ZHCSJF8F December 2008 – April 2019 TPS61175
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||
| VIN | Input voltage range | 2.9 | 18 | V | ||
| IQ | Operating quiescent current into Vin | Device PWM switching without load | 3.5 | mA | ||
| ISD | Shutdown current | EN=GND | 1.5 | μA | ||
| VUVLO | Under-voltage lockout threshold | 2.5 | 2.7 | V | ||
| Vhys | Under-voltage lockout hysteresis | 130 | mV | |||
| ENABLE AND REFERENCE CONTROL | ||||||
| Venh | EN logic high voltage | VIN = 2.9 V to 18 V | 1.2 | V | ||
| Venl | EN logic low voltage | VIN = 2.9 V to 18 V | 0.4 | V | ||
| VSYNh | SYN logic high voltage | 1.2 | ||||
| VSYNl | SYN logic low voltage | 0.4 | V | |||
| Ren | EN pull down resistor | 400 | 800 | 1600 | kΩ | |
| Toff | Shutdown delay, SS discharge | EN high to low | 10 | ms | ||
| VOLTAGE AND CURRENT CONTROL | ||||||
| VREF | Voltage feedback regulation voltage | 1.204 | 1.229 | 1.254 | V | |
| IFB | Voltage feedback input bias current | 200 | nA | |||
| Isink | Comp pin sink current | VFB = VREF + 200 mV, VCOMP = 1 V | 50 | μA | ||
| Isource | Comp pin source current | VFB = VREF –200 mV, VCOMP = 1 V | 130 | μA | ||
| VCCLP | Comp pin clamp voltage | High Clamp, VFB = 1 V
Low Clamp, VFB = 1.5 V |
3
0.75 |
V | ||
| VCTH | Comp pin threshold | Duty cycle = 0% | 0.95 | V | ||
| Gea | Error amplifier transconductance | 240 | 340 | 440 | μmho | |
| Rea | Error amplifier output resistance | 10 | MΩ | |||
| fea | Error amplifier crossover frequency | 500 | KHz | |||
| FREQUENCY | ||||||
| fS | Oscillator frequency | Rfreq = 480 kΩ | 0.16 | 0.21 | 0.26 | MHz |
| Rfreq = 80 kΩ | 1.0 | 1.2 | 1.4 | |||
| Rfreq = 40 kΩ | 1.76 | 2.2 | 2.64 | |||
| Dmax | Maximum duty cycle | VFB = 1 V, Rfreq = 80 kΩ | 89% | 93% | ||
| VFREQ | FREQ pin voltage | 1.229 | V | |||
| Tmin_on | Minimum on pulse width | Rfreq = 80 kΩ | 60 | ns | ||
| POWER SWITCH | ||||||
| RDS(ON) | N-channel MOSFET on-resistance | VIN = VGS = 3.6 V
VIN = VGS = 3.0 V |
0.13
0.13 |
0.25
0.3 |
Ω | |
| ILN_NFET | N-channel leakage current | VDS = 40 V, TA = 25°C | 1 | μA | ||
| OC, OVP AND SS | ||||||
| ILIM | N-Channel MOSFET current limit | D = Dmax | 3 | 3.8 | 5 | A |
| ISS | Soft start bias current | Vss = 0 V | 6 | μA | ||
| THERMAL SHUTDOWN | ||||||
| Tshutdown | Thermal shutdown threshold | 160 | °C | |||
| T hysteresis | Thermal shutdown threshold hysteresis | 15 | °C | |||