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LTM4609 датащи(PDF) 32 Page - Linear Technology |
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LTM4609 датащи(HTML) 32 Page - Linear Technology |
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32 / 38 page ![]() LTM4636-1 32 46361fa For more information www.linear.com/LTM4636-1 TYPICAL APPLICATIONS Figure 28. 12V to 0.9V, A1/60A with Circuit Breaker Front End and Overtemperature and Overvoltage Protection 46361 F28 1k 0.001 10nF 20k 10k SOURCE SENSE– SENSE+ GND GATE LTC4218 FB VDD UV OV IMON TIMER INTVCC FLT PG ISET PGOOD 10 M2 PSMN2R0-30YLE RSENSE TRIP = 15mV, 30A KELVIN SENSE 107k 10k 100k TRIP 10k 7.5k ON OFF AUX_UV1 9.53k SMBJ16A 0.1µF 1000pF 0.01µF 0.01µF 20k INPUT CURRENT MONITOR GRN LED GRN LED 9V TO 14V INPUT 0.001 10k RED LED RED LED IN LT1761-5 SHDN OUT BYP GND 0.47µF 10µF 5VBIAS + COMPA COMPB TK/SS RUNC RUNP HIZREG OVP_SET OTP_SET OTP_SET TEMP+ TEMP– SNSP1 SNSP2 SGND VIN 34.8k 22µF 100k M1 0.01µF 100k VOLTAGE OUT TEMP MONITOR 22µF 16V 22µF 16V 22µF 16V 150µF 35V 9V TO 14V 9V TO 14V 9V TO 14V INTVCC2 RUNC RUNP CLK2 CLK1 COMP TK/SS OPTIONAL TEMP MONITOR FOR TELEMETRY READBACK ICs INTVCC INTVCC2 5V PVCC2 5V U2 LTM4636 PVCC PGND VFB VOUTS1– VFB BIAS PWM2 TP 470µF 6.3V + 470µF 6.3V 100µF 6.3V ×3 GND_SNS 2.2, 0805 2200pF 2.2, 0805 2200pF VOUT + COMPA COMPB TEMP+ TEMP– SNSP1 SNSP2 SGND VIN 34.8k 4.99k 5V PVCC1 VOLTAGE OUT TEMP MONITOR CSS 0.47µF 0.47µF TRIP INTVCC1 RUNC RUNP CLK1 COMP OPTIONAL TEMP MONITOR FOR TELEMETRY READBACK ICs INTVCC INTVCC1 U1 LTM4636 PGND VFB VFB PWM1 TP 470µF 6.3V RFB 10k + 470µF 6.3V 100µF 6.3V ×3 VOUTS1– VOUTS1+ 0.9V AT 160A + COMPA COMPB TK/SS RUNC RUNP HIZREG TMON PWM SW VOUT TEMP+ TEMP– SNSP1 SNSP2 SGND VIN 34.8k GND_SNS VOLTAGE OUT TEMP MONITOR INTVCC3 RUNC RUNP CLK3 CLK2 TK/SS COMP OPTIONAL TEMP MONITOR FOR TELEMETRY READBACK ICs PINS NOT USED IN CIRCUIT U2: PGOOD, TEST1, TEST2, TEST3, TEST4, VOUTS1, GMON PINS NOT USED IN CIRCUIT U1: PGOOD, TEST1, TEST2, TEST3, TEST4, GMON, OVP_TEMP, OVP_SET, CROWBAR PINS NOT USED IN CIRCUIT U3: PGOOD, TEST1, TEST2, TEST3, TEST4, VOUTS1, GMON, OVP_TEMP, OVP_SET, CROWBAR PINS NOT USED IN CIRCUIT U4: PGOOD, TEST1, TEST2, TEST3, TEST4, VOUTS1, GMON, OVP_TEMP, OVP_SET, CROWBAR, CLKOUT INTVCC INTVCC3 U3 LTM4636 PGND VFB VFB PWM3 TP 470µF 6.3V + 470µF 6.3V 100µF 6.3V ×3 GND_SNS 2.2, 0805 2200pF + COMPA COMPB TK/SS RUNC RUNP HIZREG TMON PWM SW VOUT TEMP+ TEMP– SNSP1 SNSP2 SGND VIN 34.8k VOLTAGE OUT TEMP MONITOR INTVCC4 RUNC RUNP CLK3 COMP TK/SS OPTIONAL TEMP MONITOR FOR TELEMETRY READBACK ICs INTVCC INTVCC4 U4 LTM4636 PGND VFB VOUTS1– VFB PWM4 TP 470µF 6.3V 470µF 6.3V 100µF 6.3V ×3 GND_SNS 2.2, 0805 2200pF 100pF VOUTS1– + 22µF 16V 22µF 16V 22µF 16V 22µF 16V 22µF 16V 22µF 16V 22µF 16V 22µF 16V 22µF 16V PHMODE FREQ MODE/PLLIN CLKOUT OVER_TEMP 66.5k (130°C) 22µF 5V PVCC1 5V PVCC BIAS 66.5k 22µF 5V PVCC3 5V PVCC BIAS 66.5k OTP_SET 22µF 5V PVCC4 5V PVCC BIAS 66.5k OTP_SET TMON PWM SW VOUT VOUT TMON CROWBAR PWM SW + RUNC RUNP TK/SS SGND M1: 5UD50N03-07 OVER_TEMP OVP_TRIP TRIP OVER_TEMP TRIP OVER_TEMP TRIP PHMODE FREQ MODE/PLLIN CLKOUT PHMODE FREQ MODE/PLLIN CLKOUT PHMODE FREQ MODE/PLLIN 0.1 1210 HIZREG |
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