ZHCSGJ0B May 2017 – March 2018 TPS543B20
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |||
|---|---|---|---|---|---|---|---|---|
| MOSFET RDS(ON) | ||||||||
| RDS(on)HS | HS FET | VBST – VSW = 5 V, ID = 20 A, Tj = 25°C | 4.1 | mΩ | ||||
| RDS(on)LS | LS FET | VDD = 5 V, ID = 20 A, Tj = 25°C | 1.9 | mΩ | ||||
| tDEAD(LtoH) | Power stage driver dead-time from Low-side off to High-side on(1) | VDD ≥ 12 V, TJ = 25°C | 12 | ns | ||||
| tDEAD(HtoL) | Power stage driver dead-time from High-side off to Low-side on(1) | VDDN ≥ 12 V, TJ = 25°C | 15 | ns | ||||
| INPUT SUPPLY and CURRENT | ||||||||
| VVIN | Power stage voltage | 4 | 19 | |||||
| VVDD | VDD supply voltage | 4 | 22 | |||||
| IVDD | VDD bias current | TA = 25°C, no load, power conversion enabled (no switching) | 4.3 | mA | ||||
| IVDDSTBY | VDD standby current | TA = 25°C, no load, power conversion disabled | 4.3 | mA | ||||
| UNDERVOLTAGE LOCKOUT | ||||||||
| VVDD_UVLO | VDD UVLO rising threshold | 3.8 | V | |||||
| VVDD_UVLO_HYS | VDD UVLO hysteresis | 0.2 | v | |||||
| VVIN_UVLO | VIN UVLO rising threshold | 3.2 | V | |||||
| VVIN_UVLO_HYS | VIN UVLO hysteresis | 0.2 | v | |||||
| VEN_ON_TH | EN on threshold | 1.45 | 1.6 | 1.75 | V | |||
| VHYS | EN hysteresis | 270 | 300 | 330 | mV | |||
| IEN_LKG | EN input leakage current | –1 | 0 | 1 | µA | |||
| INTERNAL REFERENCE VOLTAGE | ||||||||
| VINTREF | Internal REF voltage | RVSEL = OPEN | 1000 | mV | ||||
| VINTREFTOL | Internal REF voltage tolerance | TJ = -40°C to 125°C | –0.5% | +0.5% | ||||
| VINTREF_VSEL | Internal REF voltage range | Programable by VSEL (pin 36) | 0.6 | 1.1 | V | |||
| OUTPUT VOLTAGE | ||||||||
| IRSP | RSP input current | VRSP= 600 mV | –1 | 1 | µA | |||
| DIFFERENTIAL REMOTE SENSE AMPLIFIER | ||||||||
| fUGBW | Unity gain bandwidth(1) | 5 | 8.5 | MHz | ||||
| A0 | Open loop gain(1) | 75 | dB | |||||
| SR | SLew rate(1) | ±10 | V/µs | |||||
| VICM | Input common mode range(1) | –0.2 | 1.7 | V | ||||
| VOFFSET | Input offset voltage(1) | VRSN-VGND = 0 mV | –1 | 1 | mV | |||
| VRSN-VGND = ±100 mV | –1.9 | 1.9 | ||||||
| SWITCHING FREQUENCY | ||||||||
| FSW | VO switching frequency maximum frequency for multi-phase is 1MHz | VIN = 12 V, VVO= 1 V, RT = 66.5 kΩ | 300 | kHz | ||||
| VIN = 12 V, VVO = 1 V, RT = 48.7 kΩ | 400 | |||||||
| VIN = 12 V, VVO = 1 V, RT = 39.2 kΩ | 500 | |||||||
| VIN = 12 V, VVO= 1 V, RT = 28.0 kΩ | 700 | |||||||
| VIN = 12 V, VVO= 1 V, RT = 22.6 kΩ | 850 | |||||||
| VIN = 12 V, VVO = 1 V, RT = 19.1 kΩ | 1000 | |||||||
| VIN = 12 V, VVO = 1 V, RT = 15.4 kΩ | 1200 | |||||||
| VIN = 12 V, VVO = 1 V, RT = 8.06 kΩ | 2000 | |||||||
| tON(min) | Minimum on-time(1) | DRVH rising to falling | 30 | ns | ||||
| tOFF(min) | Minimum off-time(1) | DRVH falling to rising | 250 | ns | ||||
| INTERNAL BOOTSTRAP SWITCH | ||||||||
| VF | Forward voltage | VBP-VBST, TA= 25°C, IF= 5 mA | 0.1 | 0.2 | V | |||
| VSEL | ||||||||
| VSEL | Internal reference voltage | RVSEL= 0 kΩ | 0.6 | V | ||||
| RVSEL= 8.66 kΩ | 0.7 | |||||||
| RVSEL= 15.4 kΩ | 0.75 | |||||||
| RVSEL= 23.7 kΩ | 0.8 | |||||||
| RVSEL= 34.8 kΩ | 0.85 | |||||||
| RVSEL= 51.1 kΩ | 0.9 | |||||||
| RVSEL= 78.7 kΩ | 0.95 | |||||||
| RVSEL= OPEN | 1 | |||||||
| RVSEL= 121 kΩ | 1.05 | |||||||
| RVSEL= 187 kΩ | 1.1 | |||||||
| SOFT START | ||||||||
| tSS | Soft-start time | VO rising from 0 V to 95% of final set point | RSS = 0 kΩ | 0.5 | ms | |||
| RSS = 8.66 kΩ | 1 | |||||||
| RSS = 15.4 kΩ | 2 | |||||||
| RSS = Open | 4 | |||||||
