L4938E STMicroelectronics, L4938E Datasheet - Page 11

• Manufacturer Part Number: L4938E
• Description: IC REG LDO DUAL 5V/ADV 16DIP
• Manufacturer: STMicroelectronics

Specifications of L4938E

• 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: Through Hole
• Package / Case: 20-SOIC (7.5mm Width)
• Polarity: Positive
• Number Of Outputs: 2
• Output Type: Fixed
• Output Voltage: 5.1 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: Through Hole
• Reference Voltage: 1.23 V
• Voltage Regulation Accuracy: 2 %
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3355-5; 497-3914-5; 497-3914-5

(1) "D and F" do not include mold flash or protrusions.
- Mold flash or protrusions shall not exceed 0.15 mm (0.006").
- Critical dimensions: "E", "G" and "a3"
E1 (1)
DIM.
D (1)
D1
E2
E3
a1
a2
a3
e3
G
A
E
H
N
S
b
e
h
L
T
c
MIN.
0.23
15.8
13.9
10.9
15.5
0.1
0.4
9.4
5.8
0.8
E2
0
0
N
h x 45
11.43
b
TYP.
1.27
mm
N
10
20
1
MAX.
0.53
0.32
14.5
11.1
15.9
3.6
0.3
3.3
0.1
9.8
2.9
6.2
0.1
1.1
1.1
DETAIL A
16
10˚ (max.)
8˚ (max.)
0.004
0.000
0.016
0.009
0.622
0.370
0.547
0.429
0.228
0.000
0.610
0.031
e3
MIN.
D
H
T
0.050
0.450
0.394
TYP.
inch
10
11
MAX.
0.142
0.012
0.130
0.004
0.021
0.013
0.630
0.386
0.570
0.437
0.114
0.244
0.004
0.626
0.043
0.043
e
a2
E1
A
PSO20MEC
DETAIL B
BOTTOM VIEW
R
Gage Plane
a3
MECHANICAL DATA
lead
L4938E - L4938ED - L4938EPD
OUTLINE AND
DETAIL B
PowerSO20
S
JEDEC MO-166
0.35
D1
E
L
a1
DETAIL A
(COPLANARITY)
E3
slug
c
SEATING PLANE
G
- C -
C
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