|Category||Power Management => Regulators => Linear Regulators => LDO (Low Drop Out)|
|Description||1A Fixed 9V Low Dropout Voltage Regulator (LDO)|
|Datasheet||Download KA78R09 datasheet
/ 9V Output low dropout voltage regulator TO220 Full-Mold package (4PIN) Overcurrent protection, Thermal shutdown Overvoltage protection, Short-Circuit protection With output disable functionDescription
The is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 lead full mold package. Dropout voltage KA78R09 is below 0.5V in full rated current(1A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function.
Parameter Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Thermal Resistance, Junction-to Case (Note2) Thermal Resistance, Junction-to-Air (Note2) Thermal Shutdown Temperature Symbol Vin Vdis Pd2 Tj Topr Rjc Rja Ttsd Value Unit °C °C/W °C Remark No Heatsink With Heatsink -
(Vin = 25 °C, unless otherwise specified) Parameter Output Voltage Load Regulation Line Regulation Ripple Rejection Ratio Dropout Voltage Disable Voltage High Disable Voltage Low Disable Bias Current High Disable Bias Current Low Quiescent Current Symbol Vo Rload Rline RR Vdrop VdisH VdisL IdisH IdisL 10V < Vin = 1A Output Active Output Disabled Vdis = 2.7V Vdis = 0A Conditions Min. 45 2.0 Typ. Max. Unit µA mA
Note: 1.These parameters, although guaranteed, are not 100% tested in production. 2. Junction -to -case thermal resistance test enviroments. Pneumatic heat sink fixture. Clamping pressure 60psi through 12mm diameter cylinder. Thermal grease applied between PKG and heat sink fixture
|Related products with the same datasheet|
|Some Part number from the same manufacture Fairchild Semiconductor|
|KA78R09C 1A Fixed 9V Low Dropout Voltage Regulator (LDO)|
|KA78R12 1A Fixed 12V Low Dropout Voltage Regulator (LDO)|
|KA78R15 1A Fixed 15V Low Dropout Voltage Regulator (LDO)|
|KA78R33 1A Fixed 3.3V Low Dropout Voltage Regulator (LDO)|
|KA78RH33 0.8A Fixed 3.3V Low Dropout Voltage Regulator (LDO)|
|KA78RL00 Low Dropout Voltage Regulator|
|KA78RL00D 0.1A Adjustable Low Dropout Voltage Regulator (LDO)|
|KA78RM33 0.5A Fixed 3.3V Low Dropout Voltage Regulator (LDO)|
|KA78T05 3-Terminal 3A Positive Voltage Regulator|
|KA78T06 3-terminal 3a Positive Voltage Regulator|
|KA78T12 3-Terminal 3A Positive Voltage Regulator|
|KA78TXX 3-terminal 3a Positive Voltage Regulator|
|KA78XX 3-terminal 1a Positive Voltage Regulator|
|KA7905 3-Terminal 1A Negative Voltage Regulator|
CS5165 : Fast, Precise 5-bit Synchronous Buck Controller For The Next Generation Low Voltage Pentium (r) ii Processors.
GSPPJ-0515STM : Power Plug. Power Plug 10W Small Case Wall Plug in Power Plug Ac/dc SMPS.
IRFK2D054 : ISOlated Base Power Hex Pak(tm) Assembly- Half Bridge Configuration.
KA3524 : SMPS Controller. Complete PWM power control circuit Operation beyond 100KHz 2% frequency stability with temperature Total quiescent current less than 10mA Single ended or push-pull outputs Current limit amplifier provides external component protection On-chip protection against excessive junction temperature and output current 5V, 50mA linear regulator output available.
MAX8523 : MAX8523 High-Speed, Dual-phase Gate Driver For Multiphase, Step-down Converters.
