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参数资料
| 型号： | ISL8088EVAL1Z |
| 厂商： | Intersil |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD 1 FOR ISL8088 |
| 标准包装： | 1 |
| 系列： | * |
ISL8088
Absolute Maximum Ratings (Reference to GND)
Supply Voltage (V IN ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V
V IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V (20ms)
EN1, EN2, PG, SYNC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to V IN + 0.3V
LX1, LX2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V to 6.5V
LX1, LX2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.5V (100ns)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V (DC) to 7V (20ms)
FB1, FB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
ESD Rating
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V
Thermal Information
Thermal Resistance (Typical) θ JA (°C/W) θ JC (°C/W)
10 Ld 3x3 DFN Package (Notes 4, 5) . . . . . . 49 4
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
V IN Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.75V to 5.5V
Load Current Range Per Channel . . . . . . . . . . . . . . . . . . . . . 0mA to 800mA
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-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 Unless otherwise noted, all parameter limits are established over the recommended operating conditions:
T A = -40°C to +85°C, V IN = 2.75V to 5.5V, EN1 = EN2 = V IN , SYNC = 0V, L = 2.2μH, C1 = 10μF, C2 = C4 = 10μF, IOUT1 = IOUT2 = 0A to 800mA. (Typical
values are at T A = +25°C, V IN = 3.6V). Boldface limits apply over the operating temperature range, -40°C to +85°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
INPUT SUPPLY
V IN Undervoltage Lockout Threshold
Quiescent Supply Current
V UVLO
I VIN
Rising
Falling
SYNC = V IN , EN1 = EN2 = V IN , no load at the
output and no switches switching.
2.1
2.5
2.4
30
2.75
50
V
V
μA
VFB1 = VFB2 = 0.7V
SYNC = GND, EN1 = EN2 = VIN,
0.1
1
mA
F S = 2.25MHz, no load at the output
Shut Down Supply Current
I SD
V IN = 5.5V, EN1 = EN2 = GND
6.5
12
μA
OUTPUT REGULATION
FB1, FB2 Regulation Voltage
FB1, FB2 Bias Current
Line Regulation
V FB_
I FB_
VFB = 0.55V
V IN = V O + 0.5V to 5.5V (minimal 2.75V,
I OUT = 0A)
0.590
0.6
0.1
0.2
0.610
V
μA
%/V
Soft-Start Ramp Time Cycle
OVERCURRENT PROTECTION
2
ms
Peak Overcurrent Limit
I pk1
I pk2
0.95
0.95
1.2
1.2
1.6
1.6
A
A
Peak SKIP Limit
I skip1
I skip2
V IN = 3.6V
180
180
250
250
360
360
mA
mA
LX1, LX2
P-Channel MOSFET ON-Resistance
N-Channel MOSFET ON-Resistance
V IN = 5.5V, I O = 200mA
V IN = 2.75V, I O = 200mA
V IN = 5.5V, I O = 200mA
V IN = 2.75V, I O = 200mA
180
320
180
320
350
450
350
450
m ?
m ?
m ?
m ?
4
FN6858.2
May 26, 2011
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