參數(shù)資料
型號(hào): ISL6545EVAL1
廠商: Intersil Corporation
英文描述: 5V or 12V Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
中文描述: 單5V或12V同步降壓脈寬調(diào)制(PWM)控制器
文件頁(yè)數(shù): 4/16頁(yè)
文件大小: 302K
代理商: ISL6545EVAL1
www.DataSheet4U.com
4
FN6305.3
November 15, 2006
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V
BOOT Voltage, V
BOOT
. . . . . . . . . . . . . . . . . . . .GND - 0.3V to 36V
UGATE Voltage V
UGATE
. . . . . . . .V
PHASE
- 0.3V to V
BOOT
+ 0.3V
LGATE/OCSET Voltage, V
LGATE/OCSET
GND - 0.3V to V
CC
+ 0.3V
PHASE Voltage, V
PHASE
. . . . . . . . . .GND - 0.3V to V
BOOT
+ 0.3V
Upper Driver Supply Voltage, V
BOOT
- V
PHASE
. . . . . . . . . . . . .15V
Clamp Voltage, V
BOOT
- V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . .24V
FB, COMP/SD Voltage. . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to 6V
ESD Classification, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5kV
ESD Classification, MM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150V
ESD Classification, CDM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0kV
Operating Conditions
Supply Voltage, V
CC
. . . . +5V ±10
%
, +12V ±20
%
, or 6.5V to 14.4V
Ambient Temperature Range
ISL6545C, ISL6545AC. . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL6545I, ISL6545AI . . . . . . . . . . . . . . . . . . . . . . .-40°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . .-40°C to +125°C
Thermal Resistance
SOIC Package (Note 1) . . . . . . . . . . . .
DFN Package (Note 3). . . . . . . . . . . . .
Maximum Junction Temperature
(Plastic Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range. . . . . . . . . -65°C to +150°C
Maximum Lead Temperature
(Soldering 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +300°C
(SOIC - Lead Tips Only)
θ
JA
(°C/W)
95
44
θ
JC
(°C/W)
N/A
5.5
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.
NOTES:
1.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
2.
θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air, with “direct attach” features. See
Tech Brief TB379 for details.
3. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
4. Guaranteed by design; not production tested
Electrical Specifications
Test Conditions: V
CC
= 12V, T
J
= 0 to 85°C, Unless Otherwise Noted.
SYMBOL
TEST CONDITIONS
PARAMETER
MIN
TYP
MAX
UNITS
V
CC
SUPPLY CURRENT
Input Bias Supply Current
I
VCC
V
CC
= 12V; disabled
4
5.2
7
mA
POWER-ON RESET
Rising V
CC
POR Threshold
V
CC
POR Threshold Hysteresis
OSCILLATOR
V
POR
3.9
4.1
4.3
V
0.30
0.35
0.40
V
Switching Frequency
f
OSC
ISL6545C
270
300
330
kHz
ISL6545I
240
300
330
kHz
f
OSC
ISL6545AC
540
600
660
kHz
ISL6545AI
510
600
660
kHz
Ramp Amplitude (Note 4)
Δ
V
OSC
1.5
V
P-P
REFERENCE
Reference Voltage Tolerance
ISL6545C
-1.0
-
+1.0
%
ISL6545I
-1.5
-
+1.5
%
Nominal Reference Voltage
V
REF
0.600
V
ERROR AMPLIFIER
DC Gain (Note 4)
GAIN
-
96
-
dB
Gain-Bandwidth Product (Note 4)
GBWP
-
20
-
MHz
Slew Rate (Note 4)
SR
-
9
-
V/
μ
s
GATE DRIVERS
Upper Gate Source Impedance
R
UG-SRCh
R
UG-SNKh
R
LG-SRCh
V
CC
= 14.5V; I = 50mA
V
CC
= 14.5V; I = 50mA
V
CC
= 14.5V; I = 50mA
-
3.0
-
Ω
Upper Gate Sink Impedance
-
2.7
-
Ω
Lower Gate Source Impedance
-
2.4
-
Ω
ISL6545, ISL6545A
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