CXSU63143列是内置高速低通态电阻驱动器的通用升压DC/DC转换控制器集成电路。使用晶体管,线圈,二极管和电容器共4个外置元件，构建高效的升压DC/DC转换器。该器件可在1.5V～6.5V (±2.5％)范围内，以0.1V的间隔进行设定(VOUT型)。并且，除了VOUT型之外，还备有内置1.0V的基准电压源，以外置元件可任意设定输出电压的型号(FB型)。
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产品概述 返回TOP
CXSU63143系列是内置高速低通态电阻驱动器的通用升压DC/DC转换控制器集成电路。使用晶体管,线圈,二极管和电容器共4个外置元件，构建高效的升压DC/DC转换器。该器件可在1.5V～6.5V (±2.5％)范围内，以0.1V的间隔进行设定(VOUT型)。并且，除了VOUT型之外，还备有内置1.0V的基准电压源，以外置元件可任意设定输出电压的型号(FB型)。因开关频率高达300kHz，可使用小型外部元件。在小负载时，PWM／PFM切换控制型CXSU63143系列以PFM工作模式进行工作。因此，在从小负载至大输出电流的整个负载范围内，达到高效率。关于软启动时间，有在内部设定为10ms的型号(A,B,E型)，以及可用外置电阻和电容器进行调整的的型号(C,D,F型)。使用待机功能，能够停止工作(CE端"L")，使电流消耗降到0.5μA以下。The CXSU63142/CXSU63143 series are multi-functional step-up DC/DC controllers which provide high efficiency outputs by using an externally connected transistor, coil, diode and capacitor. Output voltage is selectable in 0.1V increments within a range of 1.5V ~ 6.5V (±2.5%). For output voltages outside this range, we recommend FB version, which has a 1.0V internal reference voltage. Using the FB version, the required output voltage can be set-up using 2 external resistors. With a 300kHz oscillation frequency, the size of the external components can be reduced. Control switches from PWM to PFM during light loads with the CXSU63143 (PWM/PFM switchable) and the series is highly efficient from light loads to large output currents. Soft start time of CXSU63142/ CXSU63143A, B, and E series is internally set to 10ms and CXSU63142/68C, D, and F series regulate soft-start time by connecting resistors and capacitors externally. During stand-by (CE pin "Low"), supply current is reduced to less than 0.5μA.
产品特点 返回TOP
应用范围 返回TOP
●E-book Readers / Electronic dictionaries
●Smart phones / Mobile phones
●Note PCs / Tablet PCs
●Digital audio equipments
●Multi-function power supplies
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产品封装图 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 |
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 |
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|
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 |
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|
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 |
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|
PWM/PFM |
SOT25/USP6B |
PWM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
16 |
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|
PWM/PFM |
SOT25/USP6B |
PWM/PFM |
None |
No |
0.9 |
10 |
1.5 |
30 |
- |
±2.0% |
100 |
16 |
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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 |
|
|
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/USP6 CUSPN4B02/WLP6-01 |
PWM/PFM |
Nch |
Yes |
0.65 |
6 |
1.8 |
5.5 |
800 |
±2.0% |
1200 |
1300 |
17,26 |
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