ISL95870
ISL95870 is PWM DC/DC Controller manufactured by Renesas.
Features
- Input Voltage Range: 3.3V to 25V
- Output Voltage Range: 0.5V to 5V
- Precision Regulation
- Proprietary R4™ Frequency Control Loop
- ±0.5% System Accuracy Over -10°C to +100°C
- Optimal Transient Response
- Intersil’s R4™ Modulator Technology
- Output Remote Sense
- Extremely Flexible Output Voltage Programmability
- 2-Bit VID Selects Four Independent Setpoint Voltages for ISL95870B
- 2-Bit VID Selects Four Dependent or Three Independent Setpoint Voltages for ISL95870A
- Simple Resistor Programming of Setpoint Voltages
- Selectable 300k Hz, 500k Hz, 600k Hz or 1MHz PWM Frequency in Continuous Conduction
- Automatic Diode Emulation Mode for Highest Efficiency
- Power-Good Monitor for Soft-Start and Fault Detection
Applications
- Mobile PC Graphical Processing Unit VCC Rail
- Mobile PC I/O Controller Hub (ICH) VCC Rail
- Mobile PC Memory Controller Hub (GMCH) VCC Rail
+5V
RVCC
CPVCC
CVCC
16 PGND LGATE 15 PVCC 14 VCC 13
RPGOOD
RTN1 RFB1
GPIO
1 GND 2 RTN
3 EN 4 SREF
BOOT 12 UGATE 11 PHASE 10 PGOOD 9
CBOOT
QHS QLS
LO CSEN
VIN 3.3V TO 25V
VOUT 0.5V TO 5V
CO RTN1
ROCSET
ROFS1 CSOFT 5 FSEL 6 FB 7 OCSET 8...
