The G5723B consists of a synchronous step-down DC/DC converter and a LDO regulator. The DC/DC converter is operated on current mode architecture. Switching frequency is set at 1.4MHz allowing the use of small surface mount inductor and capacitor. The internal synchronous switches increase efficiency and eliminate the need for external Schottky diode. Orderi.
Buck Converter High Efficiency: Up to 93% Low Quiescent Current: Only 50µA During Op- eration Internal Soft Start Function 1A Output Current 2.5V to 6V Input Voltage Range 1.4MHz Switching Frequency No Schottky Diode Required 100% Duty Cycle in Dropout Operation 0.6V Reference Allows Low Output Voltages <1µA Shutdown Current Current Mode Operation for Excellent Line and Load Transient Response LDO Regulator Dropout voltage typically 0.65V @ IO = 600mA Output current in excess of 600mA Output voltage accuracy ±2% Quiescent current, typically 0.3mA Internal short .
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | G5723 |
Global Mixed-mode Technology |
Synchronous Buck Converter | |
2 | G5725 |
Global Mixed-mode Technology |
1MHz 1A Synchronous Step-Down Regulator | |
3 | G5728 |
Global Mixed-mode Technology |
1MHz 1A Synchronous Step-Down Regulator | |
4 | G5728B |
Global Mixed-mode Technology |
1.4MHz 1A Synchronous Step-Down Regulator | |
5 | G570 |
ETC |
Dual-Slot PCMCIA/CardBus Power Controller | |
6 | G570S4 |
ETC |
Dual-Slot PCMCIA/CardBus Power Controller | |
7 | G570SA |
ETC |
Dual-Slot PCMCIA/CardBus Power Controller | |
8 | G571 |
ETC |
Single-Slot PCMCIA/CardBus Power Controllers | |
9 | G5719 |
Global Mixed-mode Technology |
2A Synchronous Step-Down Regulator | |
10 | G5719B |
Global Mixed-mode Technology |
3A Synchronous Step-Down Regulator | |
11 | G5719C |
Global Mixed-mode Technology |
3A Synchronous Step-Down Regulator | |
12 | G571S1 |
ETC |
Single-Slot PCMCIA/CardBus Power Controllers |