CXSU63165系列产品是对应陶瓷电容,内置了0.6Ω(TYP.)N-沟道驱动晶体管及0.65Ω(TYP.)P-沟道同步整流开关晶体管的升压同步整流DC/DC转换器。由于采用了PFM控制，从而实现了低消耗电流，是最适合于重视高效率的便携式产品的应用。当输出电压为3.3V，输出电流为1mA时，输入电压可以从VBAT=0.9V开始启动，适用于只用1支碱性电池或镍-金属氢化物电池即可启动的应用。输出电压在1.8V～5.0V (±2.0%)的范围内，能以0.1V的间隔设定
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产品概述 返回TOP
CXSU63165系列产品是对应陶瓷电容,内置了0.6Ω(TYP.)N-沟道驱动晶体管及0.65Ω(TYP.)P-沟道同步整流开关晶体管的升压同步整流DC/DC转换器。由于采用了PFM控制，从而实现了低消耗电流，是最适合于重视高效率的便携式产品的应用。当输出电压为3.3V，输出电流为1mA时，输入电压可以从VBAT=0.9V开始启动，适用于只用1支碱性电池或镍-金属氢化物电池即可启动的应用。输出电压在1.8V～5.0V (±2.0%)的范围内，能以0.1V的间隔设定。备有切断负载功能，在停机时，切断输入与输出的导通状态(CXSU63165A)和备有旁路模式功能使输入与输出呈导通状态(CXSU63165C)。还可选择附带UVLO(Undervoltage Lock Out)功能的产品(正在研发中)，当输入电压过低时，可停止IC工作，以防止电池液体泄漏。备有UVLO解除电压为2.15V (±3.0%)的标准产品，还有1.65V～2.2V范围内以0.1V为设定间隔的客户定制产品。The CXSU63165 series are step-up synchronous DC/DC converters that support ceramic capacitors and have an internal 0.6Ω (TYP.) Nch driver transistor and an internal 0.65Ω (TYP.) Pch synchronous rectifier switch transistor. PFM control enables a low quiescent current, making these products ideal for portable devices that require high efficiency. When the output voltage is 3.3V and the load current is 1mA (CXSU63165Axx1 type and CXSU63165Cxx1 type), startup from an input voltage of VIN = 0.9V is possible which means that these products can be used in applications that start using a single alkaline or nickel-metal hydride battery. The output voltage can be set from 1.8V to 5.0V (±2.0%) in steps of 0.1V. The CXSU63165 features a load disconnect function to break continuity between the input and output at shutdown (CXSU63165A), and also a bypass mode function to maintain continuity between the input and output (CXSU63165C). A version with a UVLO (Under Voltage Lock-out) function is also available. This function enables the prevention of battery leakage by stopping IC’s operation when the input voltage is low. The standard product has a UVLO release voltage of 2.15V (±3.0%), and a custom version with a release voltage selectable from between 1.65V to 2.2V, in steps of 0.05V, is also available.
产品特点 返回TOP
应用范围 返回TOP
●Mouses, Keyboards
● Bluetooths
● Household use Medical equipments
● Remote controls
● Game consoles
● Devices with 1~3 Alkaline, 1~3 Nickel Hydride, 1 Lithium and 1 Li-ion
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产品封装图 返回TOP
电路原理图 返回TOP
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升压型DC/DC转换器 |
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产品名称 |
特点 |
封装 |
控制 |
FET |
Synchr onous |
VIN MIN |
VIN MAX |
VOUT MIN |
VOUT MAX |
IIN |
FB/VOUT 电压精度 |
振荡 频率 kHz |
限制 电流 mA |
消耗 电流 μA |
限定 电流 |
|
(V) |
(V) |
(V) |
(V) |
(mA) |
自动 闩锁 |
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|
PWM/PFM |
SOT-25 |
PWM |
None |
No |
0.9 |
10 |
1.5 |
6.5 |
- |
±2.5% |
100 |
20 |
|||
|
PWM/PFM |
SOT-25 |
PWM/PFM |
None |
No |
0.9 |
10 |
1.5 |
6.5 |
- |
±2.5% |
100 |
20 |
|||
|
PWM/PFM |
SOT89/SOT89-5 USP-6B |
PWM |
Nch |
No |
0.9 |
10 |
2 |
7 |
