STMPS2262 STMPS2272 Enhanced Power Switch Data Brief Features ■ 80mΩ HIGH-SIDE MOSFET SWITCH ■ 1000mA CONTINUOUS CURRENT PER CHANNEL ■ INDEPENDENT THERMAL AND SHORTCIRCUIT PROTECTION WITH OVERCURRENT LOGIC OUTPUT ■ OPERATING RANGE FROM 2.7V TO 5.5V ■ 2.5ms TYPICAL RISE TIME ■ UNDERVOLTAGE LOCKOUT ■ 10µA MAXIMUM STANDBY SUPPLY CURRENT ■ AMBIENT TEMPERATURE RANGE, 0°C TO 85°C ■ 8kV ESD PROTECTION ■ REVERSE CURRENT PROTECTION ■ FAULT-BLANKING Description These devices power distribution switches are intended for application where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporate 80mΩ Nchannel MOSFET high-side power switches for power-distribution systems that require multiple powers switches in a single package. Each switch is controlled by an independent logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. SO-8 The charge pump requires no external components and allows operation from supplies as low as 2.7 V. When the output load exceeds the current-limit threshold or a short is present, these devices limit the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures the switch remains off until valid input voltage is present. Order Codes Part Number Channel RON (Ω) Current Limit (mA) Enable Package STMPS2262MTR 2 80 1000 Active Low SO-8 STMPS2272MTR 2 80 1000 Active High SO-8 December 2005 For further information contact your local STMicroelectronics sales office. Rev. 1 1/7 www.st.com 7 STMPS2262 - 2272 1 Summary Description 1 Summary Description 1.1 Pin Connection and Description 2/7 Figure 1. Connections Diagram Table 1. Pin Description PIN N° Symbol Type Name and Function 1 GND 2 IN 3 EN 1 I Enable for channel 1 4 EN 2 I Enable for channel 2 5 OC2 O Open drain output for fault indication of channel 2 6 OUT2 - Output of channel 2 7 OUT1 - Output of channel 1 8 OC1 O Open drain output for fault indiacation of channel 1 Ground VCC input, 2.7-5.5V STMPS2262 - 2272 2 2 Typical Application Typical Application Figure 2. Typical Application Diagram 3/7 3 Package Mechanical Data 3 STMPS2262 - 2272 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. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 4/7 STMPS2262 - 2272 Table 2. 3 Package Mechanical Data SO-8 Mechanica Data Dimensions REF. mm Min. Typ. inch Max. Min. Typ. Max. A 1.35 1.75 0.053 0.069 A1 0.10 0.25 0.04 0.010 A2 1.10 1.65 0.043 0.065 B 0.33 0.51 0.013 0.020 C 0.19 0.25 0.007 0.010 D 4.80 5.00 0.189 0.197 E 3.80 4.00 0.150 0.157 e 1.27 0.050 H 5.80 6.20 0.228 0.244 h 0.25 0.50 0.010 0.020 L 0.40 1.27 0.016 0.050 k 8° (max.) ddd Figure 3. 0.1 0.04 SO-8 Package Dimension 5/7 STMPS2262 - 2272 4 Revision History 4 6/7 Revision History Date Revision 12-Dec-2005 1 Description of Change First Release STMPS2262 - 2272 4 Revision History Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 7/7