參數(shù)資料
型號： ISL6431IB
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Advanced Pulse-Width Modulation (PWM) Controller for Home Gateways
中文描述： SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PDSO8
封裝： PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 3/10頁
文件大?。?/td> 187K
代理商： ISL6431IB
3
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
Absolute Boot Voltage, V
BOOT
. . . . . . . . . . . . . . . . . . . . . . . +15.0V
Upper Driver Supply Voltage, V
BOOT
- V
PHASE
. . . . . . . . . . . +6.0V
Input, Output or I/O Voltage . . . . . . . . . . . GND -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 2
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Junction Temperature Range. . . . . . . . . . . . . . . . . . -40
o
C to 125
o
C
Thermal Resistance (Typical, Note 1)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
θ
JA
(
o
C/W)
100
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:
1.
θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted V
CC
= 5.0V
±
5% and T
A
= 25
o
C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
I
VCC
ISL6431CB; UGATE and LGATE Open
-
3.2
-
mA
ISL6431IB; UGATE and LGATE Open
2.5
3.2
3.8
mA
POWER-ON RESET
Rising VCC POR Threshold
POR
ISL6431CB
-
4.30
-
V
ISL6431IB
4.17
4.30
4.50
V
VCC POR Threshold
Hysteresis
ISL6431CB
-
0.20
-
V
ISL6431IB
0.01
0.20
0.85
V
OSCILLATOR
Frequency
f
OSC
ISL6431CB; VCC = 5V
-
300
-
kHz
ISL6431IB; VCC = 5V
230
300
340
kHz
Ramp Amplitude
V
OSC
ISL6431CB
-
1.5
-
V
P-P
V
P-P
ISL6431IB
-
1.5
-
REFERENCE
Reference Voltage Tolerance
ISL6431CB
-
-
1.5
%
ISL6431IB
-
-
1.5
%
Nominal Reference Voltage
V
REF
ISL6431CB
-
0.800
-
V
ISL6431IB
-
0.800
-
V
ERROR AMPLIFIER
DC Gain
ISL6431CB
-
82
-
dB
ISL6431IB
-
82
-
dB
Gain-Bandwidth Product
GBWP
ISL6431CB
14
-
-
MHz
ISL6431IB
14
-
-
MHz
Slew Rate
SR
ISL6431CB; COMP = 10pF
-
8.0
-
V/
μ
s
V/
μ
s
ISL6431IB; COMP = 10pF
4.5
8.0
9.2
GATE DRIVERS
Upper Gate Source Current
I
UGATE-SRC
ISL6431CB; V
BOOT
- V
PHASE
= 5V, V
UGATE
= 4V
ISL6431IB; V
BOOT
- V
PHASE
= 5V, V
UGATE
= 4V
ISL6431CB
-
1.0
-
A
-
1.0
-
A
Upper Gate Sink Current
I
UGATE-SNK
-
1.0
-
A
ISL6431IB
-
1.0
-
A
Lower Gate Source Current
I
LGATE-SRC
ISL6431CB; V
CC
= 5V, V
LGATE
= 4V
ISL6431IB; V
CC
= 5V, V
LGATE
= 4V
-
1.0
-
A
-
1.0
-
A
ISL6431
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