ZHCS625B DECEMBER 2011 – February 2019 TPS53219A
PRODUCTION DATA.
| PARAMETER | CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| IVDD | VDD supply current | VDD current, TA = 25°C, No Load, VEN = 5 V,
VVFB = 0.630 V |
420 | 590 | µA | |
| IVDDSDN | VDD shutdown current | VDD current, TA=25°C, No Load, VEN=0 V | 10 | µA | ||
| INTERNAL REFERENCE VOLTAGE | ||||||
| VVFB | VFB regulation voltage | VFB voltage, CCM condition(1) | 600 | mV | ||
| VVFB | VFB regulation voltage | TA = 25°C | 597 | 600 | 603 | mV |
| 0°C ≤ TA≤ 85°C | 595.2 | 600 | 604.8 | |||
| -40°C ≤ TA≤ 85°C | 594 | 600 | 606 | |||
| IVFB | VFB input current | VVFB = 0.630V, TA = 25°C | 0.002 | 0.2 | µA | |
| OUTPUT DRIVERS | ||||||
| RDRVH | DRVH resistance | Source, IDRVH = –50 mA | 1.5 | 3 | Ω | |
| Sink, IDRVH = 50 mA | 0.7 | 1.8 | ||||
| RDRVL | DRVL resistance | Source, IDRVL = –50 mA | 1.0 | 2.2 | Ω | |
| Sink, IDRVL = 50 mA | 0.5 | 1.2 | ||||
| tDEAD | Dead time | DRVH-off to DRVL-on | 7 | 17 | 30 | ns |
| DRVL-off to DRVH-on | 10 | 22 | 35 | |||
| LDO OUTPUT | ||||||
| VVREG | LDO output voltage | 0 mA ≤ IVREG ≤ 50 mA | 5.76 | 6.2 | 6.67 | V |
| IVREG | LDO output current(1) | Maximum current allowed from LDO | 50 | mA | ||
| VDO | LDO drop out voltage | VVDD = 4.5 V, IVREG = 50 mA | 364 | mV | ||
| BOOT STRAP SWITCH | ||||||
| VFBST | Forward voltage | VVREG-VBST, IF = 10 mA, TA = 25°C | 0.1 | 0.2 | V | |
| IVBSTLK | VBST leakagecurrent | VVBST = 23 V, VSW = 17 V, TA = 25°C | 0.01 | 1.5 | µA | |
| DUTY AND FREQUENCY CONTROL | ||||||
| tOFF(min) | Minimum off-time | TA = 25°C | 150 | 260 | 400 | ns |
| tON(min) | Minimum ON-time | VIN = 17 V, VOUT = 0.6 V, RRF = 0 Ω to VREG,
TA = 25°C(1) |
35 | ns | ||
| SOFTSTART | ||||||
| tSS | Internal soft-start time | 0 V ≤ VOUT ≤ 95%, RMODE = 39 kΩ | 0.7 | ms | ||
| 0 V ≤ VOUT ≤ 95%, RMODE = 100kΩ | 1.4 | |||||
| 0 V ≤ VOUT ≤ 95%, RMODE = 200 kΩ | 2.8 | |||||
| 0 V ≤ VOUT ≤ 95%, RMODE = 470 kΩ | 5.6 | |||||
| POWERGOOD | ||||||
| VTHPG | PG threshold | PG in from lower | 92.5% | 96% | 98.5% | |
| PG in from higher | 108% | 111% | 114% | |||
| PG hysteresis | 2.5% | 5% | 7.8% | |||
| RPG | PG transistor on-resistance | 15 | 30 | 50 | Ω | |
| tPG(del) | PG delay after soft-start | 0.8 | 1 | 1.2 | ms | |
| LOGIC THRESHOLD AND SETTING CONDITIONS | ||||||
| VEN | EN voltage threshold enable | –40°C ≤ TA≤ 85°C | 1.8 | V | ||
| 0°C ≤ TA≤ 85°C | 1.7 | |||||
| EN voltage threshold disable | 0.5 | |||||
| IEN | EN input current | VEN = 5 V | 1 | µA | ||
| fSW | Switching frequency | RRF = 0 Ω to GND, TA = 25°C(2) | 200 | 250 | 300 | kHz |
| RRF = 187 kΩ to GND, TA = 25°C(2) | 250 | 300 | 350 | |||
| RRF = 619 kΩ to GND, TA = 25°C(2) | 350 | 400 | 450 | |||
| RRF = Open, TA = 25°C(2) | 450 | 500 | 550 | |||
| RRF = 866 kΩ to VREG, TA = 25°C(2) | 580 | 650 | 720 | |||
| RRF = 309 kΩ to VREG, TA = 25°C(2) | 670 | 750 | 820 | |||
| RRF = 124 kΩ to VREG, TA = 25°C(2) | 770 | 850 | 930 | |||
| RRF = 0 Ω to VREG, TA = 25°C(2) | 880 | 970 | 1070 | |||
| VO DISCHARGE | ||||||
| IDischg | VO discharge current | VEN = 0 V, VSW = 0.5 V | 5 | 13 | mA | |
| PROTECTION: CURRENT SENSE | ||||||
| ITRIP | TRIP source current | VTRIP = 1 V, TA = 25°C | 9 | 10 | 11 | µA |
| TCITRIP | TRIP current temp. coef. | TA = 25°C(1) | 4700 | ppm/°C | ||
| VTRIP | Current limit threshold setting range | VTRIP-GND voltage | 0.2 | 3 | V | |
| VOCL | Current limit threshold | VTRIP = 3 V | 355 | 375 | 395 | mV |
| VTRIP = 1.6 V | 185 | 200 | 215 | |||
| VTRIP = 0.2 V | 17 | 25 | 33 | |||
| VOCLN | Negative current limit threshold | VTRIP = 3 V | –406 | –375 | –355 | mV |
| VTRIP = 1.6 V | –215 | –200 | –185 | |||
| VTRIP = 0.2 V | –33 | –25 | –17 | |||
| VAZC(adj) | Auto zero cross adjustable range | Positive | 3 | 15 | mV | |
| Negative | –15 | –3 | ||||
| PROTECTION: UVP AND OVP | ||||||
| VOVP | OVP trip threshold voltage | OVP detect | 115% | 120% | 125% | |
| tOVP(del) | OVP propagation delay time | VFB delay with 50-mV overdrive | 1 | µs | ||
| VUVP | Output UVP trip threshold voltage | UVP detect | 65% | 70% | 75% | |
| tUVP(del) | Output UVP propagation delay time | 0.8 | 1 | 1.2 | ms | |
| tUVP(en) | Output UVP enable delay time | from EN to UVP workable, RMODE = 39 kΩ | 2.00 | 2.55 | 3 | ms |
| UVLO | ||||||
| VUVVREG | VREG UVLO threshold | Wake up | 4 | 4.18 | 4.5 | V |
| Hysteresis | 0.25 | |||||
| THERMAL SHUTDOWN | ||||||
| TSDN | Thermal shutdown threshold | Shutdown temperature(1) | 145 | °C | ||
| Hysteresis(1) | 10 | |||||