参数资料
型号: ISL6277IRZ-T
厂商: Intersil
文件页数: 11/37页
文件大小: 0K
描述: IC PWM REG MULTIPH AMD 48-QFN
标准包装: 4,000
应用: 控制器,AMD Fusion? SVI 2.0 CPU GPU
输入电压: 4.5 V ~ 25 V
输出数: 2
输出电压: 0.006 V ~ 1.55 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN(6x6)
包装: 带卷 (TR)
ISL6277
Absolute Maximum Ratings
Supply Voltage, V DD, V DDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
Battery Voltage, V IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +28V
Boot Voltage (BOOT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
Boot to Phase Voltage (BOOT-PHASE) . . . . . . . . . . . . . . . . -0.3V to +7V(DC)
-0.3V to +9V (<10ns)
Phase Voltage (PHASE) . . . . . . . . . . . . . . . . -7V (<20ns Pulse Width, 10μJ)
UGATE Voltage (UGATE) . . . . . . . . . .PHASE - 0.3V (DC) to BOOTPHASE - 5V
(<20ns Pulse Width, 10μJ) to BOOT LGATE Voltage
-2.5V (<20ns Pulse Width, 5μJ) to VDD + 0.3V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VDD + 0.3V)
Open Drain Outputs, PGOOD, PGOOD_NB, VR_HOT_L. . . . . . . -0.3V to +7V
Thermal Information
Thermal Resistance (Typical) ? JA (°C/W) ? JC (°C/W)
48 Ld QFN Package (Notes 4, 5) . . . . . . . . 29 3.5
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C
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, V DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Battery Voltage, V IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 25V
Ambient Temperature HRZ . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
IRZ . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +125°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. ? 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 ? JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications Operating Conditions: V DD = 5V, T A = -10°C to +100°C (HRZ), T A = -40°C to +85°C (IRZ), f SW = 300kHz, unless
otherwise noted. Boldface limits apply over the operating temperature range, -40°C to +100°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
INPUT POWER SUPPLY
+5V Supply Current
I VDD
ENABLE = 1V
8
11
mA
ENABLE = 0V
5
μA
Battery Supply Current
V IN Input Resistance
I VIN
R VIN
ENABLE = 0V
ENABLE = 1V
620
1
μA
k ?
POWER-ON-RESET THRESHOLDS
VDD POR Threshold
VDD_POR r
VDD_POR f
V DD rising
V DD falling
4.00
4.35
4.15
4.5
V
V
SYSTEM AND REFERENCES
System Accuracy
HRZ
No load; closed loop, active mode range,
%Error (V OUT)
VID = 0.75V to 1.55V
VID = 0.25V to 0.74375V
-0.5
-10
+0.5
+10
%
mV
IRZ
No load; closed loop, active mode range,
%Error (V OUT )
VID = 0.75V to 1.55V
VID = 0.25V to 0.74375V
-0.8
-12
+0.8
+12
%
mV
Maximum Output Voltage
Minimum Output Voltage
V OUT(max)
V OUT(min)
VID = [00000000]
VID = [11111111]
1.55
0.0
V
V
CHANNEL FREQUENCY
Nominal Channel Frequency
Adjustment Range
f SW(nom)
280
300
300
320
450
kHz
kHz
AMPLIFIERS
Current-Sense Amplifier Input Offset
Error Amp DC Gain
Error Amp Gain-Bandwidth Product
HRZ
IRZ
A v0
GBW
I FB = 0A
I FB = 0A
C L = 20pF
-0.15
-0.20
119
17
+0.15
+0.20
mV
mV
dB
MHz
11
FN8270.1
March 8, 2012
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