- |
±2.5% |
50 |
8.2 |
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|
PWM/PFM |
SOT89/SOT89-5 USP-6B |
PWM/PFM |
Nch |
No |
0.9 |
10 |
2 |
7 |
- |
±2.5% |
50 |
8.2 |
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|
PWM |
MSOP-8A |
None |
No |
2.5 |
20 |
2.2 |
30 |
- |
100~600 |
90 |
Auto |
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|
PWM/PFM |
SOT25/USP6B |
PWM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
20 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM/PFM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
20 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM/PFM 外部转换 |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
20 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
16 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM/PFM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
16 |
|||
|
PFM |
SOT25/USP6C |
PFM |
Nch |
No |
0.9 |
10 |
1.5 |
7 |
- |
±2.5% |
100 |
1.9 |
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|
PFM |
SOT23/SOT25 SOT89/USP6C |
PFM |
Nch |
No |
0.9 |
10 |
1.5 |
7 |
- |
±2.5% |
100 |
1.9 |
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|
背光LED驱动 |
SOT25/USP6B |
PWM |
Nch |
No |
2.5 |
6 |
17.5 |
- |
±0.5% |
1000 |
325 |
50 |
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|
PWM |
SOT25/USP6C |
PWM |
Nch |
No |
2.5 |
6 |
19.5 |
- |
±2.0% |
1000 |
400 |
55 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
|||
|
PWM/PFM |
SOT25/USP6C |
PWM/PFM |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
|||
|
PWM/PFM |
SOT25/USP6B |
PWM/PFM 外部转换 |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
|||
|
内置1A驱动三极管 |
MSOP10/USP10B |
PWM/PFM 外部转换 |
Nch |
Yes |
0.8 |
6 |
1.8 |
5.3 |
1000 |
±10mV |
1200 |
1500 |
30 |
Auto |
|
|
内置1A驱动三极管 |
USP10B |
PWM/PFM 外部转换 |
Nch |
Yes |
0.8 |
6 |
1.8 |
5.3 |
1000 |
±10mV |
1200 |
1500 |
29 |
Auto |
|
|
附带负载切断功能 |
USP10B |
PWM,PWM/PFM |
Nch |
Yes |
0.65 |
5.5 |
1.8 |
5 |
1000 |
±10mV |
1200 |
1500 |
36 |
Auto |
|
|
白色LED驱动升压 |
SOT25 |
PWM |
PWM |
No |
2.5 |
6 |
2.5 |
17.5 |
- |
±5.0% |
1000 |
360 |
60 |
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|
内置1A驱动三极管 |
USP10B |
PWM/PFM |
Nch |
Yes |
0.65 |
5.5 |
1.8 |
5 |
1000 |
±2.0% |
1200 |
1590 |
39 |
Latch |
|
|
内置1A驱动三极管 |
USP10B |
PWM/PFM |
Nch |
Yes |
0.65 |
5.5 |
1.8 |
5 |
1000 |
±2.0% |
1200 |
1590 |
39 |
Auto |
|
|
PFM控制、同步整流 |
SOT25 |
PFM |
Nch |
Yes |
0.9 |
5.5 |
1.8 |
5 |
- |
±2.0% |
1200 |
350 |
6.3 |
Yes |
|
|
附带负载切断功能 |
SOT25 USP6C WLP6-01 |
PWM |
Nch |
Yes |
0.65 |
6 |
1.8 |
5.5 |
800 |
±2.0% |
1200 |
1300 |
17,26 |
自动 闩锁 |
|
|
附带负载切断功能 |
SOT25/USP6C USPN4B02/WLP6-01 |
PWM/PFM |
Nch |
Yes |
0.65 |
6 |
1.8 |
5.5 |
800 |
±2.0% |
1200 |
1300 |
17,26 |
自动 闩锁 |
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◀ 上一篇:P-沟道开关晶体管的升压同步整流DC/DC转换器CXSU63164高效率稳定输出1.0A电流输出电压3.3V导通电阻
下一篇▶:1.2MHz和3MHz的振荡器内置晶体管的开路电阻CXSU63166 P沟道开关晶体管的升压同步整流DC/DC转换器输出0.8A稳定电流
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