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Details for TPS7A4501DCQR by Texas Instruments
Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators
Buy Directly from Texas Instruments (31453 in stock) $1.1440
LDO ADJ 1.21-20V 1.5A SOT-223-6
TPS7A4501DCQR image

TPS7A4501DCQR by Texas Instruments

LDO ADJ 1.21-20V 1.5A SOT-223-6

1-mA Quiescent Current
Adjustable Output from 1.21 V to 20 V (TPS7A4501 Only)
Controlled Quiescent Current in Dropout
Dropout Voltage: 300 mV
Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V, 3.3 V
High Output Voltage Accuracy: 1% at 25u00b0C
High Ripple Rejection: 68 dB at 1 kHz
Less Than 1-u03bcA Quiescent Current in Shutdown
Low Noise: 35 u03bcVRMS (10 Hz to 100 kHz)
No Protection Diodes Needed
Optimized for Fast Transient Response
Output Current: 1.5 A
Reverse Current Protection
Reverse-Battery Protection
Stable With 10-u03bcF Ceramic Output Capacitor

Part Information

TPS7A4501DCQR image
RoHS Compliant


The TPS7A45xx devices are low-dropout (LDO) regulators optimized for fast transient response. The device can supply 1.5 A of output current with a dropout voltage of 300 mV. Operating quiescent current is 1 mA, dropping to less than 1 μA in shutdown. Quiescent current is well controlled; it does not rise in dropout as with many other regulators. In addition to fast transient response, the TPS7A45xx regulators have very-low output noise, which makes them ideal for sensitive RF supply applications. Output voltage range is from 1.21 to 20 V. The TPS7A45xx regulators are stable with output capacitance as low as 10 μF. Small ceramic capacitors can be used without the necessary addition of ESR as is common with other regulators. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting, and reverse-current protection. The devices are available in fixed output voltages of 1.5 V, 1.8 V, 2.5 V, 3.3 V, and as an adjustable device with a 1.21-V reference voltage.

Technical Specifications

Output Type:
Input Voltage Min:
Input Voltage Max:
Fixed Output Voltage Nom.:
Adjustable Output Voltage Min:
Adjustable Output Voltage Max:
Output Current:
Dropout Voltage Vdo:
LDO Regulator Case Style:
No. of Pins:
Operating Temperature Min:
Operating Temperature Max:
Product Range:
Adj 1.5A LDO Voltage Regulators
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 2 - 1 year
No SVHC (27-Jun-2018)

Alternate Descriptions

LDO Regulator Pos 1.21V to 20V 1.5A 6-Pin(5+Tab) SOT-223 T/R Avnet America
1.5-A, 20-V, ultra-low-dropout voltage regulator with reverse current protection & enable Texas Instruments