CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
1. Please refer to the Typical Application Schematics (page 3) for 3.3V/5V input configuration.
2.
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
3.
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.
4. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2
and Typical Application Schematic beginning on page 2. V
CC
= +3.3V. 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.
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PARAMETER
V
CC
SUPPLY
Shutdown Supply Current
Operating Supply Current (Note 5)
REFERENCE VOLTAGE
Nominal Reference Voltage
Reference Voltage Tolerance
SYNC/EN = GND
RT = 64.9k
-
7
20
9.8
50
11.5
µ
A
mA
-
-1.5
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
-1.8
-2.1
0.8
-
-
-
-
1.5
1.8
2.1
V
%
%
%
ERROR AMPLIFIER
Open Loop Voltage Gain (Note 6)
Gain-Bandwidth Product (Note 6)
Slew Rate (Note 5)
CHARGE PUMP
Nominal Charge Pump Output
Charge Pump Output Regulation
POWER-ON RESET
Rising CPVOUT POR Threshold
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
CPVOUT POR Threshold Hysteresis
OSCILLATOR
Gate Output Frequency Range
RT = 200k
RT = 64.9k
RT = 26.1k
Sawtooth Amplitude
Sync. Frequency Range (Note 6)
Minimum Sync Pulse Width (Note 6)
Peak-to-Peak
V
OSC
1.1x the natural switching frequency.
80
250
650
1.1
110
-
100
300
715
1.4
-
40
120
340
770
1.7
770
100
kHz
kHz
kHz
V
kHz
ns
4.20
4.1
0.3
4.35
4.35
0.5
4.5
4.6
0.9
V
V
V
V
CC
= 3.3V, No Load
4.8
-5.0
5.1
-
5.5
5.0
V
%
COMP = 10pF
-
14
4.65
82
-
6.0
-
-
9.2
dB
MHz
V/
µ
s
FN9073 Rev 9.00
Oct 21, 2015
Page 4 of 18
ISL6406
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram” on page 2
and Typical Application Schematic beginning on page 2. V
CC
= +3.3V. 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)
TEST CONDITIONS
MIN
-
TYP
96
MAX
-
UNITS
%
PARAMETER
PWM Maximum Duty Cycle
GATE DRIVER OUTPUT (Note 6)
Upper Gate Source Current
Upper Gate Sink Current
Lower Gate Source Current
Lower Gate Sink Current
SOFT-START
Soft-Start Slew Rate
V
BOOT
- V
PHASE
= 5V, V
UGATE
= 4V
V
VCC
= 3.3V, V
LGATE
= 4V
-
-
-
-
-1
1
-1
2
-
-
-
-
A
A
A
A
f = 300kHz, T
A
= 0°C to +70°C
f = 300kHz, T
A
= -40°C to +85°C
Internal Digital Circuit Clock Count
(Soft-start time varies with frequency)
6.2
6.2
-
6.7
6.7
2048
7.3
7.6
-
ms
ms
Clk Cycles
OVERCURRENT
OCSET Current Source
T
A
= 0°C to +70°C
T
A
= -40°C to +85°C
NOTES:
5. This is the V
CC
current consumed when the device is active but not switching.
6. Limits established by characterization and are not production tested.
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