ZHCSHT5A July 2011 – March 2018 TPS61256A
PRODUCTION DATA.
| PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |||
|---|---|---|---|---|---|---|---|---|
| SUPPLY CURRENT | ||||||||
| IQ | Operating quiescent current
into VIN |
IOUT = 0mA, VOUT = 5.0V, VIN = 3.6V
EN = VIN Device not switching |
33 | 45 | µA | |||
| Operating quiescent current
into VOUT |
7 | 15 | µA | |||||
| ISD | Shutdown current | EN = GND | 0.85 | 5.0 | μA | |||
| VUVLO | Under-voltage lockout threshold | Falling | 2.0 | 2.1 | V | |||
| Hysteresis | 0.1 | V | ||||||
| ENABLE | ||||||||
| VIL | Low-level input voltage | 0.4 | V | |||||
| VIH | High-level input voltage | 1.0 | V | |||||
| Ilkg | Input leakage current | Input connected to GND or VIN | 0.5 | µA | ||||
| OUTPUT | ||||||||
| VOUT | DC output voltage accuracy | 2.5V ≤ VIN ≤ 4.85V, IOUT = 0mA
PWM operation. Open Loop |
4.92 | 5.0 | 5.08 | V | ||
| 2.5V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 650mA
3.3V ≤ VIN ≤ 4.85V, 0mA ≤ IOUT ≤ 1000mA PFM/PWM operation |
4.9 | 5.0 | 5.2 | V | ||||
| ΔVOUT | Power-save mode output ripple voltage | PFM operation, IOUT = 1mA | 30 | mVpk | ||||
| PWM mode output ripple voltage | PWM operation, IOUT = 200mA | 15 | mVpk | |||||
| POWER SWITCH | ||||||||
| rDS(on) | High-side MOSFET on resistance | 170 | mΩ | |||||
| Low-side MOSFET on resistance | 100 | mΩ | ||||||
| Ilkg | Reverse leakage current into VOUT | EN = GND | 3.5 | µA | ||||
| ILIM | Pre-charge current limit | 165 | 215 | 265 | mA | |||
| Switch valley current limit | EN = VIN. Open Loop | 1900 | 2400 | 2900 | mA | |||
| Overtemperature protection | 140 | °C | ||||||
| Overtemperature hysteresis | 20 | °C | ||||||
| OSCILLATOR | ||||||||
| fOSC | Oscillator frequency | VIN = 3.6V | 3.5 | MHz | ||||
| TIMING | ||||||||
| Start-up time | IOUT = 0mA
Time from active EN to VOUT |
700 | µs | |||||