SLVSD26A April 2016 – January 2017 TPS54202
PRODUCTION DATA.
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
Input voltage range, VI | VIN | –0.3 | 30 | V | |
EN | –0.3 | 7 | V | ||
FB | –0.3 | 7 | V | ||
Output voltage range, VO | BOOT-SW | –0.3 | 7 | V | |
SW | –0.3 | 30 | V | ||
SW (20 ns transient) | –5 | 30 | V | ||
Operating junction temperature, TJ | –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 |
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
VI | Input voltage range | VIN | 4.5 | 28 | V |
EN | –0.1 | 7 | V | ||
FB | –0.1 | 7 | V | ||
VO | Output voltage range | BOOT-SW | –0.1 | 7 | V |
SW | –0.1 | 28 | V | ||
TJ | Operating junction temperature | –40 | 125 | °C |
THERMAL METRIC(1) | TPS54202 | UNIT | |
---|---|---|---|
DDC ( SOT23) | |||
6 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 89.2 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 39.5 | °C/W |
RθJB | Junction-to-board thermal resistance | 14.7 | °C/W |
ψJT | Junction-to-top characterization parameter | 1.2 | °C/W |
ψJB | Junction-to-board characterization parameter | 14.7 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
INPUT SUPPLY | ||||||
VIN | Input voltage range | 4.5 | 28 | V | ||
IQ | Non switching quiescent current | EN =5 V, VFB = 1 V | 45 | µA | ||
IOFF | Shut down current | EN = GND | 2 | µA | ||
VIN(UVLO) | VIN under voltage lockout | Rising VIN | 3.9 | 4.2 | 4.4 | V |
Falling VIN | 3.4 | 3.7 | 3.9 | V | ||
Hysteresis | 400 | 480 | 560 | mV | ||
ENABLE (EN PIN) | ||||||
V(EN_RISING) | Enable threshold | Rising | 1.21 | 1.28 | V | |
V(EN_FALLING) | Falling | 1.1 | 1.19 | V | ||
I(EN_INPUT) | Input current | VEN = 1 V | 0.7 | μA | ||
I(EN_HYS) | Hysteresis current | VEN = 1.5 V | 1.55 | μA | ||
FEEDBACK AND ERROR AMPLIFIER | ||||||
VFB | Feedback Voltage | VIN = 12 V | 0.581 | 0.596 | 0.611 | V |
PULSE SKIP MODE | ||||||
I(SKIP)(1) | Pulse skip mode peak inductor current threshold | VIN = 24 V, VOUT = 5 V, L = 15 µH | 300 | mA | ||
POWER STAGE | ||||||
R(HSD) | High-side FET on resistance | TA = 25°C, VBST – SW = 6 V | 148 | mΩ | ||
R(LSD) | Low-side FET on resistance | TA = 25°C, VIN = 12 | 78 | mΩ | ||
CURRENT LIMIT | ||||||
I(LIM_HS) | High side current limit | 2.5 | 3.2 | 3.9 | A | |
I(LIM_LS) | Low side source current limit | 2 | 3 | 4 | A | |
OSCILLATOR | ||||||
Fsw | Centre switching frequency | 390 | 500 | 590 | kHz | |
OVER TEMPERATURE PROTECTION | ||||||
Thermal Shutdown(1) | Rising temperature | 155 | °C | |||
Hysteresis | 10 | °C | ||||
Hiccup time | 32768 | Cycles |
MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|
OVER CURRENT PROTECTION | ||||||
tHIC_WAIT | Hiccup up wait time | 512 | Cycles | |||
tHIC_RESTART | Hiccup up time before restart | 16384 | Cycles | |||
tSS | Soft-start time | 5 | mS | |||
ON TIME CONTROL | ||||||
tMIN_ON(1) | Minimum on time, measured at 90% to 90% and 1-A loading | 110 | ns |
VIN = 12, unless otherwise specified