參數(shù)資料
型號： ISL6431A
廠商： Intersil Corporation
英文描述： Advanced Pulse Width Modulation (PWM) Controller for Broadband Applications
中文描述： 先進的脈沖寬度調(diào)制（PWM）控制器的寬帶應(yīng)用
文件頁數(shù)： 3/10頁
文件大小： 215K
代理商： ISL6431A
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
2.6
3.2
3.8
mA
POWER-ON RESET
Rising VCC POR Threshold
POR
4.19
4.30
4.50
V
VCC POR Threshold Hysteresis
0.01
0.20
0.85
V
OSCILLATOR
Frequency
f
OSC
V
OSC
VCC
= 5V
250
300
340
kHz
Ramp Amplitude
-
1.5
-
V
P-P
REFERENCE
Reference Voltage Tolerance
V
REF
-
-
1.5
%
Nominal Reference Voltage
-
0.800
-
V
ERROR AMPLIFIER
DC Gain
-
82
-
dB
Gain-Bandwidth Product
GBWP
14
-
-
MHz
Slew Rate
SR
COMP = 10pF
4.65
8.0
9.2
V/
μ
s
GATE DRIVERS
Upper Gate Source Current
I
UGATE-
SRC
V
BOOT
- V
PHASE
= 5V, V
UGATE
= 4V
-
-1
-
A
Upper Gate Sink Current
I
UGATE-SNK
-
1
-
A
Lower Gate Source Current
I
LGATE-SRC
V
VCC
= 5V, V
LGATE
= 4V
-
-1
-
A
Lower Gate Sink Current
I
LGATE-SNK
-
2
-
A
PROTECTION / DISABLE
OCSET Current Source
I
OCSET
17
20
22
μ
A
Disable Threshold
V
DISABLE
-
-
0.8
V
ISL6431A
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ISL6431CB-T 功能描述:IC REG CTRLR BUCK PWM VM 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR)
ISL6431IB 制造商:Intersil Corporation 功能描述:
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