Low Dropout Voltage:
170mV at 200mA
230mV at 300mA
Maximum Output Current: 300mA
Input Voltage Range: 2.1V to 5.5V
±2% Accuracy Overall Operating Conditions
Low Quiescent and Shutdown Current
Foldback Current Limit and Overheat Protection
Stable with Effective Capacitance of 1 μF
Soft-start Limits Input Current Surge During Enable
Available in Fixed-Output Voltages 1.8V/2.8V/3.0V/3.3V
Temperature range: −40°C ~ +85°C
Available in 3-mm × 3-mm SOT23-5 package and SC70-5
Handheld Devices Including Medical Handhelds
Lower Cost Industrial and Instrumentation
300mA, Low Iq, LDO with foldback current
TPL700 series product is a high performance and low
dropout linear regulator. Current output capability is 300mA.
TPL700 series product support low quiescent current and
high-PSRR, especially for high frequency. TPL700 series can
be stable with output capacitance of 1μF to 10μF with ESR of
up to 100mΩ.
The TPL700 series have a high PSRR at high frequency
and PSRR can be about 70dB at 2M frequency point. This
feature makes TPL700 series very suitable for power-sensitive
applications with high noise from front stage power supply.
When coupled with a no load quiescent current of 35μA (typical)
and 0.1μA shutdown current, the TPL700 series is an ideal
choice for portable or wireless equipment. Current-limit and
thermal overload protection circuits prevent damage under
these conditions. The TPL700 series also includes an internal
pull-down resistor on the EN input.
The TPL700 series comes in many fixed voltage options
with ±2% output voltage accuracy over temperature, line and
load. Other output voltage options are available on request.
The TPL700 series is guaranteed over the temperature
range of -40°C to +85°C. The TPL700 series of LDOs are
available in 3-mm*3-mm SOT23-5 package and SC70-5
Typical Application Circuit