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LM3475MF/NOPB

10-V, hysteretic PFET buck controller

Manufacturer: Texas Instruments, Inc
Mfr.Part #: LM3475MF/NOPB
Datasheet: LM3475MF/NOPB Datasheet (PDF)
Package/Case: SOT23-5
Product Type: Power Management ICs
RoHS:
Lifecycle: Active
EDA/CAD Models: Request Free CAD Models for LM3475MF/NOPB

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LM3475MF/NOPB General Description

The LM3475 is a hysteretic P-FET buck controller designed to support a wide range of high efficiency applications in a very small SOT-23-5 package. The hysteretic control scheme has several advantages, including simple system design with no external compensation, stable operation with a wide range of components, and extremely fast transient response. Hysteretic control also provides high efficiency operation, even at light loads. The PFET architecture allows for low component count as well as 100% duty cycle and ultra-low dropout operation.

Key Features

Easy-to-Use Control Methodology
0.8 V to V_IN Adjustable Output Range
High Efficiency (90% Typical)
±0.9% (±1.5% Over Temperature) Feedback
Voltage
100% Duty Cycle Capable
Maximum Operating Frequency up to 2 MHz
Internal Soft-Start
Enable Pin

Specifications

Vin (min) (V)	2.7	Vin (max) (V)	10
Vout (min) (V)	0.8	Vout (max) (V)	10
Iout (max) (A)	5	Iq (typ) (mA)	0.26
Switching frequency (min) (kHz)	100	Switching frequency (max) (kHz)	2000
Features	Enable, Light Load Efficiency	Operating temperature range (°C)	-40 to 125
Regulated outputs (#)	1	Number of phases	1
Rating	Catalog	Control mode	Hysteretic
Type	Controller	feature-topology	Step Down
feature-number-of-outputs	1	feature-output-voltage-v	0.8 to 10
feature-minimum-output-current-a		feature-maximum-output-current-a	5
feature-minimum-input-voltage-v	2.7	feature-maximum-switching-frequency-khz	2000
feature-maximum-input-voltage-v	10	feature-operating-supply-voltage-v	2.7 to 10
feature-maximum-supply-current-ma		feature-maximum-power-dissipation-mw	440
feature-minimum-switching-frequency-khz	100	feature-synchronous-rectifier	No
feature-synchronous-clock	No	feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	5
feature-supplier-package	SOT-23	feature-standard-package-name1	SOT
feature-cecc-qualified	No	feature-esd-protection	Yes
feature-military	No	feature-aec-qualified	No
feature-aec-qualified-number		feature-auto-motive	No
feature-p-pap	No	feature-eccn-code	EAR99
feature-svhc	No	feature-svhc-exceeds-threshold	No

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Ratings and Reviews

L**m 04/21/2024

The programmer came very quickly. Two days ahead of the expected delivery. Track tracked. Purchase is very satisfied! Well done!

C**e 06/29/2020

Avaq has truly impressed me with their LTP2884 components. The devices are exactly as described, original and brand new, meeting my expectations for top-notch performance.

L**n 03/24/2020

haven't tested but looks like original parts, thanks!!On tape in good condition. Fast!

K**n 03/18/2020

The item is as described and pictured. This is the one I needed, short shaft.