SLVSA85E June 2010 – December 2016 TPS61187
PRODUCTION DATA.
MIN | MAX | UNIT | ||
---|---|---|---|---|
Voltage range(2) | VIN, FAULT | –0.3 | 24 | V |
FPO | –0.3 | 7 | V | |
SW | –0.3 | 40 | V | |
EN, PWM, IFB1 to IFB4 | –0.3 | 20 | V | |
VDDIO | –0.3 | 3.7 | V | |
All other pins | –0.3 | 3.6 | V | |
Continuous power dissipation | See Thermal Information | |||
Operating junction temperature range | –40 | 150 | °C | |
Storage temperature range, Tstg | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±4000 | V |
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | ±1500 | |||
Machine model | 200 |
MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|
VIN | Input voltage | 4.5 | 24 | V | |
VOUT | Output voltage | VIN | 38 | V | |
L1 | Inductor, 600-kHz to 1-MHz switching frequency | 10 | 22 | µH | |
L1 | Inductor, 300-kHz to 600-kHz switching frequency | 22 | 47 | µH | |
CI | Input capacitor | 1 | µF | ||
CO | Output capacitor | 1 | 4.7 | 10 | µF |
FPWM_O | IFBx PWM dimming frequency - frequency programmable mode | 0.1 | 22(1) | KHz | |
FPWM_O | IFBx PWM dimming frequency - direct PWM mode | 0.1 | 50 | KHz | |
FPWM_I | PWM input signal frequency | 0.1 | 22 | KHz | |
FBOOST | Boost regulator switching frequency | 300 | 1000 | KHz | |
TA | Operating free-air temperature | –40 | 85 | °C | |
TJ | Operating junction temperature | –40 | 125 | °C |
THERMAL METRIC(1) | TPS61187 | UNIT | |
---|---|---|---|
RTJ (WQFN) | |||
20 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 39.9 | °C/W |
RθJC(top) | Junction-to-case(top) thermal resistance | 34.0 | °C/W |
RθJB | Junction-to-board thermal resistance | 9.9 | °C/W |
ψJT | Junction-to-top characterization parameter | 0.6 | °C/W |
ψJB | Junction-to-board characterization parameter | 9.5 | °C/W |
RθJC(bottom) | Junction-to-case(bottom) thermal resistance | 2 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
SUPPLY CURRENT | ||||||
VIN | Input voltage range | 4.5 | 24 | V | ||
IQ_VIN | Operating quiescent current into VIN | Device enable, switching 1 MHz and no load, VIN = 24 V |
4 | mA | ||
VDDIO | VDDIO pin output voltage | ILOAD = 5 mA | 3 | 3.3 | 3.6 | V |
ISD | Shutdown current | VIN = 12 V , EN = low | 11 | µA | ||
VIN = 24 V, EN = low | 16 | |||||
VIN_UVLO | VIN undervoltage lockout threshold | VIN ramp down | 3.5 | V | ||
VIN ramp up | 3.75 | |||||
VIN_Hys | VIN undervoltage lockout hysterisis | 250 | mV | |||
PWM | ||||||
VH | EN logic high threshold | EN | 2.1 | V | ||
VL | EN logic low threshold | EN | 0.8 | |||
VH | PWM logic high threshold | PWM | 2.1 | |||
VL | PWM logic low threshold | PWM | 0.8 | |||
RPD | Pulldown resistor on PWM and EN | 400 | 800 | 1600 | kΩ | |
CURRENT REGULATION | ||||||
VISET | ISET pin voltage | 1.204 | 1.229 | 1.253 | V | |
KISET | Current multiplier | 980 | ||||
IFB | Current accuracy | IISET = 20 µA, 0°C to 70°C | –2% | 2% | ||
IISET = 20 µA, –40°C to 85°C | –2.3% | 2.3% | ||||
Km | (Imax–Imin) / IAVG | IISET = 20 µA | 1.3% | |||
