LD3985XX28 STMicroelectronics, LD3985XX28 Datasheet - Page 7

• Manufacturer Part Number: LD3985XX28
• Description: Ultra low drop-low noise BiCMOS voltage regulators low ESR capacitors compatible
• Manufacturer: STMicroelectronics

Specifications of LD3985XX28

• Wide Range Of Output Voltage: 1.22 V; 1.8 V; 2.5 V; 2.6 V; 2.7 V; 2.8 V; 2.9 V; 3 V; 3.3 V; 4.7 V
• Fast Turn-on Time: typ. 200µs
• Temperature Range: -40°C to 125 °C

LD3985xx
5
Table 5.
Symbol
V
ΔV
ΔV
ΔV
ΔV
DROP
I
V
V
V
I
SC
Q
O
O
I
O
O
O
O
Operating input voltage
Output voltage < 2.5 V
Output voltage ≥ 2.5 V
Line regulation
Load regulation
Load regulation
Output AC Line regulation
(2)
Quiescent current
ON MODE: V
OFF MODE: V
Dropout voltage
Short circuit current
Electrical characteristics
T
otherwise specified.
Electrical characteristics for LD3985
J
= 25 °C, V
Parameter
INH
INH
(1)
(3)
= 1.2 V
I
= 0.4 V
= V
O(NOM)
I
T
I
T
V
T
V
I
T
I
T
I
(for SOT23-5L/TSOT23-5L), V
V
t
I
I
I
I
T
I
I
I
I
I
I
I
I
R
O
O
O
O
O
R
O
O
O
O
O
O
O
O
O
O
O
O
J
J
J
J
J
J
I
O
I
L
= t
= -40 to 125°C
= -40 to 125°C
= -40 to 125°C
= -40 to 125°C
= -40 to 125°C (for flip-chip)
= -40 to 125°C
= 1 mA
= 1 mA
= V
= 1 mA to 150mA, V
= 1 mA to 150mA, V
= 1 mA to 150mA, T
= V
= 0
= 0, T
= 0 to 150mA
= 0 to 150mA, T
= 1mA
= 1mA, T
= 50mA
= 50mA, T
= 100mA
= 100mA, T
= 150mA
= 150mA, T
= 0
= 4.7 to 5V
+0.5 V, C
F
O(NOM)
O(NOM)
= 30µs
J
= -40 to 125°C
Doc ID 9587 Rev 14
J
Test conditions
= -40 to 125°C
J
+ 0.5 to 6 V
+ 1 V, I
= -40 to 125°C
I
J
J
= -40 to 125°C
= -40 to 125°C
= 1 µF, C
J
= -40 to 125°C
O
= 150mA,
J
O
O
= -40 to 125°C
< 2.5V
≥ 2.5V
BYP
O
= 10 nF, I
≥ 2.5V
O
= 1 mA, V
-0.19
Min.
-0.1
2.5
-50
-75
-3
-2
Electrical characteristics
0.0004 0.002
0.0025 0.005
0.002
0.003
Typ.
170
600
1.5
0.4
85
20
45
60
INH
= 1.4 V, unless
0.008
Max.
0.19
150
250
100
0.1
1.5
50
75
35
70
6
2
3
2
V
%/mA
%/mA
mV
O(NOM)
Unit
% of
%/V
mV
mV
mA
µA
V
PP
7/23