ZHCSB48B May 2013 – January 2019 TPS55330
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| VIN | Input voltage range | 2.9 | 16 | V | ||
| IQ | Operating quiescent current into VIN | Device non-switching, VFB = 2 V | 0.5 | mA | ||
| ISD | Shutdown current | EN = GND | 2.7 | 10 | µA | |
| VUVLO | Under-voltage lockout threshold | VIN falling | 2.5 | 2.7 | V | |
| Vhys | Under-voltage lockout hysteresis | 120 | 140 | 160 | mV | |
| ENABLE AND REFERENCE CONTROL | ||||||
| VEN(r) | EN threshold voltage | EN rising input | 0.9 | 1.08 | 1.30 | V |
| VEN(f) | EN threshold voltage | EN falling input | 0.74 | 0.92 | 1.125 | V |
| VENh | EN threshold hysteresis | 0.16 | V | |||
| REN | EN pulldown resistor | 400 | 950 | 1600 | kΩ | |
| Toff | Shutdown delay, SS discharge | EN high to low | 1.0 | ms | ||
| VSYNh | SYN logic high voltage | 1.2 | ||||
| VSYNl | SYN logic low voltage | 0.4 | V | |||
| VOLTAGE AND CURRENT CONTROL | ||||||
| VREF | Voltage feedback regulation voltage | 1.204 | 1.229 | 1.254 | V | |
| TA = 25°C | 1.220 | 1.229 | 1.238 | |||
| IFB | Voltage feedback input bias current | TA = 25°C | 1.6 | 20 | nA | |
| Isink | Comp pin sink current | VFB = VREF + 200 mV, VCOMP = 1 V | 42 | µA | ||
| Isource | Comp pin source current | VFB = VREF – 200 mV, VCOMP = 1 V | 42 | µA | ||
| VCCLP | Comp pin Clamp Voltage | High Clamp, VFB = 1 V
Low Clamp, VFB = 1.5 V |
3.1
0.75 |
V | ||
| VCTH | Comp pin threshold | Duty cycle = 0% | 1.04 | V | ||
| Gea | Error amplifier transconductance | 240 | 360 | 440 | µS | |
| Rea | Error amplifier output resistance | 10 | MΩ | |||
| fea | Error amplifier crossover frequency | 500 | kHz | |||
| FREQUENCY | ||||||
| fSW | Frequency | RFREQ = 480 kΩ | 75 | 94 | 130 | kHz |
| RFREQ = 80 kΩ | 460 | 577 | 740 | |||
| RFREQ = 40 kΩ | 920 | 1140 | 1480 | |||
| Dmax | Maximum duty cycle | VFB = 1.0 V, RFREQ = 80 kΩ | 89% | 96% | ||
| VFREQ | FREQ pin voltage | 1.25 | V | |||
| Tmin_on | Minimum on pulse width | RFREQ = 80 kΩ | 77 | ns | ||
| POWER SWITCH | ||||||
| RDS(ON) | N-channel MOSFET on-resistance | VIN = 5 V
VIN = 3 V |
60
70 |
110
120 |
mΩ | |
| ILN_NFET | N-channel leakage current | VDS = 25 V, TA = 25°C | 2.1 | µA | ||
| OCP and SS | ||||||
| ILIM | N-Channel MOSFET current limit | D = Dmax | 5.25 | 6.6 | 7.75 | A |
| ISS | Soft-start bias current | VSS = 0 V | 6 | µA | ||
| THERMAL SHUTDOWN | ||||||
| Tshutdown | Thermal shutdown threshold | 165 | °C | |||
| Thysteresis | Thermal shutdown threshold hysteresis | 15 | °C | |||