Datasheet
Electrical characteristics ST1L05, ST1L05A, ST1L05B, ST1L05C, ST1L05D
10/24 Doc ID 14492 Rev 2
Refer to the typical application schematic, V
I
= 3 V to 5.5 V, V
EN
= 2 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 9. Electrical characteristics for the ST1L05BPU and ST1L05DPU
Symbol Parameter Test condition Min. Typ. Max. Unit
V
O
Output voltage V
I
= 3V to 5.25V, T=25°C 1.195 1.22 1.245 V
V
O
Output voltage V
I
= 3V to 5.25V 1.18 1.22 1.256 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
ADJ
Adjust pin current V
I
= 3V to 5.25V 1 nA
I
S
Output current limit V
I
= 5.5V 1.3 A
I
OMIN
Minimum output current for
regulation
1mA
V
d
Dropout voltage
(1)
I
O
= 0.8A, V
O
=3.3V 0.2 V
I
O
= 1A, V
O
=3.3V 0.25 V
I
O
= 1.3A, V
O
=3.3V 0.3 V
I
Q
Quiescent current
V
I
= 5V, I
O
= 2mA to 1.3A, T=25°C 300 500
µAV
I
= 5.5V, I
O
= 2mA to 1.3A 350 650
Device OFF
(2)
1
V
EN_H
Enable threshold high V
I
=3V to 5.25, I
O
= 50mA 2
V
V
EN_L
Enable threshold low V
I
=3V to 5.25, I
O
= 50mA 0.8
I
EN
Enable pin current V
EN
=V
I
= 5V 2 µA
PG
Power Good output threshold
Rising edge 0.92V
O
V
Falling edge 0.8V
O
Power Good output voltage
low
(3)
I
SINK
=6mA open drain output 0.4 V
SVR Supply voltage rejection
(3)
V
I
= 5±0.5V, I
O
= 5mA, f=120Hz 50 72 dB
eN RMS output noise
(3)
B = 10Hz to 10kHz, V
I
= 5V,
I
O
=5mA
0.003 %V
O
ΔV
O
/ΔI
O
Load transient (rising)
(3)(4)
V
I
=5V, any 200mA step from
100mA to 1.3A, t
R
≥ 1µs
5%V
O
ΔV
O
/ΔI
O
Load transient (falling)
(3)(4)
V
I
=5V, I
O
= 1.3A to 10mA, t
F
≥ 1µs 1.38 V
ΔV
O
/ΔV
I
Start-up transient
(3)(4)
V
I
=0V to 5V, I
O
= 10mA to 1A,
t
R
≥ 1µs
1.38 V
ΔV
O
/ΔI
O
Short circuit removal response
(3)(4)
V
I
=5V, I
O
= short to 10mA 1.38 V
T
SH
Thermal shutdown trip point
(3)
V
I
=5V 165 °C
1. See minimum start-up voltage, V
I
= 2.9V.
2. PG pin floating
3. Guaranteed by design. Not tested in production.
4. C
I
=10µF, C
O
=10µF, all X7R ceramic capacitors.