Categories

Power Management ICs

Brand Name:

Model Number:

LM5161PWPR

Place of Origin:

original

MOQ:

Price:

Negotiable

Payment Terms:

L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability:

999999

Delivery Time:

1 - 3 days

Packaging Details:

standard

Mounting Type:

Surface Mount

Package / Case:

14-PowerTSSOP (0.173", 4.40mm Width)

Supplier Device Package:

14-HTSSOP

Operating Temperature:

-40°C ~125°C

Voltage - Input (Min):

4.5V

Voltage - Input (Max):

100V

PN:

LM5161PWPR

Description

The LM5161PWPR ,LM5161 is a 100-V, 1-A synchronous step-down converter with integrated high-side and low-side MOSFETs. The constant-ON-time control scheme requires no loop compensation and supports high step-down ratios with fast transient response. An internal feedback amplifier maintains ±1% output voltage regulation over the entire operating temperature range.

The ON-time varies inversely with input voltage resulting in nearly constant switching frequency. Peak and valley current limit circuits protect against overload conditions. The undervoltage lockout (EN/UVLO) circuit provides independently adjustable input undervoltage threshold and hysteresis. The FPWM input pin in LM5161 selects either the forced continuous conduction mode (CCM) under all load levels or the discontinuous conduction mode (DCM) under light or no load conditions. When operating in forced CCM, the LM5161 supports the multiple output and isolated Fly-Buck applications. When programmed for the DCM operation, the LM5161 provides a tightly regulated buck output without any additional external feedback ripple injection circuit.

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Function	Step-Down
Output Configuration	Positive, Isolation Capable
Topology	Buck, Flyback
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	100V
Voltage - Output (Min/Fixed)	2V
Voltage - Output (Max)	92V
Current - Output	1A
Frequency - Switching	50kHz ~ 1MHz
Synchronous Rectifier	Yes
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	14-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package	14-HTSSOP
Base Product Number	LM5161

LM5161PWPR PMIC Circuit Buck Flyback Switching Regulator Isolation Capable 2V

LM5161PWPR PMIC Circuit Buck Flyback Switching Regulator Isolation Capable 2V

LM5161PWPR PMIC Circuit Buck Flyback Switching Regulator Isolation Capable 2V

LM5161PWPR PMIC Circuit Buck Flyback Switching Regulator Isolation Capable 2V


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