参数资料
型号: ISL62881HRTZ
厂商: Intersil
文件页数: 5/35页
文件大小: 0K
描述: IC REG PWM SGL PHASE 28TQFN
标准包装: 75
应用: 控制器,Intel IMVP-6.5?
输入电压: 5 V ~ 25 V
输出数: 1
输出电压: 0.013 V ~ 1.5 V
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 管件
ISL62881, ISL62881B
Absolute Maximum Ratings
Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
Battery Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +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 BOOT
. . . . . . . . . . . . . . . . . . . . . PHASE-5V (<20ns Pulse Width, 10μJ) to BOOT
LGATE Voltage (LGATE). . . . . . . . . . . . . . . . . . . . . . -0.3V (DC) to VDD + 0.3V
. . . . . . . . . . . . . . . . . . . . . -2.5V (<20ns Pulse Width, 5μJ) to VDD + 0.3V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VDD + 0.3V)
Open Drain Outputs, PGOOD, VR_TT#, CLK_EN# . . . . . . . . . . . . . . -0.3V to +7V
Thermal Information
Thermal Resistance (Typical, Notes 4, 5) θ JA (°C/W) θ JC (°C/W)
28 Ld TQFN Package . . . . . . . . . . . . . . . . . . 40 3
32 Ld TQFN Package . . . . . . . . . . . . . . . . . . 32 3
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
Recommended Operating Conditions
Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Battery Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4.5V to 25V
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°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. 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 = -10°C to +100°C, f SW = 300kHz, unless otherwise noted. Boldface
limits apply over the operating temperature range, -10°C to +100°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6) UNITS
INPUT POWER SUPPLY
+5V Supply Current
I VDD
VR_ON = 1V
3.2
4.0
mA
VR_ON = 0V
1
μA
Battery Supply Current
V IN Input Resistance
I VIN
R VIN
VR_ON = 0V
VR_ON = 1V
900
1
μA
k Ω
Power-On-Reset Threshold
POR r
POR f
V DD rising
V DD falling
4.00
4.35
4.15
4.5
V
V
SYSTEM AND REFERENCES
System Accuracy
%Error (V CC_CORE )
No load; closed loop, active mode range
VID = 0.75V to 1.50V
VID = 0.5V to 0.7375V
VID = 0.3V to 0.4875V
-0.5
-8
-15
+0.5
+8
+15
%
mV
mV
V BOOT
1.0945 1.100 1.1055
V
Maximum Output Voltage
Minimum Output Voltage
V CC_CORE(max)
V CC_CORE(min)
VID = [0000000]
VID = [1111111]
1.500
0
V
V
R BIAS Voltage
R BIAS = 147k Ω
1.45
1.47
1.49
V
CHANNEL FREQUENCY
Nominal Channel Frequency
f SW(nom)
RF SET = 7k Ω , V COMP = 1V
295
310
325
kHz
Adjustment Range
200
500
kHz
AMPLIFIERS
Current-Sense Amplifier Input
Offset
Error Amp DC Gain
A v0
I FB = 0A
-0.15
90
+0.15
mV
dB
Error Amp Gain-Bandwidth
Product
GBW
C L = 20pF
18
MHz
5
FN6924.3
June 16, 2011
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