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UD05123L-AF5-R中文资料
UD05123L-AF5-R数据手册规格书PDF详情
DESCRIPTION
UTC UD05123 is a 2.25MHz constant frequency current mode
PWM step-down converter. It is ideal for portable equipment
requiring very high current up to 1.8A from single-cell Lithium-ion
batteries while still achieving over 90 efficiency during peak load
conditions. The 2.5V to 5.5V input voltage range makes UTC
UD05123 ideally suited for single Li-Ion, two to four AA
battery-powered applications. 100 duty cycle provides low
dropout operation, extending battery life in portable systems. Pulse
skipping mode operation provides very low output ripple voltage for
noise sensitive applications. Switching frequency is internally set at
2.25MHz, allowing the use of small surface mount inductors and
capacitors. The internal synchronous switch increases efficiency
and decreases need of an external Schottky diode. Low output
voltages are easily supported with the 0.6V feedback reference
voltage.
FEATURES
* Input Voltage Range :2.5V~5.5V
* Output Voltage: from 0.6V to VIN
* High Efficiency: Up to 92
* Constant Frequency Operation: 2.25MHz
* Output Current:1.2A
* Quiescent Current: 50uA (input < 4.2V)
* No Schottky Diode Required
* 100 Duty Cycle in Dropout
* 0.6V Reference Allows Low Output Voltages
* Current Mode Operation for Excellent Line and Load
Transient Response
* Current limit, Enable function
* Short Circuit Protect (SCP)
* ≤1μA Shutdown Current
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
23+ |
DIP |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
|||
FAIRCHILD/仙童 |
24+ |
TO220 |
8540 |
只做原装正品现货或订货假一赔十! |
|||
FAI |
25+ |
TO220-4 |
50 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
|||
FAI |
23+ |
TO220-4 |
50 |
全新原装正品现货,支持订货 |
|||
ST |
02/03+ |
QFP64 |
684 |
全新原装100真实现货供应 |
|||
ST |
24+ |
QFP64 |
940 |
||||
ST |
25+ |
QFP64 |
940 |
⊙⊙新加坡大量现货库存,深圳常备现货!欢迎查询!⊙ |
|||
ST |
25+ |
QFP-52P铁底 |
4897 |
绝对原装!现货热卖! |
|||
ST |
25+ |
QFP64 |
2987 |
只售原装自家现货!诚信经营!欢迎来电! |
|||
ST |
23+ |
QFP-64 |
16900 |
正规渠道,只有原装! |
UD05123L-AF5-R 资料下载更多...
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UTC相关芯片制造商
Datasheet数据表PDF页码索引
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