X-On Electronics has gained recognition as a prominent supplier of L5970ADTR Switching Voltage Regulators across the USA, India, Europe, Australia, and various other global locations. L5970ADTR Switching Voltage Regulators are a product manufactured by STMicroelectronics. We provide cost-effective solutions for Switching Voltage Regulators, ensuring timely deliveries around the world.

L5970ADTR STMicroelectronics

L5970ADTR electronic component of STMicroelectronics
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Part No.L5970ADTR
Manufacturer: STMicroelectronics
Category: Switching Voltage Regulators
Description: Voltage Regulators - Switching Regulators STEP DOWN MONOLITHIC SWITCH REG 1.5A
Datasheet: L5970ADTR Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 1.9655 ea
Line Total: USD 1.97 
Availability - 837
Ship by Tue. 19 Nov to Fri. 22 Nov
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
1104
Ship by Tue. 12 Nov to Mon. 18 Nov
MOQ : 1
Multiples : 1
1 : USD 1.793
10 : USD 1.7654
25 : USD 1.7376
100 : USD 1.71
250 : USD 1.6825
500 : USD 1.6547
1000 : USD 1.6271

837
Ship by Tue. 19 Nov to Fri. 22 Nov
MOQ : 1
Multiples : 1
1 : USD 1.9655
10 : USD 1.6551
30 : USD 1.483
100 : USD 1.2921
500 : USD 1.2061
1000 : USD 1.1679

1104
Ship by Tue. 12 Nov to Mon. 18 Nov
MOQ : 6
Multiples : 1
6 : USD 1.6932
10 : USD 1.6537
25 : USD 1.6372
100 : USD 1.6347
250 : USD 1.6321
500 : USD 1.6296
1000 : USD 1.6271

   
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Mounting Style
Package / Case
Output Voltage
Output Current
Number of Outputs
Input Voltage MAX
Topology
Input Voltage MIN
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Input Voltage
Operating Temperature Range
Type
Brand
Shutdown
Load Regulation
Factory Pack Quantity :
Supply Voltage - Min
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We are delighted to provide the L5970ADTR from our Switching Voltage Regulators category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the L5970ADTR and other electronic components in the Switching Voltage Regulators category and beyond.

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L5970AD 1.5A SWITCH STEP DOWN SWITCHING REGULATOR 1 General Features Figure 1. Package 1.5A INTERNAL SWITCH OPERATING INPUT VOLTAGE FROM 4.4V TO 36V 3.3V / (2%) REFERENCE VOLTAGE OUTPUT VOLTAGE ADJUSTABLE FROM SO-8 1.235V TO 35V LOW DROPOUT OPERATION: 100% DUTY Table 1. Order Codes CYCLE Part Number Package 500KHz INTERNALLY FIXED FREQUENCY L5970AD SO-8 VOLTAGE FEEDFORWARD L5970ADTR SO-8 in Tape & Reel ZERO LOAD CURRENT OPERATION INTERNAL CURRENT LIMITING 2 Description INHIBIT FOR ZERO CURRENT CONSUMPTION The L5970AD is a step down monolithic power SYNCHRONIZATION switching regulator with a switch current limit of 1.5A so it is able to deliver more than 1A DC current to the PROTECTION AGAINST FEEDBACK load depending on the application conditions. DISCONNECTION The output voltage can be set from 1.235V to 35V. THERMAL SHUTDOWN The device uses an internal P-Channel D-MOS tran- 1.1 APPLICATIONS: sistor (with a typical R of 200m ) as switching DSON CONSUMER: STB, DVD, TV, VCR,CAR element to avoid the use of bootstrap capacitor and RADIO, LCD MONITORS guarantee high efficiency. NETWORKING: XDSL, MODEMS,DC-DC An internal oscillator fixes the switching frequency at MODULES 500KHz to minimize the size of external components. COMPUTER: PRINTERS, AUDIO/GRAPHIC Having a minimum input voltage of 4.4V only, it is CARDS, OPTICAL STORAGE, HARD DISK particularly suitable for 5V bus, available in all com- DRIVE puter related applications. INDUSTRIAL: CHARGERS, CAR BATTERY Pulse by pulse current limit with the internal frequen- DC-DC CONVERTERS cy modulation offers an effective constant current short circuit protection. Figure 2. Test and Application Circuit VREF L1 15H 3.3V VOUT=3.3V 6 OUT 1 VIN = 4.4V to 35V VCC D1 8 R1 L5970AD STPS2L25U SYNC. 2 5.6K C2 5 COMP 330F 3 7 C1 4 FB 10V C4 10F INH GND 22nF 35V R2 CERAMIC 3.3K C3 R3 220pF 4.7K D05IN1530 Rev. 1 March 2005 1/11L5970AD Table 2. Thermal Data Symbol Parameter Value Unit R Thermal Resistance Junction to ambient Max. 120 (*) C/W th (j-amb) (*) Package mounted on board Figure 3. Pin Connection (top view) OUT 1 8 VCC SYNC 2 7 GND INH 3 6 VREF COMP 4 5 FB D98IN955 Table 3. Pin Description N. Name Description 1 OUT Regulator Output. 2 SYNC Master/Slave Synchronization. When it is open, a signal synchronous with the turn-off of the inter- nal power is present at the pin. When connected to an external signal at a frequency higher than the internal one, then the device is synchronized by the external signal. Connecting together the SYNC pin of two devices, the one with the higher frequency works as master and the other one, works as slave. 3INH A logical signal (active high) disables the device. With IHN higher than 2.2V the device is OFF and with INH lower than 0.8V, the device is ON. If INH is not used the pin must be grounded. When it is open, an internal pull-up disables the device. 4 COMP E/A output to be used for frequency compensation. 5 FB Stepdown feedback input. Connecting the output voltage directly to this pin results in an output voltage of 1.235V. An external resistor divider is required for higher output voltages (the typical value for the resistor connected between this pin and ground is 4.7K). 6V Reference voltage of 3.3V. No filter capacitor is needed to stability. REF 7 GND Ground. 8V Unregulated DC input voltage. CC Table 4. Absolute Maximum Ratings Symbol Parameter Value Unit V Input Voltage 40 V 8 Output DC voltage -1 to 40 V V 1 Output peak voltage at t = 0.1s -5 to 40 V I Maximum output current int. limit. 1 V , V Analog pins 4 V 4 5 V INH -0.3V to V 3 CC V SYNC -0.3 to 4 V 2 P Power dissipation at T 60C 0.75 W tot amb T Operating junction temperature range -40 to 150 C j T Storage temperature range -55 to 150 C stg 2/11

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN
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