jl117sya National Semiconductor Corporation, jl117sya Datasheet

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jl117sya

Manufacturer Part Number
jl117sya
Description
Lm117jan 3-terminal Adjustable Regulator
Manufacturer
National Semiconductor Corporation
Datasheet
© 2006 National Semiconductor Corporation
LM117JAN
3-Terminal Adjustable Regulator
General Description
The LM117 adjustable 3-terminal positive voltage regulator
is capable of supplying either 0.5A or 1.5A over a 1.2V to
37V output range. It is exceptionally easy to use and re-
quires only two external resistors to set the output voltage.
Further, both line and load regulation are better than stan-
dard 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 ter-
minal is disconnected.
Normally, no capacitors are needed unless the device is
situated more than 6 inches from the input filter capacitors in
which case an input bypass is needed. An optional output
capacitor 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
Ordering Information
Connection Diagrams
CASE IS OUTPUT
NS Part Number
JL117BXA
JL117SXA
JL117BYA
JL117SYA
NS Package Number K02C
Metal Can Package
Steel Package
Bottom View
(TO-3)
JAN Part Number
JM38510/11703BXA
JM38510/11703SXA
JM38510/11704BYA
JM38510/11704SYA
20149030
DS201490
“floating” and sees only the input-to-output differential volt-
age, supplies of several hundred volts can be regulated as
long as the maximum input to output differential is not ex-
ceeded, i.e., avoid short-circuiting the output.
Also, it makes an especially simple adjustable switching
regulator, 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. Sup-
plies with electronic shutdown can be achieved by clamping
the adjustment terminal to ground which programs the out-
put to 1.2V where most loads draw little current.
For the negative complement, see LM137 series data sheet.
Features
n Guaranteed 0.5A or 1.5A output current
n Adjustable output down to 1.2V
n Current limit constant with temperature
n 80 dB ripple rejection
n Output is short-circuit protected
NS Package Number
CASE IS OUTPUT
H03A
H03A
K02C
K02C
NS Package Number H03A
Metal Can Package
Bottom View
(TO-39)
Package Description
3LD T0–39 Metal Can
3LD T0–39 Metal Can
2LD T0–3 Metal Can
2LD T0–3 Metal Can
20149031
www.national.com
March 2006

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jl117sya Summary of contents

Page 1

... Since the regulator is Ordering Information NS Part Number JAN Part Number JL117BXA JM38510/11703BXA JL117SXA JM38510/11703SXA JL117BYA JM38510/11704BYA JL117SYA JM38510/11704SYA Connection Diagrams (TO-3) Metal Can Package CASE IS OUTPUT Bottom View Steel Package NS Package Number K02C © 2006 National Semiconductor Corporation “ ...

Page 2

Connection Diagrams Part Number Suffix K H Schematic Diagram www.national.com (Continued) LM117 Series Packages Package TO-3 T0–39 2 Design Load Current 1.5A 0.5A 20149008 ...

Page 3

Absolute Maximum Ratings Power Dissipation (Note 2) Input-Output Voltage Differential Storage Temperature Maximum Junction Temperature (T Jmax 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 θ ...

Page 4

LM117H JAN Electrical Characteristics DC Parameters Symbol Parameter V Output Voltage O V Line Regulation RLine V Load Regulation RLoad θ Thermal Regulation R I Adjust Pin Current Adj ∆I / Line Adjust Pin Current Change Adj ∆I / Load ...

Page 5

LM117H JAN Electrical Characteristics DC Drift Parameters Deltas performed on JAN S devices at Group B, Subgroup 5, only. Symbol Parameter V Output Voltage O V Line Regulation RLine I Adjust Pin Current Adj (Continued) Conditions Notes V = 4.25V, ...

Page 6

LM117K JAN Electrical Characteristics DC Parameters Symbol Parameter V Output Voltage O V Line Regulation RLine V Load Regulation RLoad θ Thermal Regulation R I Adjust Pin Current Adj ∆I / Line Adjust Pin Current Change Adj ∆I / Load ...

Page 7

LM117K JAN Electrical Characteristics DC Drift Parameters Deltas performed on JAN S devices at Group B, Subgroup 5, only. Symbol Parameter V Output Voltage O V Line Regulation RLine I Adjust Pin Current Adj Note 1: Absolute Maximum Ratings indicate ...

Page 8

Typical Performance Characteristics Load Regulation Adjustment Current Temperature Stability www.national.com Output Capacitor = 0µF unless otherwise noted 20149037 Dropout Voltage 20149039 Minimum Operating Current 20149041 8 Current Limit 20149038 20149040 20149042 ...

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Typical Performance Characteristics Ripple Rejection Ripple Rejection Line Transient Response Output Capacitor = 0µF unless otherwise noted (Continued) Ripple Rejection 20149043 Output Impedance 20149045 Load Transient Response 20149047 9 20149044 20149046 20149048 www.national.com ...

Page 10

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 11

Application Hints (Continued) when either the input or output is shorted. Internal to the LM117 is a 50Ω resistor which limits the peak discharge current. No protection is needed for output voltages of 25V or less and 10µF capacitance. Figure ...

Page 12

Typical Applications ‡ Optional — improves ripple rejection † Solid tantalum *Minimum load current = 30 mA www.national.com (Continued) High Stability 10V Regulator High Current Adjustable Regulator 12 20149011 20149012 ...

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Typical Applications (Continued 30V Regulator Full output current not available at high input-output voltages 5A Constant Voltage/Constant Current Regulator † Solid tantalum *Lights in constant current mode 20149013 13 Power Follower 20149014 20149015 www.national.com ...

Page 14

Typical Applications 1A Current Regulator † Solid tantalum *Core — Arnold A-254168-2 60 turns www.national.com (Continued) 1.2V–20V Regulator with Minimum Program Current 20149016 *Minimum load current ) 4 mA High Gain Amplifier 20149018 Low Cost 3A Switching Regulator 14 20149017 ...

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Typical Applications (Continued) 4A Switching Regulator with Overload Protection † Solid tantalum *Core — Arnold A-254168-2 60 turns Precision Current Limiter 20149021 Tracking Preregulator 20149022 15 20149020 www.national.com ...

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Typical Applications (Compared to LM117’s higher current limit) — output only 3 ⁄ volt of drop occurs Adjusting Multiple On-Card Regulators with Single Control* ± *All outputs within 100 mV † Minimum load — ...

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Typical Applications (Continued) Use of R allows low charging rates with fully charged battery Voltage Regulator 12V Battery Charger 50mA Constant Current Battery Charger 20149027 17 20149025 20149026 www.national.com ...

Page 18

Typical Applications 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 ...

Page 19

Revision History Date Released Revision 03/14/06 A New Release to corporate format Section Originator 2 MDS data sheets were consolidated into one corporate data sheet format. L. Lytle MJLM117–K Rev 0C1 and MJLM117–H Rev 1A1 will be archived. 19 Changes ...

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Physical Dimensions www.national.com inches (millimeters) unless otherwise noted TO-3 Metal Can Package (K) NS Package Number K02C (TO-39) Metal Can Package NS Package Number H03A 20 ...

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National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. For the most current product information ...

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