LD39030SJXX12 STMicroelectronics, LD39030SJXX12 Datasheet - Page 9

• Manufacturer Part Number: LD39030SJXX12
• Description: 300 mA low quiescent current soft-start, low noise voltage regulator
• Manufacturer: STMicroelectronics

Specifications of LD39030SJXX12

• Output Voltage Tolerance: ± 2.0 % @ 25 °C
• Wide Range Of Output Voltages Available On Request: 0.8 V to 4.5 V with 100 mV step
• Temperature Range: -40 °C to 125 °C

LD39030SJXX12
6
Figure 4.
Soft-start function
The LD39030SJ has an internal soft-start circuit. By increasing the startup time up to 100
µs, without the need of any external soft-start capacitor, this feature is able to reduce the
regulator inrush current to 1/3 of the original value.
Soft-start function
V
IN
= 1.8 V, V
V
V
I
I
V
V
V
V
IN
IN
EN
EN
IN
IN
OUT
OUT
EN
= 1.8 V, C
IN
= 1 µF, C
Doc ID 18103 Rev 1
OUT
= 1 µF.
Soft-start function
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