L4938N STMicroelectronics, L4938N Datasheet - Page 2

• 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

THERMAL DATA
L4938N - L4938ND - L4938NPD
BLOCK DIAGRAM
2/12
Symbol
R
R
thj-case
thj-amb
V
V
EN
SI
S1
S2
1.23V
Thermal Resistance Junction-Case
Thermal Resistance Junction-Ambient
REFERENCE
(optional)
RESET
SENSE
Parameter
1.23V
REG1
REG2
2
Max.
Max.
2.0V
Powerdip
14
90
1.23V
PowerSO20
< 2
–
D94AT143A
SO20
20
–
V
V
ADJ
CT
RES
SO
GND
O1
O2
Unit
C/W
C/W