ST1L05 STMicroelectronics, ST1L05 Datasheet - Page 10

• Manufacturer Part Number: ST1L05
• Description: Very low quiescent BiCMOS voltage regulator
• Manufacturer: STMicroelectronics

Specifications of ST1L05

• Fixed Output Voltage: 1.8 V, 2.5 V, 3.3 V and ADJ
• Output Voltage Tolerance: ± 2% at 25 °C
• Output Current Capability: 1.3 A
• Very Low Quiescent Current: max 650 μA over temperature range
• Operating Junction Temperature Range: from 0 to 125 °C

Electrical characteristics
Table 9.
1. See minimum start-up voltage, V
2. PG pin floating
3. Guaranteed by design. Not tested in production.
4. C
10/24
Symbol
ΔV
ΔV
ΔV
ΔV
V
V
I
SVR
ΔV
ΔV
I
OMIN
T
EN_H
PG
EN_L
I
V
V
ADJ
eN
O
O
O
V
O
I
EN
I
SH
I
S
Q
O
O
/ΔI
/ΔI
/ΔV
/ΔI
d
=10µF, C
O
O
O
O
O
I
Output voltage
Output voltage
Line regulation
Load regulation
Adjust pin current
Output current limit
Minimum output current for
regulation
Dropout voltage
Quiescent current
Enable threshold high
Enable threshold low
Enable pin current
Power Good output threshold
Power Good output voltage
low
Supply voltage rejection
RMS output noise
Load transient (rising)
Load transient (falling)
Start-up transient
Short circuit removal response
(3)(4)
Thermal shutdown trip point
Refer to the typical application schematic, V
C
T
Electrical characteristics for the ST1L05BPU and ST1L05DPU
O
(3)
J
=10µF, all X7R ceramic capacitors.
I
= C
= 25 °C unless otherwise specified.
O
Parameter
= 4.7 µF, T
(1)
(3)(4)
(3)
I
= 2.9V.
(3)(4)
J
(3)(4)
= 0 to 125 °C, unless otherwise specified. Typical values are intended at
(3)
(3)
V
V
V
V
V
V
I
I
I
V
V
Device OFF
V
V
V
Rising edge
Falling edge
I
V
B = 10Hz to 10kHz, V
I
V
100mA to 1.3A, t
V
V
t
V
V
O
O
O
SINK
O
R
I
I
I
I
I
I
I
I
I
I
EN
I
I
I
I
I
I
=3V to 5.25, I
=3V to 5.25, I
=5mA
≥ 1µs
= 3V to 5.25V, T=25°C
= 3V to 5.25V
= 4.75V to 5.25V
= 4.75V, I
= 3V to 5.25V
= 5.5V
= 0.8A, V
= 1A, V
= 1.3A, V
= 5V, I
= 5.5V, I
= 5±0.5V, I
=5V, any 200mA step from
=5V, I
=0V to 5V, I
=5V, I
=5V
Doc ID 14492 Rev 2
=V
=6mA open drain output
I
= 5V
O
O
O
O
Test condition
= 1.3A to 10mA, t
= short to 10mA
O
= 2mA to 1.3A, T=25°C
=3.3V
O
O
(2)
O
ST1L05, ST1L05A, ST1L05B, ST1L05C, ST1L05D
= 2mA to 1.3A
=3.3V
=3.3V
O
= 10mA to 1.3A
O
= 5mA, f=120Hz
O
O
= 10mA to 1A,
= 50mA
R
I
= 50mA
≥ 1µs
= 3 V to 5.5 V, V
I
= 5V,
F
≥ 1µs
EN
1.195
Min.
1.18
1.3
50
= 2 V, I
2
0.92V
0.8V
0.003
Typ.
1.22
1.22
0.25
300
350
165
O
0.2
0.3
72
15
1
= 5 mA to 1.3 A,
O
O
1.245
1.256
Max.
1.38
1.38
1.38
500
650
0.8
0.4
15
30
1
1
2
5
%V
%V
Unit
mV
mV
mA
nA
µA
µA
dB
°C
V
V
A
V
V
V
V
V
V
V
V
V
O
O