| RSS = 23.7 kΩ | 5 | |||||||
| RSS = 34.8 kΩ | 8 | |||||||
| RSS = 51.1 kΩ | 12 | |||||||
| RSS = 78.7 kΩ | 16 | |||||||
| RSS = 121 kΩ | 24 | |||||||
| RSS = 187 kΩ | 32 | |||||||
| POWER ON DELAY | ||||||||
| tPODLY | Power-on delay time | Delay from enable to switching | 512 | µs | ||||
| PGOOD COMPARATOR | ||||||||
| VPG(thresh) | OV warning threshold on RSP pin, PGOOD fault threshold on rising | VREF = 600 mV | 108 | 112 | 116 | %VREF | ||
| UV warning threshold on RSP pin, PGOOD fault threshold on falling | VREF = 600 mV | 84 | 88 | 92 | ||||
| VPGD(rise) | PGOOD threshold on rising and UV warning threshold de-assertion threshold at RSP pin | VREF = 600 mV | 95 | %VREF | ||||
| VPGD(fall) | PGOOD threshold on falling and OV warning threshold de-assertion threshold at RSP pin | VREF = 600 mV | 105 | %VREF | ||||
| RPGD | PGOOD pulldown resistance | IPGOOD = 5 mA, VRSP = 0 V | 30 | 45 | 60 | Ω | ||
| tPGDLY | PGOOD delay time | Delay for PGOOD going in | 1.024 | ms | ||||
| Delay for PGOOD coming out | 2 | µs | ||||||
| VPGD(OL) | PGOOD output low level voltage at no supply voltage | VDD=0, IPGOOD = 80 µA | 0.8 | V | ||||
| IPGLK | PGOOD leakage current | VPGOOD = 5 V | 15 | µA | ||||
| CURRENT SHARE ACCURACY | ||||||||
| ISHARE(acc) | Output current sharing accuracy among stackable devices, defined as the ratio of the current difference between devices to total current(sensing error only)(1) | IOUT ≥ 20 A/phase | –15% | 15% | ||||
| IOUT ≤ 20 A/phase | ±3 | A | ||||||
| CURRENT DETECTION | ||||||||
| VILIM | VTRIP voltage range | Rdson sensing | 0.1 | 1.2 | V | |||
| IOCP | Low-side FET current protection threshold and tolerance | RILIM= 48.7 kΩ | 20 | A | ||||
| OC tolerance | ±15% | |||||||
| IOCP_N | Negative current limit threshold | Valley-point current sense | –23 | A | ||||
| ICLMP_LO | Clamp current at VTRIP clamp at lowest | 25°C, VTRIP = 0.1 V | 5.5 | 6.5 | 7.5 | A | ||
| HIGH-SIDE SHORT-CIRCUIT PROTECTION | ||||||||
| IHSOC | High-side short circuit protection fault threshold(1) | 45 | A | |||||
| OV / UV PROTECTION | ||||||||
| VOVP | OVP threshold voltage | OVP detect voltage | 113 | 117 | 121 | %VREF | ||
| tOVPDLY | OVP response time(1) | OVP response time with 100-mV overdrive | 1 | µs | ||||
| VUVP | UVP threshold voltage | UVP detect voltage | 79 | 83 | 87 | %VREF | ||
| tUVPDLY | UVP delay(1) | UVP delay | 1.5 | µs | ||||
| tHICDLY | Hiccup delay time | Regular tSS setting | 7 × tSS | ms | ||||
| BP LDO REGULATOR | ||||||||
| BP | LDO output voltage | VIN = 12 V, ILOAD = 0 to 10 mA | 4.5 | 5 | 5.5 | V | ||
| VBPUVLO | BP UVLO threshold voltage | Wakeup | 3.32 | V | ||||
| Shutdown | 3.11 | |||||||
| VLDOBP | LDO low dropout voltage | VIN= 4.5 V, ILOAD= 30 mA, TA = 25°C | 365 | mV | ||||
| ILDOMAX | LDO overcurrent limit | VIN= 12 V, TA = 25°C | 100 | mA | ||||
| SYNCHRONIZATION | ||||||||
| VIH(SYNC) | High-level input voltage | 2 | V | |||||
| VIL(SYNC) | Low-level input voltage | 0.8 | ||||||
| tPSW(SYNC) | Sync input minimum pulse width | 100 | ns | |||||
| FSYNC | Synchronization frequency | 300 | 2000 | kHz | ||||
| Dual-phase | 300 | 1000 | ||||||
| tSYNC to SW | Sync to SW delay tolerance, percentage from phase-to-phase(1) | FSYNC = 300 kHz to 1 MHz, | 10% | |||||
| tLose_SYNC_delay | Delay when lose sync clock(1) | FSYNC = 300 kHz | 5 | µs | ||||
| THERMAL SHUTDOWN | ||||||||
| TSDN | Built-in thermal shutdown threshold(1) | Shutdown temperature | 155 | 165 | °C | |||
| Hysteresis | 30 | |||||||