L6207N STMicroelectronics, L6207N Datasheet
L6207N
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L6207N Summary of contents
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... MOSFETs and thermal shutdown. V BOOT OVER OCD A CURRENT DETECTION 10V GATE LOGIC ONE SHOT MONOSTABLE OVER CURRENT OCD DETECTION B GATE LOGIC L6207 PowerSO36 ORDERING NUMBERS: L6207N (PowerDIP24) L6207PD (PowerSO36) L6207D (SO24 BOOT OUT1 A OUT2 A 10V SENSE A PWM + MASKING TIME VREF - SENSE A COMPARATOR ...
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L6207 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage S V Differential Voltage between OUT1 , OUT2 , SENSE OUT1 , OUT2 Bootstrap Peak Voltage BOOT V ,V Input ...
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THERMAL DATA Symbol R Maximum Thermal Resistance Junction-Pins th-j-pins R Maximum Thermal Resistance Junction-Case th-j-case R th-j-amb1 Maximum Thermal Resistance Junction-Ambient R th-j-amb1 Maximum Thermal Resistance Junction-Ambient R th-j-amb1 Maximum Thermal Resistance Junction-Ambient R th-j-amb2 Maximum Thermal Resistance Junction-Ambient (1) ...
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L6207 PIN DESCRIPTION PACKAGE SO24/ PowerSO36 Name PowerDIP24 PIN # PIN # 1 10 IN1 2 11 IN2 3 12 SENSE OUT1 18, GND 18 OUT1 9 ...
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PIN DESCRIPTION (continued VREF (6) Also connected at the output drain of the Over current and Thermal protection MOSFET. Therefore, it has to be driven putting in series a resistor with a value in the ...
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L6207 ELECTRICAL CHARACTERISTICS (continued ° 48V, unless otherwise specified) amb s Symbol Parameter Switching Characteristics t Enable to out turn ON delay time D(on)EN t Input to out turn ON delay time D(on)IN t (8) ...
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Figure 1. Switching Characteristic Definition EN V th(ON) V th(OFF) I OUT 90% 10% D01IN1316 Figure 2. Overcurrent Detection Timing Definition I OUT I SOVER ON BRIDGE OFF V EN 90% 10% t FALL t t D(OFF)EN D(ON) ...
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L6207 CIRCUIT DESCRIPTION POWER STAGES and CHARGE PUMP The L6207 integrates two independent Power MOS Full Bridges. Each Power MOS has an Rdson = 0.3ohm (typical value @ 25°C), with intrinsic fast freewheeling diode. Cross conduction protection is achieved using ...
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TRUTH TABLE INPUTS EN IN1 IN2 Don't care High Z = High Impedance Output GND (Vs) = GND during Ton, Vs during Toff ...
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L6207 Figure 8. Output Current Regulation Waveforms I OUT V REF R SENSE V SENSE V REF 2.5V ON SYNCHRONOUS RECTIFICATION OFF D02IN1351 Figure 9 shows the magnitude of the Off Time t culated from the ...
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PWM stage. Furthermore, the on time t RCRISE can not be smaller than the minimum on time t t > 1.5 s (typ. value ...
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L6207 Figure 10. Area where t can vary maintaining the PWM regulation. ON 100 10 1 0.1 SLOW DECAY MODE Figure 11 shows the operation of the bridge in the Slow Decay mode. At the start of the off time, ...
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NON-DISSIPATIVE OVERCURRENT PROTECTION The L6207 integrates an Overcurrent Detection Circuit (OCD). This circuit provides protection against a short circuit to ground or between two phases of the bridge. With this internal over current detection, the external cur- rent sense resistor ...
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L6207 Figure 13. Overcurrent Protection Waveforms I OUT I SOVER th(ON) V th(OFF) ON OCD OFF ON BRIDGE OFF t OCD(ON) 14/23 V EN(LOW DELAY EN(FALL) OCD(OFF) t D(OFF)EN DISABLE ...
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Figure 14. t versus C DISABLE Figure 15. t versus C DELAY 0.1 1 THERMAL PROTECTION In ...
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L6207 APPLICATION INFORMATION A typical application using L6207 is shown in Fig. 16. Typical component values for the application are shown in Table 3. A high quality ceramic capacitor in the range of 100 to 200 nF should be placed ...
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OUTPUT CURRENT CAPABILITY AND IC POWER DISSIPATION In Fig. 17 and Fig. 18 are shown the approximate relation between the output current and the IC power dissipa- tion using PWM current control driving two loads, for two different driving types: ...
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L6207 Figure 19. Mounting the PowerSO package. Slug soldered to PCB with dissipating area Figure 20. PowerSO36 Junction-Ambient thermal resistance versus on-board copper area. º Figure ...
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Figure 23. Typical Quiescent Current vs. Supply Voltage 5 1kHz sw 5.4 5.2 5.0 4.8 4 [V] S Figure 24. Normalized Typical Quiescent Current vs. Switching Frequency Iq / (Iq ...
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L6207 mm DIM. MIN. TYP. MAX. A 3.60 a1 0.10 0.30 0.004 a2 3. 0.10 b 0.22 0.38 0.008 c 0.23 0.32 0.009 D (1) 15.80 16.00 0.622 D1 9.40 9.80 0.370 E 13.90 14.50 0.547 e 0.65 ...
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DIM. MIN. TYP. MAX. MIN. A 4.320 A1 0.380 0.015 A2 3.300 B 0.410 0.460 0.510 0.016 B1 1.400 1.520 1.650 0.055 c 0.200 0.250 0.300 0.008 D 31.62 31.75 31.88 1.245 E 7.620 8.260 0.300 e 2.54 E1 ...
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L6207 mm DIM. MIN. TYP. MAX. A 2.35 2.65 0.093 A1 0.10 0.30 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 15.20 15.60 0.598 ( 7.40 7.60 0.291 e 1.27 H 10.0 10.65 0.394 h 0.25 0;75 ...
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