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| ISL6323B Datasheet, PDF (8/35 Pages) Intersil Corporation – Monolithic Dual PWM Hybrid Controller Powering AMD SVI Split-Plane and PVI Uniplane Processors | |||
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ISL6323B
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Specified. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
Core Undervoltage Threshold
VSEN Falling
VDAC VDAC VDAC
-325mV -300mV -270mV
NB Undervoltage Threshold
ISEN_NB+ falling
VDAC VDAC VDAC
-310mV -275mV -235mV
Power Good Hysteresis
50
mV
OVERVOLTAGE PROTECTION
OVP Trip Level
1.73
1.80
1.84
V
OVP Lower Gate Release Threshold
350
400
mV
SWITCHING TIME (Note 3) [See âTiming Diagramâ on page 9]
UGATE Rise Time
tRUGATE; VPVCC = 12V, 3nF Load, 10% to
90%
26
ns
LGATE Rise Time
tRLGATE; VPVCC = 12V, 3nF Load, 10% to
90%
18
ns
UGATE Fall Time
tFUGATE; VPVCC = 12V, 3nF Load, 90% to
10%
18
ns
LGATE Fall Time
UGATE Turn-On Non-overlap
tFLGATE; VPVCC = 12V, 3nF Load, 90% to 10%
12
ns
tPDHUGATE; VPVCC = 12V, 3nF Load,
Adaptive
10
ns
LGATE Turn-On Non-overlap
tPDHLGATE; VPVCC = 12V, 3nF Load, Adaptive
10
ns
GATE DRIVE RESISTANCE (Note 3)
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
MODE SELECTION
VPVCC = 12V, 15mA Source Current
VPVCC = 12V, 15mA Sink Current
VPVCC = 12V, 15mA Source Current
VPVCC = 12V, 15mA Sink Current
2.0
Ω
1.65
Ω
1.25
Ω
0.80
Ω
VID1/SEL Input Low
EN taken from LO to HI, VDDIO = 1.5V
0.6
V
VID1/SEL Input High
EN taken from LO to HI, VDDIO = 1.5V
1.00
V
PVI INTERFACE
VIDx Pull-down
VDDIO = 1.5V
30
40
µA
VIDx Input Low
VDDIO = 1.5V
0.6
V
VIDx Input High
VDDIO = 1.5V
1.00
V
SVI INTERFACE
SVC, SVD Input HIGH (VIH)
0.95
V
SVC, SVD Input LOW (VIL)
0.4
V
Schmitt Trigger Input Hysteresis
0.14
0.35
0.45
V
SVD Low Level Output Voltage
3mA Sink Current
0.285
V
Maximum SVC, SVD Leakage (Note 3)
±5
µA
8
FN6879.0
March 23, 2009
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