LD2979 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'LD2979' PDF : 9 Pages View PDF
LD2979
ELECTRICAL CHARACTERISTICS FOR LD2979 (refer to the test circuits, Ta = 25 oC,
VIN = VO(NOM) +1, CO = 1 µF, IO = 1mA, Vinh = 2V(*)) (unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
VIN = 3.85 V
1 < Io < 50 mA, -25 < Ta < 125 oC
2. 793
2. 736
2. 85
2. 90 7
2. 96 4
Vo Output Voltage
VIN = 4 V
1 < Io < 50 mA, -25 < Ta < 125 oC
2. 940
2. 880
3
3. 06 0
3. 12 0
Vo Output Voltage
VIN = 4.2 V
1 < Io < 50 mA, -25 < Ta < 125 oC
3.136 3.2 3.264
3. 072
3. 32 8
Vo Output Voltage
VIN = 4.3 V
1 < Io < 50 mA, -25 < Ta < 125 oC
3.234 3.3 3.366
3. 168
3. 43 2
Vo Output Voltage
VIN = 4.8 V
1 < Io < 50 mA, -25 < Ta < 125 oC
3.724 3.8 3.876
3. 648
3. 95 2
Vo Output Voltage
VIN = 6 V
4.9
5
5.1
1 < Io < 50 mA, -25 < Ta < 125 oC
4.8
5.2
Io ut Output Current Limit
100
∆Vo Line Regulation
VO(NOM) +1 < VIN < 16V, Io = 1 mA
-25 < Ta < 125 oC
0. 02 8
0. 06 4
Id Quiescent Current
ON MODE
Io = 0 mA
Io = 0 mA
Io = 50 mA
Io = 50 mA
-25 < Ta < 125 oC
-25 < Ta < 125 oC
80
1 10
1 70
500 700
13 00
OFF MODE (*)
Vihn < 0.18 V
Vihn < 0.18 V -25 < Ta < 125 oC
0
1
SVR Supply Voltage Rejection
Io = 50 mA, f = 120 Hz, Cout = 10 µF
63
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 0 mA
Io = 0 mA
-25 < Ta < 125 oC
Io = 1 mA
Io = 1 mA
-25 < Ta < 125 oC
Io = 10 mA
Io = 10 mA -25 < Ta < 125 oC
Io = 50 mA
Io = 50 mA -25 < Ta < 125 oC
-25 < Ta < 125 oC (*) Device Off
-25 < Ta < 125 oC (*) Device On
6
12
18
30
60
90
100 200
3 00
200 400
6 00
0.18
2
Ii Control Input Current
Vinhibit = 0 V (*)
Vinhibit = 5 V, -25 < Ta < 125 oC (*)
0
-1
5
15
eN Output Noise Voltage (RMS) BW = 300 Hz to 50 KHz, Cout = 10 µF
160
(*) Note: Only for types in SOT23-5L
Unit
V
V
V
V
V
V
V
V
V
V
V
V
mA
%/ Vin
µA
µA
µA
µA
µA
µA
dB
mV
mV
mV
mV
mV
mV
mV
mV
V
V
µA
µA
µV
3/9
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