L4979D STMicroelectronics, L4979D Datasheet - Page 7
L4979D
Manufacturer Part Number
L4979D
Description
IC VOLTAGE REG LDO SO-8
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Specifications of L4979D
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
150mA
Voltage - Input
5.6 ~ 31 V
Operating Temperature
-40°C ~ 150°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Polarity
Positive
Input Voltage Max
31 V
Output Voltage
5 V
Output Type
Fixed
Dropout Voltage (max)
0.4 V at 150 mA
Output Current
300 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Frequency - Switching
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L4979D
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
L4979D013TR
Manufacturer:
st
Quantity:
3 000
Part Number:
L4979D013TR
Manufacturer:
ST
Quantity:
20 000
Part Number:
L4979DTR-S-LF
Manufacturer:
ST
Quantity:
20 000
Figure 7. SO-8 Mechanical Data & Package Dimensions
Note: (1) Dimensions D does not include mold flash, protru-
DIM.
D
ddd
A1
A2
A
B
C
E
H
e
h
L
k
(1)
MIN.
1.35
0.10
1.10
0.33
0.19
4.80
3.80
5.80
0.25
0.40
sions or gate burrs.
Mold flash, potrusions or gate burrs shall not exceed
0.15mm (.006inch) in total (both side).
TYP.
1.27
mm
0˚ (min.), 8˚ (max.)
MAX.
1.75
0.25
1.65
0.51
0.25
5.00
4.00
6.20
0.50
1.27
0.10
0.053
0.004
0.043
0.013
0.007
0.189
0.228
0.010
0.016
MIN.
0.15
0.050
TYP.
inch
MAX.
0.069
0.010
0.065
0.020
0.010
0.197
0.157
0.244
0.020
0.050
0.004
MECHANICAL DATA
OUTLINE AND
SO-8
L4979MD L4979D
0016023 C
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