MQO : . +125° C operation TO 40 VDC input Four fully regulated outputs Internal EMI filter meets MIL-STD-461C CE03 Active transient suppressor Built in hold-up function with flag Fully isolated Magnetic feedback Fixed frequency, 550 kHz typical Topology Single Ended Forward Inhibit function Indefinite short circuit protection Undervoltage lockout Size (max.):.
P26TG-2405E41 : Power/w = 6 ;; Input/vdc = 9-36/18-72 ;; Output/vdc = 3,3/5/12/15/18Regulated ;; ISOlation = 1500V ;; Package = DIP24.
PT79SR115H : Plug-in Power Solutions->Non-Isolated->Single Nega. ti PT79SR115, (-)15Vout 1.5Amp Wide-input Negative Step-down Isr.
SP2525-1 : System Power->USB Power Switch. iq = 80µA ;; Vin Min. = 3V ;; Vin Max. = 5.5V ;; Iout = Yes ;; Enable (V) = X ;; Package = 8 Pin Nsoic.
TCL1117 : 800ma Low Dropout Positive Regulators Adjustable And Fixed 2.85v, 3.30v, 5.00v.
TLE4279 : Fixed. 5v Low-drop Fixed Voltage Regulator. Output voltage tolerance mA current capability Very low current consumption Early warning Reset output low down 1 V Overtemperature protection Reverse polarity proof Adjustable reset threshold Very low-drop voltage Wide temperature range Ordering Code Q67006-A9225-C703 Package P-DSO-8-3 P-DSO-14-8 This device is an automotive suited voltage regulator.
UC1847J : Current Mode. ti UC1847, Current Mode PWM Controller. The UC1846/7 family of control ICs provides all of the necessary to implement fixed frequency, current mode control Programmable Pulse-by-Pulse Current schemes while maintaining a minimum external parts count. The Limiting superior performance of this technique can be measured in imAutomatic Symmetry Correction in Push-pull proved line regulation, enhanced.
UC3524D : Voltage Mode. ti UC3524, Advanced Regulating Pulse Width Modulators. Complete PWM Power Control Circuitry Uncommitted Outputs for Single-ended or Push-pull Applications Low Standby Current8mA Typical Interchangeable with SG1524, SG2524 and SG3524, Respectively The UC1524, UC2524 and UC3524 incorporate on a single monolithic chip all the functions required for the construction of regulating power supplies, inverters or switching.
UCC283-5 : Low Dropout 3-a Linear Regulator Family. Voltage Regulation 0.45 V Dropout 50 mV Dropout 10 mA Quiescent Current Under 650 µA Irrespective of Load Adjustable (5-Lead) Output Voltage Version Fixed (3-Lead) Versions for 3.3-V and 5-V Outputs Logic Shutdown Capability Short-Circuit Power Limit (3% × VIN × ISHORT) Low VOUT to VIN Reverse Leakage Thermal Shutdown The UCC2833/5/ADJ family of positive.
NJU7757 : Low dropout voltage regulator with ON/OFF control. NJU7757/58 is a low dropout voltage regulator with ON/OFF control. Advanced CMOS technology achieves low quiescent current. SC-82AB package and 0.1uF small output capacitor make the NJU7757/58 suitable for space conscious applications. NJU7758 shunt switch which improves turn off response of output.
UCC28019A : 8-Pin Continuous Conduction Mode (CCM) PFC Controller The UCC28019A 8-pin active Power Factor Correction (PFC) controller uses the boost topology operating in Continuous Conduction Mode (CCM). The controller is suitable for systems in the 100 W to 2 kW range over a wide-range universal ac line input. Start-up current during under-voltage lockout is less.
TPS55340 : Integrated, 5-A 40-V Wide Input Range Boost/SEPIC/Flyback DC-DC Converter The TPS55340 is a monolithic non-synchronous switching regulator with integrated 5-A, 40-V power switch. It can be configured in several standard switching-regulator topologies, including boost, SEPIC and isolated flyback. The device has a wide input voltage range to support applications.