L4938ED STMicroelectronics, L4938ED Datasheet - Page 16

• Manufacturer Part Number: L4938ED
• Description: IC VREG ADVANCED DUAL SO-20
• Manufacturer: STMicroelectronics

Specifications of L4938ED

• Regulator Topology: Positive Fixed and Adjustable
• Voltage - Output: 5V, 4.9 ~ 5.1 V
• Voltage - Input: Up to 28V
• Voltage - Dropout (typical): 0.2V @ 100mA, 0.3V @ 400mA
• Number Of Regulators: 2
• Current - Output: 100mA, 400mA
• Current - Limit (min): 100mA, 450mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Polarity: Positive
• Number Of Outputs: 2
• Output Type: Fixed
• Output Voltage: 5 V
• Output Current: 5 mA
• Line Regulation: 20 mV
• Load Regulation: 50 mV
• Dropout Voltage (max): 0.2 V
• Input Voltage Max: 20 V
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 40 C
• Maximum Power Dissipation: 875 mW
• Mounting Style: SMD/SMT
• Reference Voltage: 1.23 V
• Voltage Regulation Accuracy: 2 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Package and packing information
4
4.1
4.2
16/20
Package and packing information
ECOPACK
In order to meet environmental requirements, ST offers these devices in different grades of
ECOPACK
specifications, grade definitions and product status are available at: www.st.com.
ECOPACK
SO-20 package information
Table 11.
Dim.
A1
®
®
C
D
H
A
B
E
K
e
h
L
packages, depending on their level of environmental compliance. ECOPACK
is an ST trademark.
SO-20 mechanical data
®
packages
Doc ID 17243 Rev 1
Min.
2.35
0.33
0.23
12.6
0.25
0.1
7.4
0.4
10
0°
Typ.
1.27
mm
L4938ED, L4938EPD
10.65
Max.
2.65
0.51
0.32
0.75
1.27
0.3
7.6
13
8°
®