L4988DTR STMicroelectronics, L4988DTR Datasheet - Page 19

• Manufacturer Part Number: L4988DTR
• Description: IC REG LDO 5V 200MA 8SOIC
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L4988DTR

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 5.6 ~ 31 V
• Voltage - Dropout (typical): 0.27V @ 200mA
• Number Of Regulators: 1
• Current - Output: 200mA
• Current - Limit (min): 200mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Number Of Outputs: 1
• Polarity: Negative, Positive
• Output Voltage: - 0.3 V to + 6 V
• Output Type: Adjustable
• Dropout Voltage (max): 0.5 V at 200 mA
• Output Current: 200 mA
• Line Regulation: 25 mV
• Load Regulation: 25 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Reference Voltage: 5.1 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L4988
Figure 30. SO-8 thermal impedance junction ambient single pulse
Equation 1: pulse calculation formula
Z
where δ = t
Figure 31. SO-8 thermal fitting model of a single channel
THδ
1000
ZTH (°C/W)
100
10
1
0,0001
=
R
TH
P
/T
⋅
0,001
δ Z
+
THtp
0,01
(
1 δ
–
)
0,1
Time (s)
1
10
Package and PCB thermal data
100
1000
Footprint
2 cm
19/30
2