参数资料
型号: ISL6567IRZ-T
厂商: Intersil
文件页数: 5/25页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 24-QFN
标准包装: 6,000
PWM 型: 电压模式
输出数: 1
频率 - 最大: 1.5MHz
占空比: 66%
电源电压: 4.9 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: -40°C ~ 85°C
封装/外壳: 24-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL6567
Absolute Maximum Ratings
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Shunt Regulator Voltage, V VREG . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Boot Voltage, V BOOT . . . . . . . . . . . . . . . . . . . . . PGND - 0.3V to PGND + 27V
PHASE Voltage . . . . . . . . . . . . . . . . . . . . . GND - 0.3V (DC) to VBOOT + 0.3V
. . . . . . . . . . . . . . . . GND - 5V (<100ns Pulse Width, 10μJ) to V BOOT + 0.3V
UGATE Voltage. . . . . . . . . . . . . . . . . . . . V PHASE - 0.3V (DC) to V BOOT + 0.3V
. . . . . . . . . . . . . V PHASE - 4V (<200ns Pulse Width, 20μJ) to V BOOT + 0.3V
LGATE Voltage . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V (DC) to V VCC + 0.3V
. . . . . . . . . . . . . . . . . . GND - 2V (<100ns Pulse Width, 4μJ) to V VCC + 0.3V
Input, Output, or I/O Voltage . . . . . . . . . . . . . . . . . GND - 0.3V to VCC + 0.3V
Thermal Information
Thermal Resistance θ JA (°C/W) θ JC (°C/W)
QFN Package (Notes 4, 5) . . . . . . . . . . . . . . 43 7
Ambient Operating Temperature Range . . . . . . . . . . . . . . . -40°C to +85°C
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+4.9V to +5.5V
Ambient Temperature
ISL6567CRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
ISL6567IRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
4. θ JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379 .
5. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
over the operating temperature range.
Operating Conditions: V CC = 5V, T J = -40°C to +85°C, unless otherwise specified. Boldface limits apply
MIN
MAX
PARAMETER
TEST CONDITIONS
(Note 8)
TYP
(Note 8)
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
Rising VCC POR (Power-On Reset) Threshold
VCC POR Hysteresis
Rising PVCC POR Threshold
Shunt Regulation
Maximum Shunt Current
Switching Frequency (Per Channel; Note 7)
Frequency Tolerance
Oscillator Peak-to-Peak Ramp Amplitude
Maximum Duty Cycle
I VCC ; EN > 0.7V; LGATE, UGATE open
V VCC ; I VREG = 0mA to 120mA
I VREG_MAX
F SW
F SW
V OSC
d MAX
-
4.30
0.46
3.60
4.90
120
200
-10
-
-
7.6
4.40
0.51
3.67
5.10
-
-
-
1.4
66
9
4.50
0.58
3.75
5.35
-
2000
10
-
-
mA
V
V
V
V
mA
kHz
%
V
%
CONTROL THRESHOLDS
EN Threshold
EN Hysteresis Current
-
-
0.65
20
-
-
V
μA
MON Power-Good Enable Threshold
MON Hysteresis Current
V MON_TH
290
-
305
10
320
-
mV
μA
SOFT-START
SS Current
SS Ramp Amplitude
SS Threshold for Output Gates Turn-Off
I SS
-
0.55
0.40
22
-
-
-
3.60
-
μA
V
V
5
FN9243.4
August 9, 2011
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