ISL6261CRZ Intersil, ISL6261CRZ Datasheet - Page 7
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ISL6261CRZ
Manufacturer Part Number
ISL6261CRZ
Description
IC CTRLR BUCK 1PHASE 40-MLFP
Manufacturer
Intersil
Datasheet
1.ISL6261CR7Z.pdf
(34 pages)
Specifications of ISL6261CRZ
Applications
Converter, Intel IMVP-6
Voltage - Input
5 ~ 21 V
Number Of Outputs
1
Voltage - Output
0.3 ~ 1.5 V
Operating Temperature
-10°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
40-VFQFN, 40-VFQFPN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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VSUM
This pin is connected to one terminal of the capacitor in the
current sensing R-C network.
VIN
Power stage input voltage. It is used for input voltage feed
forward to improve the input line transient performance.
VSS
Signal ground. Connect to controller local ground.
VDD
5V control power supply.
BOOT
Upper gate driver supply voltage. An internal bootstrap diode
is connected to the VCCP pin.
UGATE
The upper-side MOSFET gate signal.
PHASE
The phase node. This pin should connect to the source of
upper MOSFET.
VSSP
The return path of the lower gate driver.
LGATE
The lower-side MOSFET gate signal.
VCCP
5V power supply for the gate driver.
7
ISL6261
NC
Not connected. Ground this pin in the practical layout.
VID0, VID1, VID2, VID3, VID4, VID5, VID6
VID input with VID0 as the least significant bit (LSB) and
VID6 as the most significant bit (MSB).
VR_ON
VR enable pin. A logic high signal on this pin enables the
regulator.
DPRSLPVR
Deeper sleep enable signal. A logic high indicates that the
microprocessor is in Deeper Sleep Mode and also indicates
a slow Vo slew rate with 41μA discharging or charging the
SOFT cap.
DPRSTP#
Deeper sleep slow wake up signal. A logic low signal on this
pin indicates that the microprocessor is in Deeper Sleep
Mode.
CLK_EN#
Digital output for system PLL clock. Goes active 20µs after
PGD_IN is active and Vcore is within 10% of boot voltage.
3V3
3.3V supply voltage for CLK_EN#.
PGOOD
Power good open-drain output. Needs to be pulled up
externally by a 680 resistor to VCCP or 1.9k to 3.3V.
September 27, 2006
FN9251.1