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LD49150PT08R Datasheet(PDF) 8 Page - STMicroelectronics

Part # LD49150PT08R
Description  1.5 A very low drop for low output voltage regulator
PDF  22 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LD49150PT08R Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
LD49150XX08, LD49150XX10, LD49150XX12
8/22
Doc ID 13446 Rev 3
6
Electrical characteristics
TJ = - 25 °C to 125 °C, VBIAS = VO + 2.1 V
(1); V
I = VO+1 V; VEN = VBIAS
(2), I
O = 10 mA; CI =
1 µF; CO = 10 µF; CBIAS = 1 µF; unless otherwise specified.
Typical values are referred to TJ = 25 °C.
Table 5.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
VO
Output voltage accuracy
TJ = 25 °C, fixed voltage options
-1.5
1.5
%
Over temperature range
-3
3
VLINE
Line regulation
VI = VO + 1 V to 5.5 V
-0.1
0.1
%/V
VLOAD
Load regulation
IL = 0 mA to 3 A, VBIAS ≥ 3 V
1
%
VDROP
Dropout voltage (VI - VO)IL = 1.5 A
200
mV
VDROP
Dropout voltage (VBIAS- VO)IL = 1.5 A
(1)
1.5
2.1
V
IGND
Ground pin current
IL = 0 mA
4
6
mA
IL = 1.5 A
4
6
IGND_SHD Ground pin current in shutdown
VEN ≤ 0.4 V
(2)
5µA
IVBIAS
Current through VBIAS
IL = 0 mA
3
5
mA
IL = 1.5 A
3
5
IL
Current limit
VO = 0 V
2.5
A
Enable input (2)
VEN
Enable input threshold (fixed
voltage only)
Regulator Enable
1.4
V
Regulator Shutdown
0.4
IEN
Enable pin input current
0.1
1
µA
Reference
VREF
Reference voltage
TJ = 25 °C
0.788
0.8
0.812
V
Over temperature range
0.776
0.8
0.824
SVR
Supply voltage rejection
VI = 2.5 V ± 0.5 V, VO = 1 V,
F = 120 Hz, VBIAS = 3.3 V
68
dB
1.
For VO ≤ 1 V, VBIAS dropout specification does not apply due to a minimum 3 V VBIAS input.
2.
Fixed output voltage version only.



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