CXSU63164系列产品是内置了0.2Ω(TYP.)N-沟道驱动器晶体管,及0.2Ω(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。由于降低了内置晶体管的导通电阻，能高效率稳定地提供最大1.0A为止的电流。从输入电压VIN=0.9V开始，启动时33Ω负载电阻的输出电压能达到3.3V，能用于1只碱性或镍氢电池的仪器。负载切断功能可以在关机时切断输入和输出之间的导通状态。输出电压范围在1.8V～5.0V(±2.0%)，备有能以0.1V间隔设定VOUT的产品。
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产品概述 返回TOP
CXSU63164系列产品是内置了0.2Ω(TYP.)N-沟道驱动器晶体管,及0.2Ω(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。由于降低了内置晶体管的导通电阻，能高效率稳定地提供最大1.0A为止的电流。从输入电压VIN=0.9V开始，启动时33Ω负载电阻的输出电压能达到3.3V，能用于1只碱性或镍氢电池的仪器。负载切断功能可以在关机时切断输入和输出之间的导通状态。输出电压范围在1.8V～5.0V(±2.0%)，备有能以0.1V间隔设定VOUT的产品。具有UVLO的解除电压为0.85V(±6.0%),1.6V(±3.0%)两种类型的标准产品，此外，还能在0.9V～3.0V的范围内为客户特别设定。CXSU63163/CXSU63164 series are synchronous step-up DC/DC converters with a 0.2Ω(TYP.) N-channel driver transistor and a 0.2 Ω(TYP.) synchronous P-channel switching transistor built-in. A highly efficient and stable current can be supplied up to 1.0A by reducing ON resistance of the built-in transistors. The series are able to start operation under the condition which has 0.9V input voltage to generate 3.3V output voltage with a 33 Ωload resistor, suitable for mobile equipment using only one Alkaline battery or one Nickel metal hydride battery. During the operation of a shutdown, the load disconnection function enables to cut the current conduction path from the input to the output. The output voltage is selectable in 0.1V increments within 1.8~5.0V (±2.0% accuracy). The UVLO function of the CXSU63163 series is capable to reduce leaking potassium hydroxide by stopping IC operation while battery voltage is declining. The release voltages of UVLO are 0.85V (±6.0% accuracy) and 1.6V (±3.0% accuracy), and selectable voltages range of 0.9V~3.0V.
产品特点 返回TOP
应用范围 返回TOP
●Digital audio equipments
●Digital still cameras / Camcorders
●Computer mouses
●Multi-function power supplies
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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 |
|||
|
PWM/PFM |
SOT89/SOT89-5 USP-6B |
PWM/PFM |
Nch |
No |
0.9 |
10 |
2 |
7 |
- |
±2.5% |
50 |
8.2 |
|||
|
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 |
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PWM/PFM |
SOT25/USP6B |
PWM |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
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PWM/PFM |
SOT25/USP6C |
PWM/PFM |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
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PWM/PFM |
SOT25/USP6B |
PWM/PFM 外部转换 |
None |
No |
0.9 |
6 |
1.5 |
30 |
- |
±2.0% |
100 |
13 |
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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 |
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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 |
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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 |
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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 |
Auto |
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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 |
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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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