参数资料
型号: ISL6314IRZ-T
厂商: Intersil
文件页数: 6/32页
文件大小: 0K
描述: IC CTRLR PWM 1PHASE BUCK 32-QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 6,000
应用: 控制器,Intel VR11,AMD CPU
输入电压: 5 V ~ 12 V
输出数: 1
输出电压: 0.38 V ~ 1.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
ISL6314
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Thermal Resistance
θ JA (°C/W)
θ JC (°C/W)
Supply Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V
Absolute Boot Voltage, V BOOT . . . . . . . . GND - 0.3V to GND + 36V
Phase Voltage, V PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
GND - 8V (<400ns, 20μJ) to 30V (<200ns, V BOOT-PHASE = 5V)
Upper Gate Voltage, V UGATE . . . . V PHASE - 0.3V to V BOOT + 0.3V
V PHASE - 3.5V (<100ns Pulse Width, 2μJ) to V BOOT + 0.3V
Lower Gate Voltage, V LGATE . . . . . . . . GND - 0.3V to PVCC + 0.3V
GND - 5V (<100ns Pulse Width, 2μJ) to PVCC+ 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
QFN Package (Notes 1, 2) . . . . . . . . . . 32 3.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+5V ±5%
PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V ±5%
Ambient Temperature
ISL6314CRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
ISL6314IRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-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:
1. 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.
2. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Specified. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLIES
Input Bias Supply Current
I VCC ; V CC = 5V; EN = high,
9
11.4
16
mA
not switching;
Gate Drive Bias Current - PVCC Pin
I PVCC ; PVCC = 12V; EN = high,
1
2
4
mA
high, not switching
V CC POR (Power-On Reset) Threshold
PVCC POR (Power-On Reset) Threshold
V CC rising
V CC falling
PVCC rising
PVCC falling
4.25
3.75
4.25
3.75
4.38
3.88
4.38
3.88
4.50
4.00
4.50
4.00
V
V
V
V
PWM MODULATOR
Oscillator Frequency Accuracy, f SW
R T = 100k Ω (± 0.1%)
225
250
275
kHz
(ISL6314CRZ)
Oscillator Frequency Accuracy, f SW
R T = 100k Ω (± 0.1%)
215
250
280
kHz
(ISL6314IRZ)
Adjustment Range of Switching Frequency
Oscillator Ramp Amplitude, V P-P
(Note 3)
(Note 3)
0.08
-
-
1.50
1.0
-
MHz
V
CONTROL THRESHOLDS
EN Rising Threshold
EN Hysteresis
0.84
-
0.86
110
0.88
-
V
mV
REFERENCE AND DAC
System Accuracy (1.000V to 1.600V)
System Accuracy (0.600V to 1.000V)
System Accuracy (0.375V to 0.600V)
-0.5
-1.0
-2.0
-
-
-
0.5
1.0
2.0
%
%
%
VIDx Input Low Voltage (INTEL)
Pins VID0 to VID7
-
-
0.4
V
6
FN6455.2
October 8, 2009
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