MCZ34670EG Freescale Semiconductor, MCZ34670EG Datasheet
MCZ34670EG
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MCZ34670EG Summary of contents
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... V POWER SUPPLY Figure 1. 34670 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., 2006. All rights reserved. Device MCZ34670EG/R2 RJ-45 CAT 5 -48V CABLE GND -48V Document Number: MC34670 Rev ...
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... SUPPLY POR OSC UVLO CONTROL LOGIC 4.5V 5kΩ PWM COMPARATOR 1.4V 3 SLOPE GATE COMP DRIVE TEMP SENSOR RESET VDD S R GATE Q R 3.5V 5µ 0. 0.6 - 2.6V CS BLANK 0.4V 0.6V + COMP FB 1.2V REG DETECT VOUT Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... RESET Output (active low Soft Start Input 16 COMP Compensation Pin 17 FB Feedback Input 18 CS Current Sense 19 GATE Gate Driver Output 20 VDD V DD Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS VPWR 1 VDD 20 GATE VPWR 2 19 RCLA UVLO 4 17 TEST1 5 COMP 16 ...
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... ZAP Value Unit -0 -0 0.3) V PWR -0 -0.3 to 5.0 V -0.3 to 5.0 V -0.3 to 5.0 V With respect to: (2) ( OUT IN -0.3 to 5.0 -0 -0.3 to 5 0.3) -0 -0.3 to 5 ± 2000 ±200 1500 Ω). ESD2 testing is performed in ZAP 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. 7. Maximum power dissipation at indicated ambient temperature in free air with no heatsink used. 8. For T = 85°C and P = 700 mW and Measured with 4 layers 2s2p JEDEC std. PCB. Analog Integrated Circuit Device Data Freescale Semiconductor Symbol STG θ θ ...
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... V — 4.5 7.3 mA — — — — V 6.0 — — — 1.96 2.0 2.04 V — 15 — % µA — — 1.0 — — 500 mΩ 380 — 700 mA Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Thermal Shutdown Temperature Thermal Hysteresis Notes 12. An external voltage has to be applied. 13. Thermal limitations of the device might derate usable current range. Analog Integrated Circuit Device Data Freescale Semiconductor STATIC ELECTRICAL CHARACTERISTICS ≤ 40°C ≤ T ≤ 85° unless otherwise noted. Typical PWR 25° ...
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... MHz — 80 — dB — — 0.8 V µs — 20 — Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Figure 4. Drain Voltage of Switching MOSFET Figure 5. Secondary and Output Voltage Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL SWITCHING WAVEFORMS Figure 6. Secondary Voltage before Diode Figure 7. Gate Voltage and Voltage at CS pin ELECTRICAL CHARACTERISTICS TYPICAL SWITCHING WAVEFORMS w/ snubber ...
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... Coilcraft o DA2142-AL 0.80 1.00 1.20 1.40 1. 5V, w/ bias winding, Coilcraft o DA2362-AL 0.80 1.00 1.20 1.40 1.60 I [A] O Figure 8. Efficiency Plot 57V 48V 36V 1.80 2.00 57V 48V 36V 1.80 2.00 Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... OUTPUT VOLTAGE (VOUT) This pin is the drain of the internal Power MOSFET (high current path and low current path). Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DESCRIPTION INTRODUCTION The 34670 also offers an input overvoltage detection to protect the external switching MOSFET by disabling the gate driver in case of input line overvoltage ...
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... Signature [kΩ] 45 Figure 11 Low Input Voltages – -------------------- - – Figure 10. dR Measurement Figure 11, that a signature resistor of Figure 9. At low voltages the effective resistance Figure 11. Therefore one has to adjust the and R , see UVLO Adjustment 1 2 Analog Integrated Circuit Device Data Freescale Semiconductor V ...
