ISL62882HRTZ Intersil, ISL62882HRTZ Datasheet - Page 14

• Manufacturer Part Number: ISL62882HRTZ
• Description: IC REG PWM 2PHASE BUCK 40TQFN
• Manufacturer: Intersil

Specifications of ISL62882HRTZ

• Applications: Controller, Intel IMVP-6.5™
• Voltage - Input: 5 V ~ 25 V
• Number Of Outputs: 1
• Voltage - Output: 0.0125 V ~ 1.5 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: *
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

voltage set by the VID pins. The slew rate is 5mV/µs
when there is DPRSLPVR = 0, and is doubled when there
is DPRSLPVR = 1. Once the output voltage is within 10%
of the target voltage for 13 PWM cycles (43µs for
frequency = 300kHz), CLK_EN# is pulled low. PGOOD is
asserted high in approximately 7ms. Similar results occur
if VR_ON is tied to V
starting 120µs after V
Voltage Regulation and Load Line
Implementation
After the start sequence, the ISL62882 regulates the
output voltage to the value set by the VID inputs per
Table 1. The ISL62882 will control the no-load output
voltage to an accuracy of ±0.5% over the range of
0.75V to 1.5V. A differential amplifier allows voltage
sensing for precise voltage regulation at the
microprocessor die.
FIGURE 10. SOFT-START WAVEFORMS FOR CPU VR
FIGURE 11. SOFT-START WAVEFORMS FOR GPU VR
CLK_EN#
CLK_EN#
VID6 VID5 VID4 VID3 VID2 VID1 VID0
PGOOD
PGOOD
VR_ON
VR_ON
0
0
0
0
0
0
VDD
DAC
DAC
VDD
0
0
0
0
0
0
APPLICATION
APPLICATION
120µs
800µs
0
0
0
0
0
0
TABLE 1. VID TABLE
SLEW
RATE
DD
13 SWITCHING
2.5mV/µs
DD
90%
, with the soft-start sequence
0
0
0
0
0
0
crosses the POR threshold.
CYCLES
14
13 SWITCHING
VID COMMAND
VOLTAGE
90%
CYCLES
0
0
0
0
1
1
5mV/µs
Vboot
~7ms
0
0
1
1
0
0
COMMAND
VOLTAGE
~7ms
ISL62882, ISL62882B
VID
0
1
0
1
0
1
1.5000
1.4875
1.4750
1.4625
1.4500
1.4375
(V)
V
O
VID6 VID5 VID4 VID3 VID2 VID1 VID0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TABLE 1. VID TABLE (Continued)
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
FN6890.3
1.4250
1.4125
1.4000
1.3875
1.3750
1.3625
1.3500
1.3375
1.3250
1.3125
1.3000
1.2875
1.2750
1.2625
1.2500
1.2375
1.2250
1.2125
1.2000
1.1875
1.1750
1.1625
1.1500
1.1375
1.1250
1.1125
1.1000
1.0875
1.0750
1.0625
1.0500
1.0375
1.0250
1.0125
1.0000
0.9875
0.9750
0.9625
0.9500
0.9375
0.9250
0.9125
0.9000
(V)
V
O