st890b STMicroelectronics, st890b Datasheet
st890b
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st890b Summary of contents
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... December 2007 1.2 A current limited high side power switch SO-8 Description The ST890B, ST890C and ST890D are low voltage, P-channel MOSFET power switches intended for high side load switching applications. These switches operate with inputs from 2 5.5 V, making it ideal for both 3 V and 5 V systems ...
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... Contents Contents 1 Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2/17 ST890B, ST890C, ST890D ...
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... ST890B, ST890C, ST890D 1 Device summary Figure 1. SO-8 pin connection (top view) Table 2. SO-8 pin description Pin 6 GND Symbol Input P-channel MOSFET source. Bypass IN with a 1 μF IN capacitor to ground ON Active low switch ON input. A logic low turns the switch ON ...
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... Switch output. P-channel MOSFET drain. Bypass OUT with OUT a 0.1 μF capacitor to ground Fault indicator output. This open drain output goes low FAULT when in current limit or when the die temperature exceeds 135 °C ST890B, ST890C, ST890D CS00025 Name and function ...
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... ST890B, ST890C, ST890D Figure 3. Schematic diagram IN /FAULT /ON Table 4. Truth table for ON/OFF switch Table 5. Truth table for FAULT Control circuitry ON/OFF L H FAULT H L Device summary OUT - + ON Replica amplifier + SET ON - 1.24V Current limit amplifier GND CS00026 OUT ON OFF FLAG Normal operation ...
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... Test condition = GND 5 OUT 5 ST890B, ST890C, ST890D Value Unit - +0. 1.5 A -65 to +150 °C -40 to +85 °C DFN8L Unit (2) 37.6 °C/W Value T = 25°C ...
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... ST890B, ST890C, ST890D Table 8. Electrical characteristics (continued) Symbol Parameter V Undervoltage ULO lockout V Undervoltage HYST lockout hysteresis resistance V Reference voltage SET to turn the switch OFF I Maximum MAX programmable output over current limit I SC Short circuit current limit LIM SET ...
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... 500 500 unless otherwise specified. Typical values are at T MAX IN OUT IN OUT 100 k Ω /FAULT /ON GND SET ST890B, ST890C, ST890D Value T = 25°C Unit A Min Typ Max μs 5 μs 2 μ μs 50 μ ° ...
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... ST890B, ST890C, ST890D 2.1 Typical performance characteristics Unless otherwise specified Figure 5. ON resistance vs. supply voltage Figure 6. ON resistance vs. temperature C. ° Maximum rating 9/17 ...
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... Maximum rating Figure 7. Switching waveforms V =5V, R =0.6Ω 10/17 ST890B, ST890C, ST890D V =5V, R =0.32Ω ...
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... ST890B, ST890C, ST890D 3 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label ...
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... Symbol ddd 12/17 millimeters Min Typ Max 1.35 1.75 0.10 0.25 1.10 1.65 0.33 0.51 0.19 0.25 4.80 5.00 3.80 4.00 1.27 5.80 6.20 0.25 0.50 0.40 1.27 0.1 ST890B, ST890C, ST890D inches Min Typ 0.053 0.04 0.043 0.013 0.007 0.189 0.150 0.050 0.228 0.010 0.016 8°(max) Max 0.069 0.010 0.065 0.020 0.010 0.197 0.157 0.244 0.020 0.050 0.04 ...
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... ST890B, ST890C, ST890D Figure 9. SO-8 tape and reel specifications 1. Drawing not to scale. Table 11. SO-8 tape and reel mechanical data Symbol millimeters Min Typ Max 330 12.8 13.2 20.2 60 22.4 8.1 8.5 5.5 5.9 2.1 2.3 3.9 4.1 7.9 8.1 Package mechanical data inches Min Typ Max 12.992 0.504 0.519 0.795 2.362 0.882 ...
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... Package mechanical data Figure 10. DFN8L ( mm) package drawing 1. Drawing is not to scale. 2. Dimensions in millimeters. 14/17 ST890B, ST890C, ST890D PO8092726_A ...
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... ST890B, ST890C, ST890D Table 12. DFN8L ( mm) package mechanical data Symbol Figure 11. DFN8L ( mm) footprint recommendations 1. Drawing not to scale. 2. Dimensions in millimeters. millimeters Min Typ 0.80 0.85 0 0.02 0.25 0.030 2.95 3 2.30 2.40 2.95 3 1.70 1.80 0.65 0.25 0.30 Package mechanical data Max 0.90 0.05 0.35 3.05 2.50 3.05 1.90 0.35 FR8092726_A 15/17 ...
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... Date 22-Jul-2005 10-Aug-2007 1-Dec-2007 16/17 Revision 4 Added 3 rows on Table 2 on page 3 Removed ST890CD and ST890BD from 5 Updated short circuit current limit value in Added Section : Contents. Added ST890D and related DFN8L package information. Added Figure 2: DFN8L ( mm) pin connection (top view) on page 4 ...
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... ST890B, ST890C, ST890D Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...