参数资料
型号: ISL95870BHRZ-T
厂商: Intersil
文件页数: 12/28页
文件大小: 0K
描述: IC CTRLR PWM 1PHASE GPU 20QFN
标准包装: 6,000
应用: 控制器,GPU 内核电源
输入电压: 3.3 V ~ 25 V
输出数: 1
输出电压: 0.5 V ~ 5 V
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x4)
包装: 带卷 (TR)
ISL95870, ISL95870A, ISL95870B
Absolute Maximum Ratings
VCC, PVCC, PGOOD, FSEL to GND . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
VCC, PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
GND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
EN, SET0, SET1, SET2, VO,
VID0, VID1, FB, RTN, OCSET, SREF . . . . . . . . . . . . -0.3V to GND, VCC + 0.3V
BOOT Voltage (V BOOT-GND ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 33V
BOOT To PHASE Voltage (V BOOT-PHASE ). . . . . . . . . . . . . . . . -0.3V to 7V (DC)
-0.3V to 9V (<10ns)
PHASE Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 28V
GND -8V (<20ns Pulse Width, 10μJ)
UGATE Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . V PHASE - 0.3V (DC) to V BOOT
V PHASE - 5V (<20ns Pulse Width, 10μJ) to V BOOT
LGATE Voltage . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V (DC) to VCC + 0.3V
. . . . . . . . . . . . . . . . . . GND - 2.5V (<20ns Pulse Width, 5μJ) to VCC + 0.3V
ESD Rating
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200V
Charged Device Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1kV
Latch Up. . . . . . . . . . . . . . . . . . . . . . . . . . . JEDEC Class II Level A at +125°C
Thermal Information
Thermal Resistance (Typical) θ JA (°C/W) θ JC (°C/W)
16 Ld UTQFN (Note 5) . . . . . . . . . . . . . . . . . 90 N/A
20 Ld UTQFN (Note 5) . . . . . . . . . . . . . . . . . 88 N/A
20 Ld QFN (Notes 6, 7) . . . . . . . . . . . . . . . . 44 5
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . . -55 ° C to +150 ° C
Operating Temperature Range:
For “H” Version Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
For “I” Version Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
Recommended Operating Conditions
Ambient Temperature Range:
For “H” Version Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
For “I” Version Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Converter Input Voltage to GND . . . . . . . . . . . . . . . . . . . . . . . . . 3.3V to 25V
VCC, PVCC to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V ±5%
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.
ΝΟΤΕΣ:
5. θ JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
6. 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 .
7. For θ JC , the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications All typical specifications T A = +25°C, VCC = 5V. Boldface limits apply over the operating temperature range,
-40°C to +100°C, unless otherwise stated.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 11) TYP (Note 11) UNIT
VCC and PVCC
VCC Input Bias Current
VCC Shutdown Current
PVCC Shutdown Current
I VCC
I VCCoff
I PVCCoff
EN = 5V, VCC = 5V, FB = 0.55V, SREF < FB
EN = GND, VCC = 5V
EN = GND, PVCC = 5V
-
-
-
1.2
0
0
1.9
1.0
1.0
mA
μA
μA
VCC POR THRESHOLD
Rising VCC POR Threshold Voltage
V VCC_THR
4.40
4.52
4.60
V
Falling VCC POR Threshold Voltage
V
VCC_THF
4.10
4.22
4.35
V
REGULATION
VID0 = VID1 = VCC, PWM Mode = CCM
-0.5
-
+0.5
%
System Accuracy
(For “H” Version Parts, T A = -10°C to +100°C)
VID0 = VID1 = VCC, PWM Mode = CCM
-0.75
+0.5
%
PWM
Switching Frequency Accuracy
F SW
PWM Mode = CCM
(For “H” Version Parts, T A = -10°C to +100°C)
PWM Mode = CCM
-15
-22
-
-
+15
+15
%
%
VO
VO Input Impedance
VO Reference Offset Current
VO Input Leakage Current
R VO
I VOSS
I VOoff
EN = 5V
V ENTHR < EN, SREF = Soft-Start Mode
EN = GND, VO = 3.6V
-
-
-
600
8.5
0
-
-
-
k Ω
μA
μA
12
FN6899.1
December 2, 2013
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