参数资料
型号: ISL6431CB-T
厂商: Intersil
文件页数: 3/10页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 8-SOIC
标准包装: 2,500
PWM 型: 电压模式
输出数: 1
频率 - 最大: 340kHz
占空比: 100%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
ISL6431
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
Thermal Resistance (Typical, Note 1)
θ JA ( o C/W)
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
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
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)
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
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
ISL6431IB; UGATE and LGATE Open
-
2.5
3.2
3.2
-
3.8
mA
mA
POWER-ON RESET
Rising VCC POR Threshold
VCC POR Threshold
Hysteresis
POR
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
-
4.17
-
0.01
4.30
4.30
0.20
0.20
-
4.50
-
0.85
V
V
V
V
OSCILLATOR
Frequency
Ramp Amplitude
f OSC
? V OSC
ISL6431CB; VCC = 5V
ISL6431IB; VCC = 5V
ISL6431CB
ISL6431IB
-
230
-
-
300
300
1.5
1.5
-
340
-
-
kHz
kHz
V P-P
V P-P
REFERENCE
Reference Voltage Tolerance
ISL6431CB
ISL6431IB
-
-
-
-
1.5
1.5
%
%
Nominal Reference Voltage
V REF
ISL6431CB
ISL6431IB
-
-
0.800
0.800
-
-
V
V
ERROR AMPLIFIER
DC Gain
ISL6431CB
ISL6431IB
-
-
82
82
-
-
dB
dB
Gain-Bandwidth Product
Slew Rate
GBWP
SR
ISL6431CB
ISL6431IB
ISL6431CB; COMP = 10pF
ISL6431IB; COMP = 10pF
14
14
-
4.5
-
-
8.0
8.0
-
-
-
9.2
MHz
MHz
V/ μ s
V/ μ s
GATE DRIVERS
Upper Gate Source Current
Upper Gate Sink Current
Lower Gate Source Current
I UGATE-SRC
I UGATE-SNK
I LGATE-SRC
ISL6431CB; V BOOT - V PHASE = 5V, V UGATE = 4V
ISL6431IB; V BOOT - V PHASE = 5V, V UGATE = 4V
ISL6431CB
ISL6431IB
ISL6431CB; V CC = 5V, V LGATE = 4V
ISL6431IB; V CC = 5V, V LGATE = 4V
-
-
-
-
-
-
1.0
1.0
1.0
1.0
1.0
1.0
-
-
-
-
-
-
A
A
A
A
A
A
3
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