ISL6353_14 Datasheet, PDF (10/30 Pages) Intersil Corporation – Multiphase PWM Regulator for VR12 DDR Memory Systems

ISL6353
Electrical Specifications Operating Conditions: V_DD = 5V, T_A = 0°C to +70°C for ISL6353CRTZ and T_A = -40°C to +85°C for ISL6353IRTZ,
f_SW = 300kHz, unless otherwise noted. Boldface limits apply over the operating temperature range. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
Way Overcurrent Threshold
CRTZ
3/2/1-Phase Config, PS0
76.8 88 100 µA
IRTZ
3/2/1-Phase Config, PS0
74
88 100 µA
CRTZ
3-Phase Config, PS1 - Drop to 2-Phase
52
60
68 µA
IRTZ
3-Phase Config, PS1 - Drop to 2-Phase
50
60
68 µA
CRTZ
3-Phase Config, PS1/2 - Drop to 1-Phase
28
32 35.8 µA
IRTZ
3-Phase Config, PS1/2 - Drop to 1-Phase
27
32 35.8 µA
CRTZ
2-Phase Config, PS1/2 - Drop to 1-Phase
40
46
52 µA
IRTZ
2-Phase Config, PS1/2 - Drop to 1-Phase
39.5 46
52 µA
Current Imbalance Threshold
One ISEN above another ISEN for >1.2ms
20
mV
PWM
PWM3 Output Low
PWM3 Output High
PWM3 Tri-State Leakage
V_{OL_MAX}
V_{OH_MIN}
Sinking 5mA
Sourcing 5mA
PWM3 = 2.5V
1.0 V
3.5
V
2
µA
THERMAL MONITOR
NTC Source Current
CRTZ
NTC = 1.3V
58
60
62 µA
IRTZ
NTC = 1.3V
56
60
62 µA
VR_HOT# Trip Voltage
Falling
0.895 0.91
V
VR_HOT# Reset Voltage
Rising
0.95 0.965 V
ALERT# Trip Voltage
Falling
0.915 0.93
V
ALERT# Reset Voltage
Rising
0.97 0.985 V
CURRENT MONITOR
IMON Output Current
I_IMON
ISUM- pin current = 50µA
ISUM- pin current = 2µA
12.3 12.45 12.6 µA
400 500 600 nA
IccMAX Alert Trip Voltage
IccMAX Alert Reset Voltage
V_IMONMAX
Rising
Falling
1.2 1.225 V
1.05 1.14
V
INPUTS
VR_ON Input Low
VR_ON Input High
VR_ON Leakage Current
V_{IL_MAX}
V_{IH_MIN}
I_{VR_ON}
VR_ON = 0V
VR_ON = 1V, 300kΩ Typical Pull-Down
0.3 V
0.8
V
-1
0
µA
3.3
µA
VSET1/2 Input Low
VSET1/2 Input High
PSI Sink/Source Current
VSET_{IL_MAX}
VSET_{IH_MIN}
PSI Voltage
1.5 V
3.1
V
12
16
20 µA
PSI Pin State
PSI High-Z Voltage
PS0, V_DD = 5V
PS1, V_DD = 5V
PS2, V_DD = 5V
0
0.51 V
1.06
3.91 V
4.47
5
V
2.12 2.37 2.60 V
SCLK, SDA
SCLK, SDA Leakage
VR_ON = 0V, SCLK & SDA = 0V & 1V
-1
1
µA
VR_ON = 1V, SCLK & SDA = 1V
-5
1
µA
VR_ON = 1V, SDA = 0V
20
µA
VR_ON = 1V, SCLK = 0V
40
µA
NOTE:
6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
10
September 15, 2011
FN6897.0