ISL6398 Datasheet, PDF (13/57 Pages) Intersil Corporation – Programmable soft-start rate and DVID rate

ISL6398
Electrical Specifications Recommended Operating Conditions, V_CC = 5V, Unless Otherwise specified. Boldface limits apply across the
operating temperature range. (Continued)
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 7) TYP (Note 7) UNITS
Prior to the End of Soft-start (D8h[4:3] = 0h)
1.51 1.58 1.70
V
Prior to the End of Soft-start (D8h[4:3] = 1h)
1.75 1.86 1.95
V
Prior to the End of Soft-start (D8h[4:3] = 2h)
2.20 2.29 2.40
V
Prior to the End of Soft-start (D8h[4:3] = 3h)
3.10 3.32 3.50
V
End of Soft-start, the voltage above VID D8[2:0] = 0h)
91 135 177 mV
Overvoltage Protection Threshold (OVP)
Can Be Disabled by DFh
End of Soft-start, the voltage above VID D8[2:0] = 1h)
End of Soft-start, the voltage above VID D8[2:0] = 2h)
125 177 225 mV
158 218 274 mV
End of Soft-start, the voltage above VID D8[2:0] = 3h)
191 260 323 mV
End of Soft-start, the voltage above VID D8[2:0] = 4h)
254 342 424 mV
End of Soft-start, the voltage above VID D8[2:0] = 5h)
318 425 526 mV
End of Soft-start, the voltage above VID D8[2:0] = 6h)
347 460 580 mV
End of Soft-start, the voltage above VID D8[2:0] = 7h)
395 549 697 mV
Overvoltage Protection Reset Hysteresis
Prior to the end of Soft-start, lower than OVP
During operation, lower than OVP
55 110 180 mV
-
83
-
mV
End of Soft-start, the voltage above VID D8[2:0] = 0h)
22
54
83
mV
End of Soft-start, the voltage above VID D8[2:0] = 1h)
60
96 129 mV
End of Soft-start, the voltage above VID D8[2:0] = 2h)
97 138 176 mV
Overvoltage Warning Threshold (OVP)
Can Be Disabled by DFh
End of Soft-start, the voltage above VID D8[2:0] = 3h)
End of soft-start, the voltage above VID D8[2:0] = 4h)
132 179 225 mV
205 264 324 mV
End of soft-start, the voltage above VID D8[2:0] = 5h)
273 347 427 mV
End of soft-start, the voltage above VID D8[2:0] = 6h)
308 389 476 mV
End of soft-start, the voltage above VID D8[2:0] = 7h)
377 474 578 mV
Overvoltage Warning Reset Hysteresis
SMBus/PMBus/I²C
Lower than OVP Warning
-
42
-
mV
Signal Input Low Voltage
-
-
0.8
V
Signal Input High Voltage
2.1
-
VCC
V
Signal Output Low Voltage
4mA loading on Alert#
-
-
0.4
V
ALERT# Pull-down Impedance
-
28
50
Ω
DATA Pull-down Impedance
-
28
50
Ω
CLOCK Maximum Speed
1.5
-
-
MHz
CLOCK Minimum Speed
-
-
0.05 MHz
Time-out
25
30
35
ms
EEPROM
Number of NVM_BANK
-
8
-
NVM_BANK Loading Time
Including POR delay and Resistor Reading Time
-
16
20
ms
NOTES:
6. These parts are designed and adjusted for accuracy with all errors in the voltage loop included.
7. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
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August 13, 2015