LM117K/883 National Semiconductor, LM117K/883 Datasheet

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LM117K/883

Manufacturer Part Number
LM117K/883
Description
Standard Regulator Pos 1.2V to 37V 1.5A 3-Pin (2+Tab) TO-3 Bag
Manufacturer
National Semiconductor
Type
Linearr
Datasheet
1.LM117K883.pdf (28 pages)

Specifications of LM117K/883

Package
3TO-3
Function
Standard
Number Of Outputs
1
Input Voltage Range
41.25 to 4.25 V
Output Voltage
1.2 to 37 V
Maximum Output Current
1.5 A
Output Type
Adjustable
Operating Temperature
-55 to 125 °C
Polarity
Positive
Reference Voltage
1.3 V
Voltage Regulator Type
Linear
Topology
Standard
Regulator Output Type
Adjustable
Polarity Type
Positive
Input Voltage (min)
4.25V
Input Voltage (max)
41.25V
Package Type
TO-3
Output Current
1.5A
Power Dissipation
20W
Load Regulation
0.3%
Line Regulation
22.2mV
Operating Temp Range
-55C to 125C
Operating Temperature Classification
Military
Pin Count
2 +Tab
Mounting
Through Hole
Lead Free Status / Rohs Status
Not Compliant

Available stocks

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Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
LM117K/883
Manufacturer:
NSC
Quantity:
27
Company:
BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
LM117K/883
Manufacturer:
ST
0
Company:
BOSTOCK HK LIMITED BOSTOCK HK LIMITED
Part Number:
LM117K/883QS
Manufacturer:
MICROSEM
Quantity:
780
© 2010 National Semiconductor Corporation
3-Terminal Adjustable Regulator
General Description
The LM117 series of adjustable 3-terminal positive voltage
regulators is capable of supplying either 0.5A or 1.5A over a
1.2V to 37V output range. They are exceptionally easy to use
and require only two external resistors to set the output volt-
age. Further, both line and load regulation are better than
standard fixed regulators.
In addition to higher performance than fixed regulators, the
LM117 series offers full overload protection available only in
IC's. Included on the chip are current limit, thermal overload
protection and safe area protection. All overload protection
circuitry remains fully functional even if the adjustment termi-
nal is disconnected.
Normally, no capacitors are needed unless the device is sit-
uated more than 6 inches from the input filter capacitors in
which case an input bypass is needed. An optional output ca-
pacitor can be added to improve transient response. The
adjustment terminal can be bypassed to achieve very high
ripple rejection ratios which are difficult to achieve with stan-
dard 3-terminal regulators.
Besides replacing fixed regulators, the LM117 is useful in a
wide variety of other applications. Since the regulator is “float-
ing” and sees only the input-to-output differential voltage,
Ordering Information
Note 1: FOR ADDITIONAL DIE INFORMATION, PLEASE VISIT THE HI REL WEB SITE AT: www.national.com/analog/space/level_die
LM117E/883
LM117H/883
LM117HRQMLV
(Note
LM117HRLQMLV
ELDRS Free
LM117K/883
LM117KRQMLV
(Note
LM117WGRQMLV
(Note
LM117WGRLQMLV
ELDRS Free
LM117H MDE
ELDRS Free
LM117H MDR
(Note
LM117H MD8
LM117KG MD8
12)
12)
12)
12)
NS Part Number
(Note
(Note
(Note
13)
13)
13)
201436
5962R9951703VXA
5962R9951705VXA
5962R9951704VYA
5962R9951703VZA
5962R9951705VZA
5962R9951705V9A
5962R9951703V9A
SMD Part Number
100 krad(Si)
100 krad(Si)
100 krad(Si)
100 krad(Si)
100 krad(Si)
100 krad(Si)
100 krad(Si)
LM117QML
supplies of several hundred volts can be regulated as long as
the maximum input to output differential is not exceeded, i.e.,
avoid short-circuiting the output.
Also, it makes an especially simple adjustable switching reg-
ulator, a programmable output regulator, or by connecting a
fixed resistor between the adjustment pin and output, the
LM117 can be used as a precision current regulator. Supplies
with electronic shutdown can be achieved by clamping the
adjustment terminal to ground which programs the output to
1.2V where most loads draw little current.
For the negative complement, see LM137 series data sheet.
Features
■
■
■
■
■
■
■
Available with Radiation Guarantee
— High Dose Rate
— ELDRS Free
Guaranteed max. 0.3% load regulation (LM117)
Guaranteed 0.5A or 1.5A output current
Adjustable output down to 1.2V
Current limit constant with temperature
80 dB ripple rejection
Output is short-circuit protected
NS Package Number
(Note
(Note
(Note
(Note
WG16A
WG16A
E20A
H03A
H03A
H03A
K02C
K02C
1)
1)
1)
1)
Package Description
3LD T0–39 Metal Can
3LD T0–39 Metal Can
3LD T0–39 Metal Can
2LD T0–3 Metal Can
2LD T0–3 Metal Can
16LD Ceramic SOIC
16LD Ceramic SOIC
20LD LCC
November 30, 2010
Bare Die
Bare Die
Bare Die
Bare Die
www.national.com
100 krad(Si)
100 krad(Si)

