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ISL6505CRZ

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
4
Absolute Maximum Ratings Thermal Information
Supply Voltage, V
5VSB
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.0V
DLA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14.5V
All Other Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+ 7.0V
ESD Classification (Human Body Model) . . . . . . . . . . . . . . . . . .2kV
Recommended Operating Conditions
Supply Voltage, V
5VSB
. . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Lowest 5VSB Supply Voltage Guaranteeing Parameters . . . . +4.5V
Digital Inputs, V
Sx
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to +5.5V
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0
o
C to 70
o
C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0
o
C to 125
o
C
Thermal Resistance (Typical)
JA
(
o
C/W)
JC
(
o
C/W)
SOIC Package (Note 2) . . . . . . . . . . . 65 N/A
QFN Package (Notes 3, 4) . . . . . . . . . 35 5
Maximum Junction Temperature (Plastic Package) . . . . . . . .150
o
C
Maximum Storage Temperature Range . . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
2.
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
3.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
4. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted Refer to Figures 1, 2 and 3
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
VCC SUPPLY CURRENT
Nominal Supply Current I
5VSB
-6- mA
Shutdown Supply Current I
5VSB(OFF)
V
SS
= 0.8V - 4 - mA
POWER-ON RESET, SOFT-START, AND VOLTAGE MONITORS
5VSB Rising POR Threshold 4.0 4.3 4.5 V
5VSB Falling POR Threshold 3.15 3.4 3.55 V
5VSB POR Hysteresis -0.9- V
3V3 Rising Threshold 2.8 2.93 3.0 V
3V3 Falling Threshold 2.65 2.78 2.9 V
3V3 Hysteresis - 150 - mV
5V Rising Threshold 4.25 4.4 4.5 V
5V Falling Threshold 4.0 4.15 4.3 V
5V Hysteresis - 250 - mV
VID_PG Rising Threshold -1.04- V
VID_PG Hysteresis -50- mV
VID_CT Charging Current I
VID_CT
V
VID_CT
= 0V - 10 - A
Soft-Start Current I
SS
-10- A
Soft-Start Shutdown Voltage Threshold V
SD
--0.8V
LINEAR REGULATOR (V
OUT1
; DR1 and FB1 pins)
V
OUT1
Regulation V
OUT1
= 1.2V to 1.5V - - 2.0 %
V
OUT1
Nominal Voltage Level V
OUT1
Based on external resistors - 1.5 - V
V
OUT1
Undervoltage Rising Threshold FB1 pin - 1.2 - V
V
OUT1
Undervoltage Hysteresis FB1 pin - 50 - mV
DR1 Output Drive Current I
DR1
V
3V3DL
= 3.3V - 10 - mA
ISL6505
5
1.2V
VID
LINEAR REGULATOR (V
OUT2
)
1V2VID Regulation --2.0%
1V2VID Nominal Voltage Level V
1V2VID
-1.2- V
1V2VID Undervoltage Rising Threshold -0.92- V
1V2VID Undervoltage Hysteresis - 100 - mV
1V2VID Output Current I
1V2VID
V
3V3
= 3.3V - - 180 mA
3.3V
DUAL
/3.3V
SB
LINEAR REGULATOR (V
OUT3
)
3V3DL Sleep State Regulation --2.0%
3V3DL Nominal Voltage Level V
3V3DL
-3.3- V
3V3DL Undervoltage Rising Threshold -2.62- V
3V3DL Undervoltage Hysteresis - 150 - mV
3V3DLSB Output Drive Current I
3V3DLSB
V
5VSB
= 5V 30 50 - mA
5V
DUAL
SWITCH CONTROLLER (V
OUT4
)
5VDL Undervoltage Rising Threshold -4.10- V
5VDL Undervoltage Hysteresis - 120 - mV
5VDLSB Output Drive Current I
5VDLSB
V
5VDLSB
= 4V
,
V
5VSB
= 5V -20 - -40 mA
TIMING INTERVALS
Active State Assessment Past Input UV
Thresholds (Note 5)
42 53 64 ms
Active-to-Sleep Control Input Delay - 200 - s
Falling UV Threshold Timeout (All Monitors) - 10 - s
CONTROL I/O (S3
, S5, EN5, LAN, FAULT)
High Level Input Threshold S3, S5, EN5, LAN - - 2.2 V
Low Level Input Threshold S3
, S5, EN5, LAN 0.8 - - V
Internal Pull-up Current to 5VSB S3
, S5 to GND - 50 - A
Internal Pull-up Current to 5VSB EN5, LAN to GND - 10 - A
Input Leakage Current to 5VSB EN5, LAN to 5VSB - - 10 mA
FAULT Current IOH (to 5VSB) FAULT = 4.6V, 5VSB = 5V - -7.5 - mA
FAULT Current IOL (to GND) FAULT = 0.4V, 5VSB = 5V - 0.75 - mA
TEMPERATURE MONITOR
Fault-Level Threshold (Note 6) 125 - -
