L4938N STMicroelectronics, L4938N Datasheet - Page 4

• Manufacturer Part Number: L4938N
• Description: Linear Regulators - Standard Dual 5V Very LDO
• Manufacturer: STMicroelectronics

Specifications of L4938N

• Polarity: Positive
• Number Of Outputs: 2
• Output Type: Selectable
• Output Voltage: 5 V
• Output Current: 5 mA
• Line Regulation: 20 mV
• Load Regulation: 50 mV
• Dropout Voltage (max): 0.4 V
• Input Voltage Max: 28 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 55 C
• Package / Case: PDIP-16
• Maximum Power Dissipation: 875 mW
• Mounting Style: Through Hole
• Reference Voltage: 1.23 V
• Voltage Regulation Accuracy: 2 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L4938N - L4938ND - L4938NPD
ELECTRICAL CHARACTERISTICS (V
ENABLE
4/12
V
Symbol
V
V
O2
V
V
V
V
V
V
V
V
I
I
I
V
I
ENhyst
OL 1.2
OLO1
OLO2
LIM1
LIM2
QSB
I
V
ADJ
I
ENH
DP1
DP2
ENL
EN
IO1
IO2
- V
O1
Q
S
O1
Operating Supply Voltage
Standby Output Voltage
Output Voltage 2 Tracking Error
(note 1)
ADJ Input Current
Dropout Voltage 1
Input to Output Voltage
Difference in Undervoltage
Condition
Dropout Voltage 2
Input to Output Voltage
Difference in Undervoltage
Condition
Line Regulation
Load Regulation 1
Load Regulation 2
Current Limit 1
Current Limit 2
Quiescent Current Standby Mode
(output 2 disabled)
Quiescent Current
Enable Input LOW Voltage
(output 2 active)
Enable Input HIGH Voltage
Enable Hysteresis
Enable Input Current
Parameter
S
= 14V; –40 C
6V
1mA
6V
5mA
Enable = LOW
I
I
I
VS = 4V, I
IO1 = 100mA
I
VS = 4.6V, I
6V
1mA
5mA
V
V
VO2 = 0V
I
V
V
V
I
I
0V < V
2.5V < V
O1
O1
O1
O1
I
O1
O1
O1
O1
O1
O1
EN
S
S
= 14V
= 3.5V
= 1mA; I
= 10mA
= 50mA
= 500mA
= 0.3mA; T
= 50mA
= 500mA
= 1mA; I
= 4.5V
= 0V (note 2)
V
V
V
2.4V
EN
I
I
I
I
S
S
S
O1
O2
O1
O2
Test Conditions
EN
< 1.2V
O1
25V
25V
25V
< 7V
O2
O1
50mA
500mA
50mA
500mA
= 35mA
O2
J
= 5mA
= 350mA
= 5mA
< 100 C
T
J
125 C unless otherwise specified)
Min.
4.90
–0.3
–25
550
–10
2.4
–1
55
25
30
–1
1000
Typ.
5.00
–1.5
100
210
340
0.1
0.1
0.2
0.2
0.3
50
75
0
Max.
1700
5.10
0.25
–0.5
+25
200
100
290
850
200
0.4
0.4
0.3
0.6
0.6
1.5
25
20
25
50
30
+1
1
7
Unit
mV
mV
mV
mV
mA
mA
mA
mA
mV
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A