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LM117K/883 Summary of contents

Page 1

... Since the regulator is “float- ing” and sees only the input-to-output differential voltage, Ordering Information NS Part Number LM117E/883 LM117H/883 LM117HRQMLV (Note 12) LM117HRLQMLV (Note 13) ELDRS Free LM117K/883 LM117KRQMLV (Note 12) LM117WGRQMLV (Note 12) LM117WGRLQMLV (Note 13) ELDRS Free LM117H MDE (Note ...

Page 2

Connection Diagrams (TO-3) Metal Can Package CASE IS OUTPUT Bottom View Steel Package NS Package Number K02C Ceramic SOIC Chip Carrier Top View NS Package Number WG16A (Note 5) LM117 Series Packages Part Number Suffix www.national.com ...

Page 3

Schematic Diagram 3 20143608 www.national.com ...

Page 4

Absolute Maximum Ratings Power Dissipation (Note 3) Input-Output Voltage Differential Storage Temperature Maximum Junction Temperature (T Lead Temperature Metal Package Thermal Resistance   θ JA T0–3 Still Air T0–3 500LF/Min Air flow T0–39 Still Air T0–39 500LF/Min Air flow Ceramic SOIC ...

Page 5

LM117H & WG Electrical Characteristics DC Parameters The following conditions apply, unless otherwise specified. V Symbol Parameter I Adjustment Pin Current Adj I Minimum Load Current Q V Reference Voltage Ref V Line Regulation RLine V Load Regulation RLoad ΔI ...

Page 6

LM117K Electrical Characteristics DC Parameters The following conditions apply, unless otherwise specified. V Symbol Parameter I Adjustment Pin Current Adj I Minimum Load Current Q V Reference Voltage Ref V Line Regulation RLine V Load Regulation RLoad ΔI / Load ...

Page 7

LM117E Electrical Characteristics DC Parameters The following conditions apply, unless otherwise specified. V Symbol Parameter I Adjustment Pin Current Adj I Minimum Load Current Q V Reference Voltage Ref V Line Regulation RLine V Load Regulation RLoad ΔI / Load ...

Page 8

LM117H & Electrical Characteristics DC Parameters (Note 12, Symbol Parameter V Output Voltage O V Line Regulation RLine V Load Regulation RLoad V Thermal Regulation RTh I Adjust Pin Current Adj ΔI / Line Adjust Pin Current Change ...

Page 9

DC Drift Parameters The following conditions apply, unless otherwise specified. Deltas performed on QMLV devices at Group B, Subgroup 5, only. Symbol Parameter V Output Voltage O V Line Regulation RLine I Adjust Pin Current Adj V (Recov) Output Voltage ...

