ISL6545 INTERSIL [Intersil Corporation], ISL6545 Datasheet - Page 4

• Manufacturer Part Number: ISL6545
• Description: 5V or 12V Single Synchronous Buck Pulse-Width Modulation PWM Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Absolute Maximum Ratings
Supply Voltage, V
BOOT Voltage, V
UGATE Voltage V
LGATE/OCSET Voltage, V
PHASE Voltage, V
Upper Driver Supply Voltage, V
Clamp Voltage, V
FB, COMP/SD Voltage. . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6V
ESD Rating
Operating Conditions
Supply Voltage, V
Ambient Temperature Range
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
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:
Electrical Specifications
V
Input Bias Supply Current
POWER-ON RESET
Rising V
V
OSCILLATOR
Switching Frequency
Ramp Amplitude (Note 4)
REFERENCE
Reference Voltage Tolerance
Nominal Reference Voltage
ERROR AMPLIFIER
DC Gain (Note 4)
Gain-Bandwidth Product (Note 4)
Slew Rate (Note 4)
GATE DRIVERS
Upper Gate Source Impedance
1. θ
2. θ
3. For θ
4. Limits should be considered typical and are not production tested.
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150V
Charged Device Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0kV
ISL6545C, ISL6545AC . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL6545I, ISL6545AI . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
CC
CC
Tech Brief TB379 for details.
JA
JA
SUPPLY CURRENT
POR Threshold Hysteresis
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
is measured with the component mounted on a high effective thermal conductivity test board in free air, with “direct attach” features. See
CC
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
POR Threshold
PARAMETER
BOOT
BOOT
CC
UGATE
CC
PHASE
. . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V
. . . . +5V ±10%, +12V ±20%, or 6.5V to 14.4V
- V
. . . . . . . . . . . . . . . . . . . . GND - 0.3V to 36V
. . . . . . . . V
LGATE/OCSET
. . . . . . . . . .GND - 0.3V to V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . .24V
BOOT
4
Test Conditions: V
are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and
are not production tested.
PHASE
- V
PHASE
GND - 0.3V to V
R
SYMBOL
- 0.3V to V
ΔV
UG-SRCh
GBWP
V
V
GAIN
I
f
f
VCC
OSC
OSC
POR
SR
REF
OSC
. . . . . . . . . . . . .15V
CC
BOOT
BOOT
V
ISL6545C
ISL6545I
ISL6545AC
ISL6545AI
ISL6545C
ISL6545I
V
= 12V, T
CC
CC
CC
ISL6545, ISL6545A
= 12V; disabled
= 14.5V; I = 50mA
+ 0.3V
+ 0.3V
+ 0.3V
J
= 0 to +85°C, Unless Otherwise Noted. Parameters with MIN and/or MAX limits
TEST CONDITIONS
Thermal Information
Thermal Resistance
Maximum Junction Temperature
(Plastic Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . -65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
SOIC Package (Note 1) . . . . . . . . . . . .
DFN Package (Notes 2, 3) . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
0.30
MIN
270
240
540
510
-1.0
-1.5
3.9
4
0.600
TYP
0.35
300
300
600
600
5.2
4.1
1.5
3.0
96
20
9
-
-
θ
JA
(°C/W)
95
44
MAX
0.40
+1.0
+1.5
330
330
660
660
4.3
7
θ
April 29, 2010
JC
UNITS
V
MHz
V/µs
kHz
kHz
kHz
kHz
N/A
mA
FN6305.5
5.5
dB
(°C/W)
P-P
%
%
V
Ω
V
V