ISL8105B Intersil Corporation, ISL8105B Datasheet - Page 4

• Manufacturer Part Number: ISL8105B
• Description: Single-Phase Synchronous Buck Converter PWM
• Manufacturer: Intersil Corporation

Electrical Specifications
Absolute Maximum Ratings
Bias Voltage, V
Boot Voltage, V
TGATE Voltage, V
BGATE/BSOC Voltage, V
LX Voltage, V
Upper Driver Supply Voltage, V
Clamp Voltage, V
FB, COMP/EN Voltage . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6V
ESD Classification, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5kV
ESD Classification, MM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150V
ESD Classification, CDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0kV
Recommended Operating Conditions
Bias Voltage, V
Ambient Temperature Range
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
CAUTION: Stresses 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 sections of this specification is not implied.
NOTE:
INPUT SUPPLY CURRENTS
Shutdown V
DISABLE
Disable Threshold (COMP/EN pin)
OSCILLATOR
Nominal Frequency Range
Ramp Amplitude (Note 3)
POWER-ON RESET
Rising V
V
REFERENCE
Nominal Reference Voltage
Reference Voltage Tolerance
ERROR AMPLIFIER
DC Gain (Note 3)
Unity Gain-Bandwidth (Note 3)
Slew Rate (Note 3)
GATE DRIVERS
TGATE Source Resistance
TGATE Source Resistance
TGATE Sink Resistance
1. θ
2. For θ
3. Test conditions are guaranteed by design simulation.
BIAS
ISL8105BC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL8105BI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
JA
POR Threshold Hysteresis
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
BIAS
JC
PARAMETER
, the “case temp” location is the center of the exposed metal pad on the package underside.
BIAS
LX
Threshold
BIAS
BIAS
BOOT
. . . . . . . . . . . . . . . . . .GND - 0.3V to V
BOOT
Supply Current
TGATE
. . . . . . . . . . . . . . . . . . . . GND - 0.3V to +15.0V
. . . . . +5V ±10%, +12V ±20%, or 6.5V to 14.4V
. . . . . . . . . . . . . . . . . . . GND - 0.3V to +36.0V
- V
. . . . . . . . . . . V
BGATE/BSOC
BIAS
BOOT
. . . . . . . . . . . . . . . . . . . . . . . . . .24V
4
Recommended Operating Conditions, Unless Otherwise Noted
- V
. .GND - 0.3 to V
R
R
V
SYMBOL
R
I
LX
V
V
GAIN
LX
VBIAS_S
DV
TG-SRCh
DISABLE
UGBW
TG-SNKh
TG-SRCl
F
POR_R
POR_H
V
OSC
SR
REF
- 0.3V to V
. . . . . . . . . . . . . . . .15V
OSC
DC
BOOT
V
ISL8105BC
ISL8105BI
ISL8105BC (0°C to +70°C)
ISL8105BI (-40°C to +85°C)
V
V
V
BOOT
BIAS
BIAS
BIAS
BIAS
BIAS
+ 0.3V
+ 0.3V
+ 0.3V
= 12V; Disabled
= 14.5V, 50mA Source Current
= 4.25V, 50mA Source Current
= 14.5V, 50mA Source Current
ISL8105B
TEST CONDITIONS
Thermal Information
Thermal Resistance (Note 1)
Maximum Junction Temperature
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . +300°C
SOIC Package . . . . . . . . . . . . . . . . . . .
DFN Package (Note 2) . . . . . . . . . . . . .
(Plastic Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
(SOIC - Lead Tips Only)
0.375
MIN
0.30
-1.0
-1.5
270
240
3.9
4
TYP
0.35
300
300
5.2
0.4
1.5
4.1
0.6
3.0
3.5
2.7
96
20
9
θ
JA
(°C/W)
44
95
0.425
MAX
+1.0
+1.5
0.40
330
330
4.3
7
February 13, 2007
θ
JC
N/A
UNITS
FN6447.0
5.5
(°C/W)
V
MHz
V/µs
kHz
kHz
mA
mV
dB
P-P
%
%
Ω
Ω
Ω
V
V
V