ISL6267 Datasheet, PDF (12/33 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion Mobile CPUs

ISL6267
Electrical Specifications Operating Conditions: V_DD = 5V, T_A = -10°C to +100°C, f_SW = 300kHz, unless otherwise noted.
Boldface limits apply over the operating temperature range, -10°C to +100°C. (Continued)
PARAMETER
SYMBOL
ISEN
Imbalance Voltage
Input Bias Current
POWER-GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
PGOOD Leakage Current
PGOOD Delay
GATE DRIVER
V_OL
I_OH
t_PGD
UGATE Pull-Up Resistance
UGATE Source Current
UGATE Sink Resistance
UGATE Sink Current
LGATE Pull-Up Resistance
LGATE Source Current
LGATE Sink Resistance
LGATE Sink Current
UGATE to LGATE Deadtime
LGATE to UGATE Deadtime
BOOTSTRAP DIODE
R_UGPU
I_UGSRC
R_UGPD
I_UGSNK
R_LGPU
I_LGSRC
R_LGPD
I_LGSNK
t_UGFLGR
t_LGFUGR
Forward Voltage
V_F
Reverse Leakage
I_R
PROTECTION
Overvoltage Threshold
Severe Overvoltage Threshold
Undervoltage Threshold
Current Imbalance Threshold
OV_H
OV_HS
OV_H
Core OCP Current Threshold
Northbridge OCP Current Threshold
LOGIC THRESHOLDS
ENABLE Input Low
V_IL
ENABLE Input High
V_IH
PWM
PWM Output Low
V_0L
PWM Output High
V_0H
PWM Tri-State Leakage
THERMAL MONITOR
NTC Source Current
NTC_NB Source Current
Thermal Monitor Trip Voltage
Thermal Monitor Reset Voltage
TEST CONDITIONS
Maximum of ISENs - Minimum of ISENs
I_PGOOD = 4mA
PGOOD = 3.3V
200mA Source Current
UGATE - PHASE = 2.5V
250mA Sink Current
UGATE - PHASE = 2.5V
250mA Source Current
LGATE - VSSP = 2.5V
250mA Sink Current
LGATE - VSSP = 2.5V
UGATE falling to LGATE rising, no load
LGATE falling to UGATE rising, no load
PVCC = 5V, I_F = 2mA
V_R = 25V
VSEN rising above setpoint for >1ms
V_O rising above threshold > 0.5µs
VSEN falls below setpoint for >1ms
One ISEN above another ISEN for >1.2ms
3-Phase CCM, 2-Phase CCM, 1-Phase
3-Phase DE
2-Phase DE
2-Phase CCM, 1-Phase
2-Phase DE
Sinking 5mA
Sourcing 5mA
PWM = 2.5V
NTC = 1.3V
NTC_NB = 1.3V
Falling Threshold
Rising Threshold
MIN
MAX
(Note 6) TYP (Note 6) UNITS
1
mV
20
nA
0.26
0.4
V
-1
1
µA
460
µs
1.0
1.5
Ω
2.0
A
1.0
1.5
Ω
2.0
A
1.0
1.5
Ω
2.0
A
0.5
0.9
Ω
4.0
A
23
ns
28
ns
0.58
V
0.2
µA
200
270
330
mV
1.800
V
260
330
400
mV
9
mV
50
60
70
μA
16
20
24
μA
24
30
36
μA
50
60
70
μA
24
30
36
μA
0.3
V
0.7
V
1.0
V
3.5
V
2
µA
57
67
µA
57
67
µA
0.87
0.88
0.89
V
0.91
0.92
0.93
V
12
January 31, 2011
FN7801.0