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... Classification Current [mA] Class Min Max Analog Integrated Circuit Device Data Freescale Semiconductor CLASSIFICATION SIGNATURE LOAD CURRENT The implementation for the classification circuitry is shown in Figure 12. +V PORT Table 6. Maximum Power [W] 0.44 - 12.95 0.44 - 3.84 3.84 - 6.49 R 6.49 - 12.95 -V PORT — Figure 12. Classification Circuitry ...
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... UVLO OFF UVLO ON is 85% of the turn UVLO(OFF) . UVLO(ON) as illustrated in Figure 15 PORT VPWR R CLASS RCLA R SIG 25kΩ UVLO R ILIM ILIM VIN -V PORT Resistor R ILIM ILIM R Value [kΩ] ILIM 180 12.1 110 42.2 65 191 S Analog Integrated Circuit Device Data Freescale Semiconductor . Beside ...
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... O REF R 2 ⎝ where V = 1.24 V for the TLV431 (V REF TL431). Analog Integrated Circuit Device Data Freescale Semiconductor Figure 19). The , thus disabling the Figure 16. Isolated Optocoupler Feedback ISOLATED PRIMARY CONTROL FEEDBACK Another option to accomplish isolated feedback is the use of a tertiary winding (see solution without optocoupler and shunt regulator is clearly the cost effectiveness ...
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... CS 400mV ---------------------------------------- I LIM primary ( ) is the maximum peak primary-side is discharged and after removal SS connected from the FREQ pin of the FREQ . IN can be PWM 47920 [ ] f PWM kHz = ----------------------------------- - + FREQ kΩ FREQ or can be left open. IN Analog Integrated Circuit Device Data Freescale Semiconductor is the ...
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... There µs delay filter preventing erroneous RESET output pulses. During soft-start, RESET is held low. RESET is released when the PWM controller is in regulation. Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES N-CHANNEL MOSFET GATE DRIVER GATE drives an N-channel MOSFET. GATE sources and sinks large transient currents ...
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... UVLO CS R ILIM 2 VIN SS FREQ COMP FB VOUT PORT C SS PORT 34670 VPWR RESET RCLA VDD R 1 GATE R CLASS UVLO CS R ILIM 2 VIN SS FREQ COMP FB VOUT PORT AUX V = 5V@2A OUT 0 PORT 5V@2A OUT PORT R CS Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... PORT PORT Figure 21. Isolated Flyback with Primary Control Analog Integrated Circuit Device Data Freescale Semiconductor 34670 VPWR RESET RCLA VDD R 1 GATE CLASS UVLO CS R ILIM 2 VIN SS FREQ COMP FB VOUT C SS Figure 20. Isolated Forward Converter PORT 34670 VPWR RESET RCLA VDD R 1 ...
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... TYPICAL APPLICATIONS + 34670 20 PORT 34670 VPWR RESET RCLA VDD R 3 GATE R CLASS UVLO CS R ILIM 4 VIN SS FREQ COMP FB VOUT PORT Figure 22. Non-Isolated Flyback Converter V OUT PORT Analog Integrated Circuit Device Data Freescale Semiconductor = 5V@ ...
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... Table 11. Reference Documents Title ™ IEEE Std 802.3af -2003 MC34670 Usage and Configuration Analog Integrated Circuit Device Data Freescale Semiconductor REFERENCE DOCUMENTS LIterature Order Number IEEE Std 802.3af REFERENCE DOCUMENTS Publication Date ™ -2003 18 June 2003 AN3279 34670 21 ...
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... PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. 34670 22 PACKAGING PACKAGE DIMENSIONS EG SUFFIX (PB-FREE) 20-PIN PLASTIC PACKAGE 98ASB42343B ISSUE J Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... FREQ • Added note to Bandwidth • Changed nomenclature for page 5 • Changed name and value for Analog Integrated Circuit Device Data Freescale Semiconductor REVISION HISTORY Description of Changes UVLO Hysteresis when set internally on page 7, OVLO Threshold, Rising on page 7, and RCLA Reference Voltage (13.5 V ≤ 121 kΩ ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...