ron_LS(typ)(mOhm):
85
- Iq(typ)(mA):
0.8
- Features:
Adjustable Soft-Start;Current Mode Control;Cycle-by-Cycle Current Limit;Enable Input;Force PWM;OCP;OTP;PSM;Stable with Ceramic Capacitor;UVP
- Package Type:
PSOP-8
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RICHTEK/立锜 |
24+ |
PSOP-8 |
78741 |
原装正品现货供应 |
询价 | ||
立锜 |
24+ |
PSOP-8 |
36500 |
原装现货/放心购买 |
询价 | ||
RICHTEK |
2016+ |
SOP8 |
4095 |
只做原装,假一罚十,公司可开17%增值税发票! |
询价 | ||
RICHTEK |
17+ |
SOP8 |
6200 |
100%原装正品现货 |
询价 | ||
RICHTEK |
23+ |
SOP8 |
8650 |
受权代理!全新原装现货特价热卖! |
询价 | ||
RICHTEK |
24+ |
SOP8 |
90000 |
一级代理商进口原装现货、价格合理 |
询价 | ||
RICHTEK |
25+ |
SOP-8 |
9500 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 | ||
Richtek |
三年内 |
SOP8 |
1983 |
只做原装正品 |
询价 | ||
RICHTEK/立锜 |
23+ |
SOP8 |
15000 |
全新原装现货,价格优势 |
询价 | ||
RICHTEK/立錡 |
2447 |
SOP8 |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
询价 |
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