MC34652EF Freescale Semiconductor, MC34652EF Datasheet
MC34652EF
Specifications of MC34652EF
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MC34652EF Summary of contents
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... Optional External Components Figure 1. 34652 Simplified Application Diagram * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007. All rights reserved. Device MC34652EF/ R2 MCZ34652EF/ R2 34652 DISABLE PG VPWR GND PG UV ...
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... INTERNAL BLOCK DIAGRAM Adjustable Oscillator Fixed and Oscillator Startup Delay Timer - UVLO 1 Logic - Thermal Shutdown Programmable Current Limit Sensor MOSFET Power MOSFET Timer and TIMER External Resistors Detection PG PG VIN Gate Control Driver VOUT Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Overvoltage Control 11 UV Undervoltage Control 12 VPWR Positive Supply Input Voltage 13 DISABLE Disable Input Control 14 ILIM Current Limit Control 15 ICHG Charging Current Limit Control Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS VIN 1 VIN ICHG 15 ILIM VOUT 4 13 DISABLE VOUT VPWR ...
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... 100pF, R ZAP = 200 pF Ω). ZAP ZAP Value Unit 85 V (1) Varies 5.5 IN PWR 7.0 5 0.3 V Internally Limited A V ± 2000 ± 200 ° 150 ° 160 = 1500 Ω), ESD2 testing is performed in ZAP Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Per SEMI G38-87 and JEDEC JESD51-2 with the single-layer board (JESD51-3) horizontal. 10. Per JEDEC JESD51-6 with the board (JESD51-7) horizontal. There are no thermal vias connecting the package to the two planes in the board. Analog Integrated Circuit Device Data Freescale Semiconductor Symbol (5), (6) T ...
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... V — 34 — mV — — 1.0 μA — — 500 kΩ V — 78 — — 76 — — 2.0 — — 1.3 — V — 34 — mV μA — — 1.0 — — 500 kΩ Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Power Good Output Low Voltage 1 Power Good Leakage Current Power Good Current Limit 3 Notes 12. Referenced to VPWR. 13. Referenced to VIN. Analog Integrated Circuit Device Data Freescale Semiconductor and - 40°C T 85°C. All voltages are referenced to VIN unless ≤ ≤ ≤ ≤ PWR A Symbol (12) V DISL V V DISHP V ...
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... All voltages are referenced to VIN unless ≤ ≤ ≤ ≤ PWR A Symbol Min V — TIMER I — OUTLG R — DS(ON) T — — SDHY Typ Max Unit 1.3 — V — 50 μA 144 — mΩ ° 160 — C ° 25 — C Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Start-Up and Retry Delay Timer Default Maximum with External Resistor Minimum with External Resistor Notes 14. Referenced to VPWR. 15. Referenced to VIN. Analog Integrated Circuit Device Data Freescale Semiconductor and - 40°C T 85°C. All voltages are referenced to VIN unless ≤ ≤ ≤ ≤ PWR ...
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... The device is in overvoltage or undervoltage mode for more than 1.0 ms. • Load current exceeded the overcurrent limit for more than 3.0 ms. This pin is referenced to VIN. Figure 5). The 34652 provides electronic circuit breakers Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... V or the user can set the threshold value externally with a simple voltage divider using resistors between the VPWR and VIN pins. Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DESCRIPTION FUNCTIONAL PIN DESCRIPTION UNDERVOLTAGE CONTROL (UV) The UV pin is used to set the lower limit of the input voltage operation range ...
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... CV With this in mind, the Power MOSFET in the 34652 cannot absorb this pulse of energy instantaneously, so the pulse must be dissipated over time. To limit the peak power dissipation in the Power MOSFET and to spread out the Analog Integrated Circuit Device Data 2 . Freescale Semiconductor ...
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... Figure 8. Full Power MOSFET Turn-On and Current Spike Associated with It. End of Charging Process Analog Integrated Circuit Device Data Freescale Semiconductor NORMAL MODE If one of the start-up conditions (list on any time from the start of the Power MOSFET enhancement ...
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... And because the retry counter is less than 10, the 34652 turns on the Power MOSFET and starts the charging process (refer to the Charging Process ) is applied PWR 12. Applying a Figure 12. Start-Up Timer Versus Disable section, pages 12–13). Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... RISING UVHY UVCHY Analog Integrated Circuit Device Data Freescale Semiconductor 34652 STATE MACHINE DIAGRAM Figure representation of the 34652 behavior in different modes of operation. Start-Up Conditions N ≤ 10 Charging Mode • Thermal Shutdown < 160°C • DISABLE = • V < V ...
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... Equation 1, on the following page can be used to calculate the maximum allowable overcurrent limit based on the maximum desired junction temperature or vice versa. page 12) is violated, and the device turns of the internal Power MOSFET θJA ). LOAD Analog Integrated Circuit Device Data Freescale Semiconductor ). ...
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... Temperature difference between package top and junction per JEDEC JESD51-2 Junction to Package Top Thermal resistance between junction and thermal lead, not standard JEDEC Junction to Lead Analog Integrated Circuit Device Data Freescale Semiconductor For example 100 mA, the default value CHG C = 400 μF, a very large capacitor ...
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... PLUG-IN CARD 33652 44 kΩ Application VPWR UV PG Dependent DISABLE Enable/Enable LOAD VOUT (2) (4) VIN DC/DC TIMER ICHG ILIM Converter , R , and This range is suitable for telecom industry Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Analog Integrated Circuit Device Data Freescale Semiconductor If the three-resistor divider, which is the recommended approach, could not produce acceptable resistor values, the user can consider two separate resistor dividers, one divider for each pin from VPWR to VIN. An advantage of the two- resistor dividers approach is that the user can set the trip points of the UV and OV thresholds independently ...
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... The 34652 is now in normal operation PG mode and the retry counter resets. and 19, + 1.2 V and inactive PWR PWR ) is applied to PWR . This current charges up the CHG Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Analog Integrated Circuit Device Data Freescale Semiconductor is intended to limit 180 160 140 120 100 Value for different values versus CHG 0 Figure 21. External Resistor (R ...
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... ILIM (A) ) Value Versus ILIM Current Limit Value (I ) LIM Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Power MOSFET capability of about 3500 mJ result of this analysis, the 33652 is expected to more than meet all energy capability requirements for the possible capacitive loads. Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS 3500 3000 Estimated for Area =1.7 mm 400 μ ...
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... Important For the most current revision of the package, visit drawing number below: 34652 24 PACKAGING PACKAGE DIMENSIONS www.freescale.com and perform a keyword search on the “98A” EF SUFFIX (Pb-Free) 16-PIN SOIC NARROW BODY PLASTIC PACKAGE 98ASB42566B ISSUE M Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Go to www.freescale.com, search by part number [e.g. remove prefixes/suffixes and enter the core ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics. on page 5 Analog Integrated Circuit Device Data Freescale Semiconductor REVISION HISTORY DISABLE Input Current Overcurrent Limit in Steady State ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...