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LM2930 Datasheet Preview

LM2930 Datasheet

3-Terminal Positive Regulator

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LM2930
www.ti.com
SNVS745D – APRIL 1998 – REVISED APRIL 2013
LM2930 3-Terminal Positive Regulator
Check for Samples: LM2930
FEATURES
1
2 Input-Output Differential Less Than 0.6V
• Output Current in Excess of 150 mA
• Reverse Battery Protection
• 40V Load Dump Protection
• Internal Short Circuit Current Limit
• Internal Thermal Overload Protection
• Mirror-Image Insertion Protection
• P+ Product Enhancement Tested
VOLTAGE RANGE
• LM2930T-5.0: 5V
• LM2930T-8.0: 8V
• LM2930S-5.0: 5V
• LM2930S-8.0: 8V
DESCRIPTION
The LM2930 3-terminal positive regulator features an
ability to source 150 mA of output current with an
input-output differential of 0.6V or less. Efficient use
of low input voltages obtained, for example, from an
automotive battery during cold crank conditions,
allows 5V circuitry to be properly powered with supply
voltages as low as 5.6V. Familiar regulator features
such as current limit and thermal overload protection
are also provided.
Designed originally for automotive applications, the
LM2930 and all regulated circuitry are protected from
reverse battery installations or 2 battery jumps.
During line transients, such as a load dump (40V)
when the input voltage to the regulator can
momentarily exceed the specified maximum
operating voltage, the regulator will automatically shut
down to protect both internal circuits and the load.
The LM2930 cannot be harmed by temporary mirror-
image insertion.
Fixed outputs of 5V and 8V are available in the
plastic TO-220 and SFM power packages.
Connection Diagrams
TO-220 Plastic Package
Figure 1. Front View
See Package Number NDE
SFM Plastic Surface-Mount Package
Figure 2. Top View
See Package Number KTT
Figure 3. Side View
See Package Number KTT
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1998–2013, Texas Instruments Incorporated




etcTI

LM2930 Datasheet Preview

LM2930 Datasheet

3-Terminal Positive Regulator

No Preview Available !

LM2930
SNVS745D – APRIL 1998 – REVISED APRIL 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)(2)
Input Voltage
Operating Range
Overvoltage Protection
Reverse Voltage (100 ms)
Internal Power Dissipation (3)
Reverse Voltage (DC)
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temp. (Soldering, 10 seconds)
26V
40V
12V
6V
Internally Limited
40°C to +85°C
125°C
65°C to +150°C
230°C
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the
Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication
of device performance.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3) Thermal resistance without a heat sink for junction to case temperature is 3°C/W and for case to ambient temperature is 50°C/W for the
TO-220, 73°C/W for the SFM. If the SFM package is used, the thermal resistance can be reduced by increasing the P.C. board copper
area thermally connected to the package. Using 0.5 square inches of copper area, θJA is 50°C/W; with 1 square inch of copper area, θJA
is 37°C/W; and with 1.6 or more square inches of copper area, θJA is 32°C/W.
Electrical Characteristics(1)
LM2930-5.0 VIN=14V, IO=150 mA, Tj=25°C (2), C2=10 μF, unless otherwise specified
Parameter
Conditions
Typ
Tested
Limit (3)
Output Voltage
5
5.3
4.7
6VVIN26V, 5 mAIO150 mA
40°CTJ125°C
Line Regulation
Load Regulation
Output Impedance
Quiescent Current
Output Noise Voltage
Long Term Stability
Ripple Rejection
Current Limit
Dropout Voltage
Output Voltage Under
Transient Conditions
9VVIN16V, IO=5 mA
6VVIN26V, IO=5 mA
5 mAIO150 mA
100 mADC & 10 mArms, 100 Hz10 kHz
IO=10 mA
IO=150 mA
10 Hz100 kHz
fO=120 Hz
IO=150 mA
12VVIN40V, RL=100Ω
7
30
14
200
4
18
140
20
56
400
0.32
25
80
50
7
40
700
150
0.6
5.5
0.3
Design
Limit (4)
5.5
4.5
Unit
VMAX
VMIN
VMAX
VMIN
mVMAX
mVMAX
mVMAX
mΩ
mAMAX
mAMAX
μVrms
mV/1000 hr
dB
mAMAX
mAMIN
VMAX
VMAX
VMIN
(1) All characteristics are measured with a capacitor across the input of 0.1 μF and a capacitor across the output of 10 μF. All
characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tW10 ms, duty cycle5%). Output
voltage changes due to changes in internal temperature must be taken into account separately.
(2) To ensure constant junction temperature, low duty cycle pulse testing is used.
(3) Ensured and 100% production tested.
(4) Ensured (but not 100% production tested) over the operating temperature and input current ranges. These limits are not used to
calculate outgoing quality levels.
2
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Product Folder Links: LM2930
Copyright © 1998–2013, Texas Instruments Incorporated


Part Number LM2930
Description 3-Terminal Positive Regulator
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LM2930 Datasheet PDF






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