产品概述 返回TOP
产品特点 返回TOP
n Wide 3.6V to 24V Input Voltage Range
n Positive or Negative Output Voltage Programming with a Single Feedback Pin
n Current Mode Control Provides Excellent Transient Response
n 1.25V reference adjustable version
n Fixed 400KHz Switching Frequency
n Maximum 2A Switching Current
n SW PIN Built in Over Voltage Protection
n Excellent line and load regulation
n EN PIN TTL shutdown capability
n Internal Optimize Power MOSFET
n High efficiency up to 90%
n Built in Frequency Compensation
n Built in Soft-Start Function
n Built in Thermal Shutdown Function
n Built in Current Limit Function
n Available in SOIC-8 package
应用范围 返回TOP
Automotive and Industrial Boost/Buck-Boost / Inverting Convertersn
Portable Electronic Equipment
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
|
Pin Number |
Pin Name |
Description |
|
1 |
EN |
Enable Pin. Drive EN pin low to turn off the device, drive it |
|
2 |
VIN |
Supply Voltage Input Pin. HM6297 operates from a 3.6V to 24V |
|
3 |
FB |
Feedback Pin (FB). The feedback threshold voltage is 1.25V. |
|
4 |
NC |
No Connected. |
|
5,6 |
SW |
Power Switch Output Pin (SW). Output is the switch node that |
|
7,8 |
GND |
Ground Pin. |
电路原理图 返回TOP
|
内置MOS DC-DC升压IC |
||||||||||
|
型号 |
工作模式 |
工作电压范围 |
输出电压 |
输出电压形式 |
输出电压精度 |
最大输出电流 |
效率 |
静态电流 |
工作频率 |
封装 |
|
PFM |
0.8V-Vout |
2.2/2.7/2.83.0 /3.3/3.6/4.0/5.0 |
固定输出 |
±2% |
500mA |
85% |
4uA |
350KHz |
SOT-89 SOT23-3L TO-92 |
|
|
PWM |
2.7V-5.5V |
最大22V |
可调输出 |
±2% |
300mA |
88% |
90uA |
1MHz |
SOT-25 |
|
|
PWM PFM |
2.5V-6.0V |
最大28V |
可调输出 |
±2% |
1.5A |
90% |
1uA |
1.2MHz |
SOT-25 |
|
|
PWM PFM |
2.5V-6.0V |
最大12V |
可调输出 |
±2% |
3.5A |
95% |
1uA |
1.2MHz |
SOT-26 |
|
|
PWM PFM |
2.0V-24V |
最大28V |
可调输出 |
±2% |
4A |
97% |
0.1uA |
1.2MHz |
SOT-26 |
|
|
PWM PFM |
2.0V-24V |
最大28V |
可调输出 |
±2% |
3.5A |
97% |
0.1uA |
1.2MHz |
SOT-26 |
|
|
PWM |
2.5V-5V |
最大18V |
可调输出 |
±2% |
4.5A |
90% |
52uA |
400KHz |
SOT-26 |
|
|
PWM |
2.5V-6.5V |
最大8V |
可调输出 |
±2% |
5A |
93% |
100uA |
1.2MHz |
SOT-26 |
|
|
PWM |
2.3-6V |
最大14V |
可调输出 |
±2% |
4A/带限流保护 |
96% |
0.1uA |
1.2MHz |
SOT-26 |
|
|
PWM |
2.3V-6V |
最大26V |
可调输出 |
±2% |
3A/带限流保护 |
96% |
75uA |
1.2MHz |
SOT-23-6 |
|
|
PWM |
2.5V-6.0V |
最大12V |
可调输出 |
±2% |
2A/带限流保护 |
90% |
200uA |
1.2MHz |
SOT-26 |
|
|
PWM PFM |
0.9V-6.0V |
1.5V-12V |
可调输出 |
±2% |
4A |
90% |
0.5uA |
1MHz |
SOT-25 |
|
|
PWM |
2.0V-5.5V |
最大24V |
可调输出 |
±2% |
3A |
90% |
15uA |
400KHz |
SOT-26 |
|
|
PWM |
1.2V-15V |
最大34V |
可调输出 |
±2% |
350mA |
80% |
1uA |
1MHz |
SOT-25 |
|
|
PWM |
0.8V-6V |
最大12V |
可调输出 |
±2% |
2.0A |
90% |
14uA |
500KHz |
SOT-26 |
|
|
PWM |
2.5V-5.5V |
最大10V |
可调输出 |
±2% |
2.2A |
92% |
21uA |
1MHz |
SOT-26 |
|
|
PWM |
2.6V-6.0V |
最大12V |
可调输出 |
±2% |
3.5A |
90% |
170uA |
1MHz |
ESOP-8 |
|
|
PWM |
2.5V-6.0V |
最大9V |
可调输出 |
±2% |
4.5A |
95% |
0.1uA |
1MHz |
ESOP-8 |
|
|
PWM |
2.5V-6.5V |
最大8V |
可调输出 |
±2% |
5.5A |
93% |
100uA |
1.2MHz |
ESOP-8 |
|
|
PWM |
2.7V-6.5V |
最大24V |
可调输出 |
±2% |
12A |
96% |
140uA |
600KHz |
ESOP-8 |
|
|
PWM |
2.3V-6V |
最大14V |
可调输出 |
±2% |
4A |
90% |
75uA |
1.2MHz |
MSOP-8 |
|
|
PWM |
2.3V-6V |
最大26V |
可调输出 |
±2% |
2.8A |
96% |
75uA |
1.2MHz |
SOP-8PP |
|
|
PWM |
1.6V-6V |
最大14V |
可调输出 |
±2% |
4A |
96% |
75uA |
1.2MHz |
SOP-8PP |
|
|
PWM |
3.6V-26V |
最大60V |
可调输出 |
±2% |
2A |
90% |
70uA |
400KHz |
SOP-8 |
|
|
PWM |
3.6V-36V |
最大60V |
可调输出 |
±2% |
3A |
92% |
70uA |
400KHz |
TO252-5L |
|
|
PWM |
5V-45V |
最大60V |
可调输出 |
±2% |
5A |
94% |
70uA |
220KHz |
TO263-5L |
|
