Datasheet
ST1L05, ST1L05A, ST1L05B, ST1L05C, ST1L05D Electrical characteristics
Doc ID 14492 Rev 2 7/24
4 Electrical characteristics
Refer to the typical application schematic, V
I
= 3.3 V to 4.5 V, I
O
= 5 mA to 1.3 A,
C
I
= C
O
= 4.7 µF, T
J
= 0 to 125 °C, unless otherwise specified. Typical values are intended at
T
J
= 25 °C unless otherwise specified.
Table 6. Electrical characteristics for the ST1L05PU25
Symbol Parameter Test condition Min. Typ. Max. Unit
V
O
Output voltage V
I
=3.3V to 5.25V, T=25°C 2.45 2.5 2.55 V
V
O
Output voltage V
I
= 3.3V to 5.25V 2.4375 2.5 2.5625 V
ΔV
O
Line regulation V
I
= 4.75V to 5.25V 15 mV
ΔV
O
Load regulation V
I
= 4.75V, I
O
= 10mA to 1.3A 15 30 mV
I
S
Output current limit V
I
= 5.5V 1.3 A
I
OMIN
Minimum output current for
regulation
0mA
V
d
Dropout voltage
I
O
= 0.8A 0.2 0.4 V
I
O
= 1A 0.25 0.45 V
I
O
= 1.3A 0.3 0.5 V
I
Q
Quiescent current
V
I
= 5V, I
O
= 2mA to 1.3A, T=25°C 350 500
µA
V
I
= 5.5V, I
O
= 2mA to 1.3A 350 650
SVR Supply voltage rejection
(1)
V
I
= 5±0.5V, I
O
= 5mA, f=120Hz 50 68 dB
eN RMS output noise
(1)
B = 10Hz to 10kHz, V
I
= 5V,
I
O
=5mA
0.003 %V
O
ΔV
O
/ΔI
O
Load transient (rising)
(1)(2)
V
I
=5V, any 200mA step from
100mA to 1.3A, t
R
≥ 1µs
5%V
O
ΔV
O
/ΔI
O
Load transient (falling)
(1)(2)
V
I
=5V, I
O
= 1.3A to 10mA, t
F
≥ 1µs 2.75 V
ΔV
O
/ΔV
I
Start-up transient
(1)(2)
V
I
=0V to 5V, I
O
= 10mA to 1.3A,
t
R
≥ 1µs
2.75 V
ΔV
O
/ΔI
O
Short circuit removal response
(1)(2)
V
I
=5V, I
O
= short to 10mA 2.75 V
T
SH
Thermal shutdown trip point
(1)
V
I
=5V 165 °C
1. Guaranteed by design. Not tested in production
2. C
I
=10µF, C
O
=10µF, all X7R ceramic capacitors.