SLVS441D December 2002 – December 2014 TPS61042
PRODUCTION DATA.
請(qǐng)參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V(VIN) | Supply voltages (2) | –0.3 | 7 | V |
| V(Rs) , V(CTRL), V(FB) | Voltages | –0.3 | Vin + 0.3 | V |
| V(SW), V(LED) | Voltages(2) | 30 | V | |
| V(OVP) | Voltage | 30 | V | |
| Continuous power dissipation | See Thermal Information Table | |||
| Operating junction temperature range | –40 | 150 | °C | |
| Storage temperature, TSTG | –65 | 150 | °C | |
| VALUE | UNIT | |||
|---|---|---|---|---|
| V(ESD) | Electrostatic discharge | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±2000 | V |
| Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | ±750 | |||
| MIN | TYP | MAX | UNIT | ||
|---|---|---|---|---|---|
| VI | Input voltage range | 1.8 | 6 | V | |
| Vs | Output voltage range | VIN | 27.5 | V | |
| VSW | Switch voltage | 30 | V | ||
| I(LED) | Maximum LED switch current | 60 | mA | ||
| L | Inductor(1) | 4.7 | µH | ||
| f | Switching frequency(1) | 1 | MHz | ||
| CI | Input capacitor(1) | 4.7 | µF | ||
| CO | Output capacitor(1) | 100 | nF | ||
| TA | Operating ambient temperature | –40 | 85 | °C | |
| TJ | Operating junction temperature | –40 | 125 | °C | |
| THERMAL METRIC(1) | TPS61042 | UNIT | |
|---|---|---|---|
| DRB PACKAGE | |||
| 8 PINS | |||
| RθJA | Junction-to-ambient thermal resistance | 48.6 | °C/W |
| RθJC(top) | Junction-to-case (top) thermal resistance | 66.9 | |
| RθJB | Junction-to-board thermal resistance | 23.8 | |
| ψJT | Junction-to-top characterization parameter | 1.5 | |
| ψJB | Junction-to-board characterization parameter | 23.9 | |
| RθJC(bot) | Junction-to-case (bottom) thermal resistance | 5.2 | |
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| VI | Input voltage range | 1.8 | 6.0 | V | ||
| I(Q) | Operating quiescent current into VIN | IO = 0 mA, not switching | 38 | 65 | µA | |
| IO(sd) | Shutdown current | CTRL = GND | 0.1 | 1 | µA | |
| VUVLO | Under-voltage lockout threshold | VI falling | 1.5 | 1.7 | V | |
| CTRL | ||||||
| VIH | CTRL high level input voltage | 1.3 | V | |||
| VIL | CTRL low level input voltage | 0.3 | V | |||
| IIkg | CTRL input leakage current | CTRL = GND or VIN | 0.1 | µA | ||
| ton | Minimum CTRL pulse width to enable | CTRL = low to high | 50 | µs | ||
| toff | Minimum CTRL pulse width to disable | CTRL = high to low | 10 | 32 | ms | |
| f(CTRL) | PWM switching frequency applied to CTRL | 0.1 | 50 | kHz | ||
| D(CTRL) | PWM duty cycle applied to CTRL | 1% | 100% | |||
| POWER SWITCH AND CURRENT LIMIT (SW) | ||||||
| VS | Maximum switch voltage | 30 | V | |||
| rds(ON) | MOSFET on-resistance | VI = 3.6 V; I(SW) = 200 mA | 300 | 600 | mΩ | |
| Ilkg | MOSFET leakage current | V(SW) = 28 V | 0.1 | 10 | µA | |
| ILIM | MOFSET current limit | 400 | 500 | 600 | mA | |
| LED SWITCH AND CURRENT LIMIT (LED) | ||||||
| VS | Maximum switch voltage | 30 | V | |||
| rds(ON) | MOSFET on-resistance | VI = 3.6 V; IS = 20 mA | 1 | 2 | Ω | |
| Ilkg | MOSFET leakage current | V(LED)= 28 V | 0.1 | 10 | µA | |
| OUTPUT | ||||||
| VO | Output voltage range | VI | 27.5 | V | ||
| I(FB) | Feedback input bias current(1) | V(FB) = 0.252 V | 100 | nA | ||
| VFB | Feedback trip point voltage | 1.8 V ≤ VI≤ 6 V | 244 | 252 | 260 | mV |
| V(OVP) | Output overvoltage protection | VO rising | 27.5 | 29 | 30 | V |
| Vhys(OVP) | Output overvoltage protection hysteresis | 5 | 7 | V | ||
| I(OVP) | OVP input current | VO = 15 V | 9 | 12 | µA | |
| FIGURE | |||
|---|---|---|---|
| η | Efficiency | vs LED current | Figure 1 |
| vs Input voltage | Figure 2 | ||
| IQ | Operating Quiescent Current into VIN | vs Input voltage and Temperature | Figure 3 |
| V(FB) | Feedback voltage | vs Temperature | Figure 4 |
| I(FB) | Feedback current | vs Temperature | Figure 5 |
| rds(on) | Main switch Q1 | vs Temperature | Figure 6 |
| vs Input voltage | Figure 7 | ||
| LED switch Q2 | vs Temperature | Figure 8 | |
| vs Input voltage | Figure 9 | ||
| ILED | Average LED current | vs PWM duty cycle on CTRL pin | Figure 10 |









