The TL720M05-Q1 devices are monolithic integrated low-dropout voltage regulators offered in 3-pin TO packages. They regulate an input voltage up to 45 V to VOUT of 5 V with 2% tolerance. The devices can drive loads up to 450 mA and are short-circuit proof. At overtemperature, the incorporated temperature protection turns off the TL720M05-Q1 devices.
The input capacitor (CIN) compensates for line fluctuation. Using a resistor of approximately 1 Ω in series with CIN dampens the oscillation of input inductivity and input capacitance. The output capacitor (COUT) stabilizes the regulation circuit. Output is stable at COUT ≥ 22 µF and ESR ≤ 5 Ω, within the operating temperature range.
The control amplifier compares a reference voltage to a voltage that is proportional to the output voltage and drives the base of the series transistor through a buffer. Saturation control as a function of the load current prevents any oversaturation of the power element. The device also incorporates a number of internal circuits for protection against:
| Output options | Fixed Output |
| Iout (max) (A) | 0.45 |
| Vin (max) (V) | 42 |
| Vin (min) (V) | 5.5 |
| Vout (max) (V) | 5 |
| Vout (min) (V) | 5 |
| Fixed output options (V) | 5 |
| Iq (typ) (mA) | 12 |
| Thermal resistance θJA (°C/W) | 34 |
| Rating | Automotive |
| Load capacitance (min) (µF) | 69 |
| Regulated outputs (#) | 1 |
| Features | Reverse voltage protection |
| Accuracy (%) | 2.5 |
| PSRR at 100 KHz (dB) | 20 |
| Dropout voltage (Vdo) (typ) (mV) | 250 |
| Operating temperature range (°C) | -40 to 125 |
| HTSSOP (PWP) | 20 | 41.6 mm² 6.5 x 6.4 |
| TO-252 (KVU) | 3 | 66.726 mm² 6.6 x 10.11 |
| TO-263 (KTT) | 3 | 154.8384 mm² 10.16 x 15.24 |
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