LD2980CM38TR STMicroelectronics, LD2980CM38TR Datasheet - Page 15

• Manufacturer Part Number: LD2980CM38TR
• Description: Low Dropout (LDO) Regulators 3.8V 50mA Positive
• Manufacturer: STMicroelectronics

Specifications of LD2980CM38TR

• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 16 V
• Output Voltage: 3.8 V
• Output Type: Fixed
• Dropout Voltage (max): 225 mV
• Output Current: 50 mA
• Line Regulation: 0.014 % / V
• Voltage Regulation Accuracy: 1 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

7.6
Figure 22. Reverse current test circuit
Reverse current
The power transistor used in the LD2980 has not an inherent diode connected between the
regulator input and output. If the output is forced above the input, no current will flow from
the output to the input across the series pass transistor. When a V
the output, the reverse current measured, according to the test circuit in
the GND across the two feedback resistors. This current typical value is 160 µA. R
resistors are implanted type; typical values are, respectively, 42.6 kΩ and 51.150 kΩ.
REV
voltage is applied on
Figure
22, flows to
1
and R
15/23
2