ISL6308 Datasheet, PDF (6/27 Pages) Intersil Corporation – Three-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers

ISL6308
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
ERROR AMPLIFIER
DC Gain (Note 3)
Gain-Bandwidth Product (Note 3)
Slew Rate (Note 3)
Maximum Output Voltage
R_L = 10K to ground
C_L = 100pF, R_L = 10K to ground
C_L = 100pF, Load = ±400µA
Load = 1mA
-
96
-
20
-
8
3.90
4.20
-
dB
-
MHz
-
V/µs
-
V
Minimum Output Voltage
Load = -1mA
-
0.85
1.0
V
REMOTE SENSE DIFFERENTIAL AMPLIFIER
Input Bias Current (VSEN)
(VSEN = 1.5V)
49
55
60
µA
Bandwidth (Note 3)
-
20
-
MHz
Slew Rate (Note 3)
-
8
-
V/µs
OVERCURRENT PROTECTION
OCSET trip current
93
100
107
µA
OCSET Accuracy
OC comparator offset (OCSET and ISUM Difference) -5
0
5
mV
ICOMP Offset
ISEN amplifier offset
-5
0
5
mV
PROTECTION
Undervoltage Threshold
VSEN falling
80
82
84 %VID
Undervoltage Hysteresis
VSEN Rising
-
3
-
%VID
Overvoltage Threshold while IC Disabled
1.62
1.67
1.72
V
Overvoltage Threshold
VSEN Rising
DAC + DAC + DAC + V
125mV 150mV 175mV
Overvoltage Hysteresis
VSEN Falling
-
50
-
mV
Open Sense-Line Protection Threshold
IREF Rising and Falling
VDIFF VDIFF + VDIFF V
+ 0.9V
1V
+ 1.1V
OVP Output High Drive Voltage
SWITCHING TIME
I_OVP = 50mA, VCC = 5V
2.2
3.9
V
UGATE Rise Time (Note 3)
LGATE Rise Time (Note 3)
UGATE Fall Time (Note 3)
LGATE Fall Time (Note 3)
UGATE Turn-On Non-overlap (Note 3)
LGATE Turn-On Non-overlap (Note 3)
GATE DRIVE RESISTANCE (Note 3)
t_RUGATE; V_PVCC = 12V, 3nF Load, 10% to 90%
t_RLGATE; V_PVCC = 12V, 3nF Load, 10% to 90%
t_FUGATE; V_PVCC = 12V, 3nF Load, 90% to 10%
t_FLGATE; V_PVCC = 12V, 3nF Load, 90% to 10%
t_PDHUGATE; V_PVCC = 12V, 3nF Load, Adaptive
t_PDHLGATE; V_PVCC = 12V, 3nF Load, Adaptive
-
26
-
ns
-
18
-
ns
-
18
-
ns
-
12
-
ns
-
10
-
ns
-
10
-
ns
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
OVER TEMPERATURE SHUTDOWN
V_PVCC = 12V, 150mA Source Current
V_PVCC = 12V, 150mA Sink Current
V_PVCC = 12V, 150mA Source Current
V_PVCC = 12V, 150mA Sink Current
1.25
2.0
3.0
Ω
0.9
1.6
3.0
Ω
0.85
1.4
2.2
Ω
0.60
0.94
1.35
Ω
Thermal Shutdown Setpoint (Note 3)
-
160
-
°C
Thermal Recovery Setpoint (Note 3)
-
100
-
°C
NOTE:
3. Parameter magnitude guaranteed by design. Not 100% tested.
6
FN9208.2
October 19, 2005