L4938ED STMicroelectronics, L4938ED Datasheet - Page 10

• 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

Electrical specifications
10/20
Table 10.
Symbol
I
I
SI HIGH
V
SI LOW
V
I
V
V
SOH
SITH
SOL
SIT
SI
Functional range
Sense threshold voltage
Sense threshold hysteresis
Sense output low voltage
Sense output leakage
Sense input current high
Sense input current low
Sense comparator
Parameter
Doc ID 17243 Rev 1
Falling edge; T
Falling edge;
T
V
connected to 5 V; V
V
V
V
T
V
J
J
SI
SO
SI
SI
SI
< 130 to 150 °C
< 130 to 150 °C
≤ 1.05 V; R
= 1.1 to 7 V; T
= 1.1 to 7 V;
= 0 V
= 5 V; V
Test condition
SI
J
SO
≥ 1.5 V
< 130 °C
J
= 10 KΩ
< 130 °C
S
≥ 5 V
Min.
1.08
1.05
-20
-10
-20
10
-1
L4938ED, L4938EPD
Typ.
1.16
1.16
30
-8
0
0
Max.
1.24
1.29
0.4
20
60
10
-3
1
1
Unit
mV
µA
µA
µA
µA
V
V
V
V