ISL6534 Datasheet, PDF (4/26 Pages) Intersil Corporation – Dual PWM with Linear

ISL6534
Typical Application, DDRAM Controller
VOLTAGE INPUTS REQUIRED
VCC12 (12V)
VCC (5V OR 5.8V FROM SHUNT)
VIN1, VBS1
VIN2, VBS2
VIN3
VOUT1
ISL6534
DDR MODE
VCC
VOLTAGE OUTPUTS
VCC12
VOUT1
VOUT2
OPTIONAL R FOR
SHUNT REGULATOR
VOUT3
VCC
VCC12
VBS1
VCC12
COMP1
FB1
BOOT1
VIN1
UGATE1
VOUT1
VOUT2
VOUT1 (DDR)
VTTREF
VREF
COMP2
LGATE1
FB2
ISL6534
VBS2
VCC12
REFIN
VCC
REFOUT
VREF
PGOOD
FS/SYNC
DDR
SS1/EN1
SS2/EN2
SS3/EN3
GND
BOOT2
UGATE2
LGATE2
DRIVE3
FB3
PGND
VIN2 = VOUT1 (DDR)
OR OTHER
VOUT2
VIN3
VOUT3
NOTE: Not all components are necessary in all applications.
FIGURE 2. TYPICAL APPLICATION, DDRAM CONTROLLER
4
FN9134.1