参数资料
型号: ISL62771IRTZ-T
厂商: Intersil
文件页数: 11/36页
文件大小: 0K
描述: IC PWM CTRLR MULTIPHASE 40TQFN
标准包装: 6,000
系列: Robust Ripple Regulator™ (R³)
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: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
ISL62771
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) θ JA (°C/W) θ JC (°C/W)
40 Ld TQFN Package (Notes 4, 5) . . . . . . . 33 3
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
Recommended Operating Conditions
Supply Voltage, V DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Battery Voltage, V IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4.5V to 25V
Ambient Temperature
HRTZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
IRTZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Junction Temperature
HRTZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10°C to +125°C
IRTZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°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. 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 Operating Conditions: V DD = 5V, T A = -40°C to +100°C, 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
POWER-ON-RESET THRESHOLDS
ENABLE = 0V
1
μA
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
HRTZ
No load; closed loop, active mode range,
-0.5
+0.5
%
%Error (V OUT)
VID = 0.75V to 1.55V,
VID = 0.25V to 0.74375V
-10
+10
mV
IRTZ
No load; closed loop, active mode range,
-0.8
+0.8
%
%Error (V OUT )
VID = 0.75V to 1.55V
VID = 0.25V to 0.74375V
-12
+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
f SW(nom)
280
300
320
kHz
AMPLIFIERS
Current-Sense Amplifier Input Offset
Error Amp DC Gain
Error Amp Gain-Bandwidth Product
HRTZ
IRTZ
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
FN8321.2
September 12, 2013
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