o
C
Shutdown-Level Threshold (Note 6) - 155 -
o
C
NOTES:
5. Guaranteed by Correlation.
6. Guaranteed by Design.
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted Refer to Figures 1, 2 and 3 (Continued)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
ISL6505
6
Functional Pin Description (Pin numbers for SOIC and QFN)
3V3 (Pin 6 SOIC; Pin 3 QFN)
Connect this pin to the ATX 3.3V output. This pin provides
the output current for the 1V2VID pin, and is monitored for
power quality.
5V (Pin 7 SOIC; Pin 4 QFN)
Connect this pin to the ATX 5V output. This pin is only
monitored for power quality.
5VSB (Pin 20 SOIC; Pin 17 QFN)
Provide a very well de-coupled 5V bias supply for the IC to
this pin by connecting it to the ATX 5V
SB
output. This pin
provides all the chip’s bias as well as the base current for Q2
(see typical application diagram). The voltage at this pin is
monitored for power-on reset (POR) purposes.
GND (Pin 11 SOIC; Pin 8 QFN)
Signal ground for the IC. All voltage levels are measured
with respect to this pin.
S3 and S5 (Pins 9, 10 SOIC; Pins 6, 7 QFN)
These pins switch the IC’s operating state from active (S0,
S1/S2) to S3 and S4/S5 sleep states. These are digital
inputs featuring internal 50µA (typical) current source pull-
ups to 5VSB. Internal circuitry de-glitches these pins for
disturbances lasting as long as 2s (typically). Additional
circuitry blocks illegal state transitions (such as S4/S5 to S3),
but does allow S3 to S4/S5. Connect S3
and S5
respectively to the computer system’s SLP_S3
and SLP_S5
signals.
EN5 (Pin 8 SOIC; Pin 5 QFN)
This digital input selects whether the 5VDL output stays up
or shuts down during the S5 Sleep Mode. It has a 10µA
typical pull-up current source. A logic high (5V) or open will
keep the 5VDL on during S5; a logic low (GND) will shut it off
during S5. NOTE: This pin should be tied low or high (or
open) on the board; it was not designed to be changed
during normal operation.
LAN (Pin 16 SOIC; Pin 13 QFN)
This digital input selects between two modes for the V
OUT1
regulator. It has a 10µA pull-up current source. A logic high
(5V) or open selects the 10/100 LAN mode, where V
OUT1
stays on all of the time (active and sleep modes). A logic low
(GND) selects the Gigabit Ethernet mode, where V
OUT1
is
only on during active (S0, S1) modes. Note that this
selection is independent of the voltage selection of V
OUT1
(which is determined by the external resistor divider). NOTE:
This pin should be tied low or high (or open) on the board; it
was not designed to be changed during normal operation.
FAULT (Pin 12 SOIC; Pin 9 QFN)
This digital output pin is used to report the fault condition by
being pulled to 5VSB (pulled to GND if no fault). It is a
CMOS digital output; an external pull-down resistor is NOT
required. In case of an undervoltage on any of the controlled
outputs, on any of the monitored ATX voltages (3V3 or 5V;
not 12V), or in case of an overtemperature event, this pin is
used to report the fault condition.
Pinouts
ISL6505 (20 LEAD WIDE SOIC)
TOP VIEW
ISL6505 (5X5 QFN)
TOP VIEW
NOTE: The QFN bottom pad is electrically connected to the IC
substrate, at GND potential. It can be left unconnected, or connected
to GND; do NOT connect to another potential.
11
12
13
14
15
16
17
18
20
19
10
9
8
7
6
5
4
3
2
1
FB1
DR1
3V3DLSB
3V3DL
1V2VID
3V3
EN5
5V
S3
S5
5VSB
VID_PG
SS
LAN
VID_CT
5VDL
5VDLSB
DLA
FAULT
GND
3V3DLSB
3V3DL
5V
1V2VID
3V3
DR1
FB1
FAULT
5VDL
5VDLSB
5VSB
S3
DLA
EN5
S5
GND
SS
VID_CT
LAN
VID_PG
1
2
3
4
5
678910
15
14
13
12
11
20 19 18 17 16
ISL6505
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

ISL6505CRZ

Mfr. #:
Buy ISL6505CRZ
Manufacturer:
Renesas / Intersil
Description:
Switching Controllers VER OF ISL6505CR
Lifecycle:
New from this manufacturer.
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