Ileak | IFB pin leakage current | IFB voltage = 15 V, each pin | 2 | 5 | µA | |
IFB voltage = 5 V, each pin | 1 | 2 | ||||
IIFB_max | Current sink max output current | IFB = 350 mV | 30 | mA | ||
fdim | PWM dimming frequency | RFPWM = 9.09 kΩ | 20 | kHz | ||
BOOST OUTPUT REGULATION | ||||||
VIFB_L | Output voltage up threshold | Measured on VIFB(min) | 350 | mV | ||
VIFB_H | Ouput voltage down threshold | Measured on VIFB(min) | 650 | mV | ||
POWER SWITCH | ||||||
RPWM_SW | PWM FET on-resistance | VIN = 12 V | 0.25 | 0.35 | Ω | |
ILN_NFET | PWM FET leakage current | VSW = 40 V, TA = 25°C | 2 | µA | ||
OSCILLATOR | ||||||
fS | Oscillator frequency | RFSW = 499 kΩ | 0.8 | 1 | 1.2 | MHz |
Dmax | Maximum duty cycle | IFB = 0 | 94% | |||
OC, SC, OVP, AND SS | ||||||
ILIM | N-channel MOSFET current limit | D = Dmax | 2 | 3 | A | |
VCLAMP_TH | Ouput voltage clamp program threshold | 1.90 | 1.95 | 2 | V | |
VOVP_IFB | IFB overvoltage threshold | Measured on the IFBx pin, IFB on | 12 | 13.5 | 15 | V |
FPO, FAULT | ||||||
VFPO_L | FPO Logic low voltage | I_SOURCE = 0.5 mA | 0.4 | V | ||
VFAULT_HIGH | Fault high voltage | Measured as VIN – VFAULT | 0.1 | V | ||
VFAULT_LOW | Fault low voltage | Measured as VIN – VFAULT , Sink, 10 µA | 6 | 8 | 10 | V |
IFAULT | Maximum sink current | VIN – VFAULT = 0 V | 20 | µA | ||
THERMAL SHUTDOWN | ||||||
Tshutdown | Thermal shutdown threshold | 150 | °C | |||
Thermal shutdown hysteresis | 15 |
TITLE | DESCRIPTION | FIGURE |
---|---|---|
Dimming linearity | VOUT = 32 V, VIN = 8 V, 12 V, 24 V, FDIM = 20 KHz, L = 10 µH, RISET = 62 kΩ | Figure 1 |
Dimming linearity | VOUT = 32 V, VIN = 8 V, 12 V, 24 V, FDIM = 200 Hz, L = 10 µH, RISET = 62 kΩ | Figure 2 |
Boost switching frequency | VIN = 12 V, VOUT = 33.8 V, L = 10 µH, RISET = 62 kΩ | Figure 3 |
Phase shift dimming frequency | VIN = 12 V, VOUT = 33.8 V, L = 10 µH, RISET = 62 kΩ | Figure 4 |
Switch waveform | VIN = 8 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 100%, L = 10 µH, RISET = 62 kΩ | Figure 5 |
Switch waveform | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 100%, L = 10 µH, RISET = 62 kΩ | Figure 6 |
Phase shift PWM dimming FDIM = 200Hz, duty = 50% | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 45%, L = 10 µH, RISET = 62 kΩ | Figure 7 |
Phase shift PWM dimming FDIM = 20KHz, duty = 50% | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 51%, L = 10 µH, RISET = 62 kΩ | Figure 8 |
Output ripple of Phase shift PWM dimming | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 50%, L = 10 µH, RISET = 62 kΩ | Figure 9 |
Output ripple of Phase shift PWM dimming | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 70%, L = 10 µH, RISET = 62 kΩ | Figure 10 |
Start-up waveform | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 100%, L = 10 µH, RISET = 62 kΩ | Figure 11 |
Start-up waveform | VIN = 12 V, VOUT = 33.8 V, FDIM = 20 kHz, Duty = 50%, L = 10 µH, RISET = 62 kΩ | Figure 12 |