Texas Instruments TLVH431AQPK
- Part Number:
- TLVH431AQPK
- Manufacturer:
- Texas Instruments
- Ventron No:
- 5199504-TLVH431AQPK
- Description:
- 1% low-voltage wide-operating current adjustable precision shunt regulator
- ECAD Model:
-
- Datasheet:
- tlvh431a
- VO (V)1.24
- Initial accuracy (max) (%)1
- VO adj (min) (V)1.24
- VO adj (max) (V)18
- Iz for regulation (min) (μA)60
- RatingCatalog
- Temp coeff (max) (ppm/°C)138
- Operating temperature range (°C)-40 to 125
- Iout/Iz (max) (mA)80
The TLVH431 and TLVH432 devices are low-voltage 3-terminal adjustable voltage references, with specified thermal stability over applicable industrial and commercial temperature ranges. Output voltage can be set to any value between VREF (1.24 V) and 18 V with two external resistors (see Figure 7-2). These devices operate from a lower voltage (1.24 V) than the widely used TL431 and TL1431 shunt-regulator references.
When used with an optocoupler, the TLVH431 and TLVH432 devices are ideal voltage references in isolated feedback circuits for 3-V to 3.3-V switching-mode power supplies. They have a typical output impedance of 0.25 Ω. Active output circuitry provides a very sharp turn-on characteristic, making the TLVH431 and TLVH432 devices excellent replacements for low-voltage Zener diodes in many applications, including on-board regulation and adjustable power supplies.
The TLVH432 device is identical to the TLVH431 device, but is offered with different pinouts for the 3-pin SOT-23 and SOT-89 packages.
V-Ref Adjustable 1.24V to 18V 70mA 4-Pin(3 Tab) SOT-89 T/R
Surface Mount Lead Free FLAT ROHS3Compliant Shunt Voltage Reference IC 1.6mm ±1% -40C~125C TA 20V
Voltage References Lo-Vtg Adj Precision Shunt Regulator
IC, ADJ SHUNT REG, 1.24V, 1%, SOT-89-3
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1% low-voltage wide-operating current adjustable precision shunt regulator
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