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LM26420XSQ +BOM

High frequency switching regulator

Produttore:

TI
ProduttorePart #:

LM26420XSQ
Scheda dati:

LM26420XSQ Scheda dati (PDF)
Part Life Cycle Code:

Transferred
Reach Compliance Code:

not_compliant
ECCN Code:

EAR99
HTS Code:

8542.39.00.01
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per LM26420XSQ

LM26420XSQ Descrizione generale

Description for the LM26420The LM26420regulator is a monolithic, high-efficiency dual PWM step-down DC/DC converter. This device has theability to drive two 2-A loads with an internal 75-mΩ PMOS top switch and an internal 50-mΩ NMOSbottom switch using state-of-the-art BICMOS technology results in the best power density available.The world-class control circuitry allow on times as low as 30 ns, thus supporting exceptionallyhigh-frequency conversion over the entire 3-V to 5.5-V input operating range down to the minimumoutput voltage of 0.8 V. Although the operating frequency is high, efficiencies up to 93% are easy to achieve.External shutdown is included, featuring an ultra-low standby current. The LM26420 utilizes current-modecontrol and internal compensation to provide high performance regulation over a wide range ofoperating conditions.

Caratteristiche principali

Features for the LM26420

Compliant with CISPR25 Class 5 ConductedEmissions
Input Voltage Range of 3 V to 5.5 V
Output Voltage Range of 0.8 V to 4.5 V
2-A Output Current per Regulator
High Switching Frequency: 2.2 MHz (LM26420X) 0.55 MHz (LM26420Y)
0.8 V, 1.5% Internal Voltage Reference
Internal Soft Start
Independent Power Good and Precision Enable for Each Output
Current Mode, PWM Operation
Thermal Shutdown
Overvoltage Protection
Start-up into Prebiased Output Loads
Regulators are 180° Out of Phase
Create a Custom Design Using the LM26420 With theWEBENCH^® Power Designer

Specifiche

Source Content uid	LM26420XSQ	Part Life Cycle Code	Transferred
Reach Compliance Code	not_compliant	ECCN Code	EAR99
HTS Code	8542.39.00.01	Additional Feature	ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 4.5V
Analog IC - Other Type	DUAL SWITCHING CONTROLLER	Control Mode	CURRENT-MODE
Control Technique	PULSE WIDTH MODULATION	Input Voltage-Max	5.5 V
Input Voltage-Min	3 V	Input Voltage-Nom	5 V
JESD-30 Code	S-XQCC-N16	JESD-609 Code	e0
Length	4 mm	Moisture Sensitivity Level	3
Number of Functions	1	Number of Terminals	16
Operating Temperature-Max	125 °C	Operating Temperature-Min	-40 °C
Peak Reflow Temperature (Cel)	260	Qualification Status	Not Qualified
Seated Height-Max	0.8 mm	Surface Mount	YES
Switcher Configuration	PHASE-SHIFT	Switching Frequency-Max	2650 kHz
Technology	BICMOS	Temperature Grade	AUTOMOTIVE
Terminal Finish	Tin/Lead (Sn85Pb15)	Terminal Form	NO LEAD
Terminal Pitch	0.65 mm	Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	40	Width	4 mm

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