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6A输出电流的高效同步降压调节器I2C可编程输出电压CXSD62545输入电压4.5V至18V可调软启动时间输入UVLO | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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目录7.相关产品 产品概述 返回TOP CXSD62545 develops a high efficiency synchronous buck regulator capable of delivering 6A output current. The device operates over a wide input voltage range from 4.5V to 18V. CXSD62545 adopts instant PWM architecture to achieve fast transient response.CXSD62545 integrates an I2Ccompatible interface for output voltage setting, status read back, etc. The device also features enable control, open drain power good indicator, cycle-by-cycle current limit, short circuit protection and thermal shutdown.CXSD62545 provides compact solution for TCON power system. It is available in a QFN3x3-20 package.产品特点 返回TOP
· 4.5V to 18V Input Voltage Range · 6A Synchronous Buck Regulator: o Low RDS(ON) for Internal Switches (Top FET/Bottom FET): 50/15 MΩ o 6.0A Output Current Capability o Instant PWM Architecture to Achieve Fast Transient Responses o 200khz to 1MHz Programmable Switching Frequency o I2CProgrammable Output Voltage with Initial Voltage Setting By Resistor Divider o 0.6V+/-1% Feedback Reference Voltage o Enable Control o Power Good Indicator o Adjustable Soft-Start Time o PSM Mode at Light Load For High Efficiency o Cycle-By-Cycle Current Limit Protection o Hic-Cup Mode Output Short Circuit Protection o Hic-Cup Mode Output Over Voltage Protection · I2CCompatible Interface: o Supports 100khz Standard Mode and 400khz Fast Mode o 7-Bits VID Programmable Output Voltage From 0.68V To 1.95V With 10mv/Step o VID Voltage Transition Slew Rate Control o Power Good Status Read Back o Over Temperature Warning Read Back o On/Off Control · Thermal Shutdown with Auto Recovery · Input UVLO · Rohs Compliant and Halogen Free · Compact Package: QFN3x3-20 应用范围 返回TOP
· Tcon Power System · Mobile Handsets · Portable Applications 技术规格书（产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！ 产品封装图 返回TOP a 电路原理图 返回TOP
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Single Output Step Down Regulator (Integrated Switch) |
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Number |
Vin (min) (V) |
Vin (max) V |
UVLO (V) |
Iout (max) (A) |
Vout (min) (V) |
Out. Voltage Acurracy |
Quiescent Current Typ (uA) |
Shutdown Current (uA) |
(Ron H) (mΩ) |
(Ron L) (mΩ) |
|
2.5 |
5.5 |
2.5 |
3.5 |
0.6 |
±1.5% |
18 |
0.1 |
55 |
35 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
CXSD62480A |
2.5 |
5.5 |
2.4 |
1.2 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
CXSD62480B |
2.5 |
5.5 |
2.4 |
0.6 |
0.6 |
±1.5% |
50 |
0.1 |
300 |
200 |
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
|
CXSD62481A |
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
CXSD62481B |
2.5 |
5.5 |
2.5 |
1 |
3.3 |
±1.5% |
50 |
0.1 |
200 |
150 |
|
CXSD62481H |
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±1.5% |
50 |
0.1 |
180 |
120 |
|
CXSD62481V |
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±1.5% |
50 |
0.1 |
180 |
120 |
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
|
CXSD62483A |
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
CXSD62483C |
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
60 |
0.1 |
260 |
170 |
|
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±2% |
90 |
0.1 |
180 |
120 |
|
|
CXSD62484L |
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
90 |
0.1 |
250 |
200 |
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
6.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
6.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
260 |
170 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
270 |
160 |
|
|
2.5 |
5.5 |
2.5 |
1 |
0.6 |
±2% |
40 |
0.1 |
230 |
150 |
|
|
2.7 |
5.5 |
2.5 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
CXSD62490A |
2.7 |
5.5 |
2.5 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
CXSD62490B |
2.7 |
5.5 |
2.65 |
3 |
0.6 |
±2% |
55 |
0.1 |
100 |
80 |
|
CXSD62490E |
2.7 |
5.5 |
2.65 |
3 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
CXSD62491B |
2.5 |
5.5 |
2.5 |
1.5 |
0.6 |
±2% |
60 |
0.1 |
210 |
130 |
|
CXSD62491E |
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
CXSD62492L |
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
120 |
90 |
|
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
|
CXSD62493A |
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
|
CXSD62493B |
2.7 |
5.5 |
2.65 |
2 |
0.6 |
±2% |
55 |
0.1 |
110 |
80 |
