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LM21215AMH-1 Scheda tecnica(PDF) 5 Page - Texas Instruments |
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LM21215AMH-1 Scheda tecnica(HTML) 5 Page - Texas Instruments |
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5 / 38 page  LM21215A www.ti.com SNOSB87C – MARCH 2011 – REVISED JANUARY 2016 6.5 Electrical Characteristics Unless otherwise stated, the following conditions apply: VPVIN = VAVIN= 5 V, TJ = 25°C. Minimum and maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C and are provided for reference purposes only. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SYSTEM TJ = –40°C to 125°C –1% 1% VFB Feedback voltage VIN = 2.95 V to 5.5 V V TJ = 25°C 0.6 ΔVOUT/ΔIOUT Load regulation 0.02% VOUT/A ΔVOUT/ΔVIN Line regulation 0.1% VOUT/V TJ = –40°C to 125°C 9 RDSON-HS High-side switch on-resistance ISW = 12 A m Ω TJ = 25°C 7 TJ = –40°C to 125°C 6 RDSON-LS Low-side switch on-resistance ISW = 12 A m Ω TJ = 25°C 4.3 TJ = –40°C to 125°C 17.3 22.8 ICLR HS rising switch current limit A TJ = 25°C 20 ICLF LS falling switch current limit 14 A VZX Zero-cross voltage –8 3 12 mV TJ = –40°C to 125°C 3 IQ Operating quiescent current mA TJ = 25°C 1.5 TJ = –40°C to 125°C 70 ISD Shutdown quiescent current VEN = 0 V µA TJ = 25°C 50 TJ = –40°C to 125°C 2.45 2.95 VUVLO AVIN undervoltage lockout AVIN rising V TJ = 25°C 2.70 TJ = –40°C to 125°C 140 280 VUVLOHYS AVIN undervoltage lockout hysteresis mV TJ = 25°C 200 TJ = –40°C to 125°C –10 20 VTRACKOS SS/TRACK accuracy (VSS/TRK – VFB) 0 < VSS/TRK < 0.55 V mV TJ = 25°C 6 TJ = –40°C to 125°C 1.3 2.5 ISS Soft-start pin source current µA TJ = 25°C 1.9 TJ = –40°C to 125°C 350 675 tINTSS Internal soft-start ramp to Vref SS/TRK open µs TJ = 25°C 500 TJ = –40°C to 125°C 50 200 tRESETSS Device reset to soft-start ramp µs TJ = 25°C 110 OSCILLATOR fSYNCR SYNC frequency range TJ = –40°C to 125°C 300 1500 kHz TJ = –40°C to 125°C 475 525 fDEFAULT Default (no SYNC signal) frequency kHz TJ = 25°C 500 tSY_SW Time from VSYNC falling to VSW rising 200 ns Minimum SYNC pulse width, high or tSY_MIN 100 ns low tHSBLANK HS OCP blanking time Rising edge of SW to ICLR comparison 55 ns tLSBLANK LS OCP blanking time Falling edge of SW to ICLF comparison 400 ns tZXBLANK Zero cross blanking time Falling edge of SW to VZX comparison 120 ns tMINON Minimum HS on-time 140 ns ΔVRAMP PWM ramp peak-peak voltage 0.8 V ERROR AMPLIFIER VOL Error amplifier open-loop gain ICOMP = –65 µA to 1 mA 95 dB GBW Error amplifier gain-bandwidth 11 MHz IFB Feedback pin bias current VFB = 0.6 V 1 nA Copyright © 2011–2016, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM21215A |
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