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ISL6310 Datasheet, PDF (6/27 Pages) Intersil Corporation – Two-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers
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ISL6310
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
ERROR AMPLIFIER
DC Gain (Note 3)
Gain-Bandwidth Product (Note 3)
Slew Rate (Note 3)
Maximum Output Voltage
RL = 10k to ground
CL = 100pF, RL = 10k to ground
CL = 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 %DAC
Undervoltage Hysteresis
VSEN Rising
-
3
- %DAC
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
IOVP = 15mA, VCC = 5V
2.2
3.4
-
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 4)
tRUGATE; VPVCC = 12V, 3nF Load, 10% to 90%
tRLGATE; VPVCC = 12V, 3nF Load, 10% to 90%
tFUGATE; VPVCC = 12V, 3nF Load, 90% to 10%
tFLGATE; VPVCC = 12V, 3nF Load, 90% to 10%
tPDHUGATE; VPVCC = 12V, 3nF Load, Adaptive
tPDHLGATE; VPVCC = 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
VPVCC = 12V, 150mA Source Current
VPVCC = 12V, 150mA Sink Current
VPVCC = 12V, 150mA Source Current
VPVCC = 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
NOTES:
3. Limits should be considered typical and are not production tested.
4. Limits established by characterization and are not production tested.
6
FN9209.4
August 7, 2008
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