MAX1846, MAX1847 High-Efficiency, Current-Mode, Inverting PWM Controller

MAX1846 MAX1847 high-efficiency PWM inverting controllers allow designers to implement compact, low-noise, negative-output DC-DC Converters for telecom and networking applications. Both devices operate from +3V to +16.5V input and generate -500mV to -200V output. To minimize switching noise, both devices feature a current-mode, constant-frequency PWM control scheme. The operating frequency CAN be set from 100kHz to 500kHz through a resistor.
The MAX1846 is available in an ultra-compact 10-pin MAX package. Operation at high frequency, compatibility with ceramic capacitors, and inverting topology without transformers allow for a compact design. Compatibility with electrolytic capacitors and flexibility to operate down to 100kHz allow users to minimize the cost of external components. The high-current output drivers are designed to drive a P-Channel MOSFET and allow the converter to deliver up to 30W.
The MAX1847 features Clock synchronization and shutdown functions. The MAX1847 CAN also be configured to operate as an inverting flyback controller with an N-Channel MOSFET and a transformer to deliver up to 70W. The MAX1847 is available in a 16-pin QSOP package.
Current-mode control simplifies compensation and provides good transient response. Accurate current-mode control and over current protection are achieved through low-side current sensing.
By Maxim Integrated Products
MAX1846 's PackagesMAX1846 's pdf datasheet
MAX1846EUB uMAX
MAX1846EUB-T uMAX
MAX1846EUBT uMAX




MAX1846 Pinout, Pinouts
MAX1846 pinout,Pin out
This is one package pinout of MAX1846,If you need more pinouts please download MAX1846's pdf datasheet.

MAX1846 Application circuits
MAX1846 circuits
This is one application circuit of MAX1846,If you need more circuits,please download MAX1846's pdf datasheet.


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