SLVSD38C November 2015 – August 2021 TPS61089
PRODMIX
VIN = 2.7 V to 5.5 V, VOUT = 9 V, TJ = –40°C to 125°C. Typical values are at TJ = 25°C, unless otherwise noted.
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
POWER SUPPLY | ||||||
VIN | Input voltage range | 2.7 | 12 | V | ||
VIN_UVLO | Input voltage undervoltage lockout (UVLO) threshold | VIN rising | 2.7 | V | ||
VIN falling | 2.4 | 2.5 | V | |||
VIN_HYS | VIN UVLO hysteresis | 200 | mV | |||
VCC | VCC regulation voltage | ICC = 2 mA, VIN = 8 V | 5.8 | V | ||
VCC_UVLO | VCC UVLO threshold | VCC falling | 2.1 | V | ||
IQ | Quiescent current into VIN pin | IC enabled, No load, VIN = 2.7 V to 5.5 V, VFB = 1.3 V, VOUT = 12 V, TJ ≤ 85°C | 1 | 3 | µA | |
Quiescent current into VOUT pin | IC enabled, No load, VIN = 2.7 V to 5.5 V, VFB = 1.3 V, VOUT = 12 V, TJ ≤ 85°C | 100 | 180 | µA | ||
ISD | Shutdown current into VIN pin | IC disabled, VIN = 2.7 V to 5.5 V, TJ ≤ 85°C | 1 | 3 | µA | |
OUTPUT | ||||||
VOUT | Output voltage range | 4.5 | 12.6 | V | ||
VREF | Reference voltage at FB pin | PWM mode | 1.188 | 1.212 | 1.236 | V |
PFM mode | 1.224 | V | ||||
IFB_LKG | Leakage current into FB pin | VFB = 1.2 V | 100 | nA | ||
VOVP | Output overvoltage protection threshold | VOUT rising | 12.7 | 13.2 | 13.6 | V |
VOVP_HYS | Output overvoltage protection hysteresis | VOUT falling below VOVP | 0.25 | V | ||
tSS | Soft startup time | COUT(effective) = 47 µF, IOUT = 0 A | 2 | 4 | 6 | ms |
ERROR AMPLIFIER | ||||||
ISINK | COMP pin sink current | VFB = VREF + 200 mV, VCOMP = 1.9 V | 20 | µA | ||
ISOURCE | COMP pin source current | VFB = VREF – 200 mV, VCOMP = 1.9 V | 20 | µA | ||
VCCLP_H | High clamp voltage at the COMP pin | VFB = 1 V, RILIM = 127 kΩ | 2.3 | V | ||
VCCLP_L | Low clamp voltage at the COMP pin | VFB = 1.4 V, RILIM = 127 kΩ | 1.4 | V | ||
GEA | Error amplifier transconductance | VCOMP = 1.9 V | 190 | µS | ||
POWER SWITCH | ||||||
RDS(on) | High-side MOSFET on-resistance | VCC = 6 V | 27 | 44 | mΩ | |
Low-side MOSFET on-resistance | VCC = 6 V | 19 | 31 | mΩ | ||
SWITCHING FREQUENCY | ||||||
fSW | Switching frequency | RFSW = 301 kΩ | 500 | kHz | ||
RFSW = 46.4 kΩ | 2000 | kHz | ||||
tON_min | Minimum on time | VCC = 6 V | 90 | 180 | ns | |
CURRENT LIMIT | ||||||
ILIM | Peak switch current limit, TPS61089 | RILIM = 127 kΩ | 7.3 | 8.1 | 8.9 | A |
RILIM = 100 kΩ | 9.0 | 10 | 11 | A | ||
VILIM | Internal reference voltage at ILIM pin | 1.212 | V | |||
EN LOGIC INPUT | ||||||
VEN_H | EN Logic high threshold | 1.2 | V | |||
VEN_L | EN Logic Low threshold | 0.4 | V | |||
REN | EN pulldown resistor | 800 | kΩ | |||
PROTECTION | ||||||
TSD | Thermal shutdown threshold | TJ rising | 150 | °C | ||
TSD_HYS | Thermal shutdown hysteresis | TJ falling below TSD | 20 | °C |