Page 10

LM117K RH Electrical Characteristics DC Parameters (Note 12) Symbol Parameter V Output Voltage O V Line Regulation RLine V Load Regulation RLoad V Thermal Regulation RTh I Adjust Pin Current Adj ΔI / Line Adjust Pin Current Change Adj ΔI ...

Page 11

DC Drift Parameters The following conditions apply, unless otherwise specified. Deltas performed on QMLV devices at Group B, Subgroup 5, only. Symbol Parameter V Output Voltage O V Line Regulation RLine I Adjust Pin Current Adj V (Recov) Output Voltage ...

Page 12

Note 2: 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 guarantee specific performance limits. For guaranteed specifications and test conditions, see the ...

Page 13

Adjustment Current 20143639 Temperature Stability 20143641 Ripple Rejection 20143643 Dropout Voltage Minimum Operating Current Ripple Rejection 13 20143640 20143642 20143644 www.national.com ...

Page 14

Ripple Rejection Line Transient Response www.national.com Output Impedance 20143645 Load Transient Response 20143647 14 20143646 20143648 ...

Page 15

Application Hints In operation, the LM117 develops a nominal 1.25V reference voltage between the output and adjustment terminal. REF The reference voltage is impressed across program resistor R1 and, since the voltage is constant, a constant current I ...

Page 16

Figure 3 shows an LM117 with protection diodes included for use with outputs greater than 25V and high values of output capacitance. D1 protects against C1 D2 protects against C2 FIGURE 3. Regulator with Protection Diodes Typical Applications ...

Page 17

High Stability 10V Regulator 20143611 High Current Adjustable Regulator 17 20143612 www.national.com ...

Page 18

Regulator Full output current not available at high input-output voltages †Solid tantalum *Lights in constant current mode www.national.com 20143613 5A Constant Voltage/Constant Current Regulator 18 Power Follower 20143614 20143615 ...

Page 19

Regulator with Minimum Program Current ≊ *Minimum load current Current Regulator 20143616 20143617 High Gain Amplifier 20143618 19 www.national.com ...

Page 20

A-254168-2 60 turns †Solid tantalum *Core—Arnold A-254168-2 60 turns www.national.com Low Cost 3A Switching Regulator 4A Switching Regulator with Overload Protection Precision Current Limiter 20 20143619 20143620 20143621 ...

Page 21

LM117's higher current limit) — output only ¾ volt of drop occurs in R Adjusting Multiple On-Card Regulators with Single Control* *All outputs within ±100 mV †Minimum load—10 mA Tracking Preregulator Current Limited Voltage Regulator and ...

Page 22

Use of R allows low charging rates with fully charged battery. S www.national.com AC Voltage Regulator 12V Battery Charger 50mA Constant Current Battery Charger 20143627 22 20143625 20143626 ...

Page 23

Adjustable 4A Regulator 1.2V–25V Adjustable Regulator Full output current not available at high input-output voltages *Needed if device is more than 6 inches from filter capacitors. †Optional—improves transient response. Output capacitors in the range of 1μF to 1000μF of aluminum ...

Page 24

Revision History Date Released Revision 03/17/06 A New Release to corporate format 06/29/06 B Features, Ordering Information Table, Rad Hard Electrical Section for H and WG packages and Notes 11/30/2010 C Features, Ordering Table, Absolute Ratings, LM117H, WG and K ...

Page 25

Physical Dimensions inches (millimeters) unless otherwise noted (TO-39) Metal Can Package NS Package Number H03A TO-3 Metal Can Package (K) NS Package Number K02C 25 www.national.com ...

Page 26

Ceramic Leadless Chip Carrier NS Package Number E20A Ceramic SOIC NS Package Number WG16A 26 ...

Page 27

Notes 27 www.national.com ...

Page 28

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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