参数资料
型号: ISL9440CEVAL1Z
厂商: Intersil
文件页数: 8/24页
文件大小: 0K
描述: EVAL BOARD 1 FOR ISL9440C
产品培训模块: Solutions for Industrial Control Applications
标准包装: 1
系列: *
ISL9440B, ISL9440C
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to “Block Diagram” on page 3, “Typical
Application - ISL9440B” on page 4 and “Typical Application - ISL9440C” on page 5. V IN = 5.6V to 24V, or
VCC_5V = 5V ±10%, C_VCC_5V = 4.7μF, T A = -40°C to +85°C, Typical values are at T A = +25°C. (Continued)
MIN
MAX
PGOOD Rise Time
PGOOD Fall Time
PARAMETER
TEST CONDITIONS
R PULLUP = 10k to 3.3V
R PULLUP = 10k to 3.3V
(Note 11)
TYP
0.05
0.05
(Note 11) UNITS
μs
μs
EARLY WARNING FUNCTIONS
Undervoltage Lockout Rising (VCC_5V Pin)
Undervoltage Lockout Falling (VCC_5V Pin)
Early Warning Voltage Rising
Early Warning Voltage Falling
3.40
3.25
5.30
3.85
3.70
5.75
5.55
4.30
4.15
5.95
V
V
V
V
RST
RST Voltage Low
I_SINK = 4mA
0.4
V
RST Leakage Current
RST Rise Time
RST Fall Time
RST = 5V
R PULLUP = 10k to 3.3V
R PULLUP = 10k to 3.3V
0.025
0.05
0.05
1
μA
μs
μs
PGOOD/RST TIMING RISING
VIN/VOUT Rising Threshold to PGOOD High Rising
PGOOD Rising to RST Rising
100
200
1.0
300
ms
μs
PGOOD/RST TIMING FALLING
V IN /V OUT Falling Threshold to PGOOD Falling
PGOOD Falling to RST Falling
35
4.5
70
5.5
110
6.5
μs
μs
OVERVOLTAGE PROTECTION
OV Trip Point
OVERCURRENT PROTECTION
118
%
Overcurrent Threshold (OCSET_) (Note 8)
Full-Scale Input Current (ISEN_) (Note 8)
R OCSET = 55k Ω
32
15
μA
μA
Overcurrent Set Voltage (OCSET_)
1.70
1.75
1.80
V
OVER-TEMPERATURE
Over-Temperature Shutdown
Over-Temperature Hysteresis
150
20
°C
°C
NOTES:
6. In normal operation, where the device is supplied with voltage on the V IN pin, the VCC_5V pin provides a 5V output capable of 60mA (min).
When the VCC_5V pin is used as a 5V supply input, the internal LDO regulator is disabled and the V IN input pin must be connected to the
VCC_5V pin. (Refer to the“Pin Descriptions” on page 9 for more details.)
7. This is the total shutdown current with V IN = 5.6 and 24V.
8. Operating current is the supply current consumed when the device is active but not switching. It does not include gate drive current.
9. Limits established by characterization and are not production tested.
10. Check Note 6 for VCC_5V and VIN configurations at 5V ±10% input applications. ISL9440B, ISL9440C’s PGOOD signal will fall LOW when VIN
pin voltage drops below 5.55V (TYP), which results from the early warning detection on VIN pin voltage.
11. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by
characterization and are not production tested.
8
FN6799.3
June 24, 2010
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