ISL6315 Datasheet, PDF (4/20 Pages) Intersil Corporation – Two-Phase Multiphase Buck PWM Controller with Integrated MOSFET Drivers

ISL6315
Absolute Maximum Ratings
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . -0.3V to +6.25V
Absolute Boot Voltage, V_BOOT . . . . . PGND - 0.3V to PGND + 27V
Phase Voltage, V_PHASE . . . . . . . . . . V_BOOT - 7V to V_BOOT + 0.3V
Upper Gate Voltage, V_UGATE . . . . V_PHASE - 0.3V to V_BOOT + 0.3V
Lower Gate Voltage, V_LGATE. . . . . . . . PGND - 0.3V to VCC + 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . HBM Class 1 JEDEC STD
Thermal Information
Thermal Resistance
θ_JA (°C/W) θ_JC (°C/W)
QFN Package (Notes 1, 2). . . . . . . . . .
45
7.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
Recommended Operating Conditions
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
CAUTION: Stress above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational section of this specification is not implied.
NOTES:
1. θ_JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For θ_JC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications Test Conditions: V_CC = 5V, T_J = 0°C to 85°C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
I_VCC; ENLL = high
-
VCC POR (Power-On Reset) Threshold
VCC Rising
4.2
VCC Falling
3.7
PVCC POR (Power-On Reset) Threshold
PVCC Rising
-
PVCC Falling
-
Switching Frequency (per channel)
T_J = 25°C to 85°C
189
T_J = -40°C
166
Oscillator Ramp Amplitude
V_P-P
-
Maximum Duty Cycle (Note 3)
-
CONTROL THRESHOLDS
ENLL Rising Threshold
-
ENLL Falling Threshold
-
REFERENCE AND DAC
System Accuracy
-1
T_J = -40°C to 85°C
-1.5
DAC Input Low Voltage
-
DAC Input High Voltage
0.8
DAC Input Pull-Up Current
VIDx = 0V
-
ERROR AMPLIFIER
DC Gain (Note 3)
R_L = 10K to ground
-
Gain-Bandwidth Product (Note 3)
C_L = 100pF, R_L = 10K to ground
-
Slew Rate (Note 3)
C_L = 100pF, Load = ±400µA
-
Maximum Output Voltage
Load = 1mA
3.90
Minimum Output Voltage
Load = -1mA
-
OVERCURRENT PROTECTION
Overcurrent Trip Level
72
TYP
4
4.4
3.9
4.3
3.3
222
205
1.33
67
0.645
0.567
-
-
-
-
45
96
20
8
4.20
0.80
95
MAX UNITS
6
mA
4.6
V
4.1
V
-
V
-
V
255 kHz
241 kHz
-
V
-
%
-
V
-
mV
1
%
1.5
%
0.4
V
-
V
-
µA
-
dB
-
MHz
-
V/µs
-
V
0.90
V
115
µA
4
FN9222.0
February 10, 2006