SC403B View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

SC403B

6A EcoSpeed® Integrated FET Regulator with Programmable LDO

Semtech Corporation 

SC403B

Typical Characteristics (continued)

Characteristics in this section are based on using the applicable Detailed Application Circuit — 2.

Powersave Mode — No Load

VIN = 12V, VOUT = 1.2V, IOUT = 0A, VLDO = VDD = EN/PSV= ENL = 5V

Forced Continuous Mode — No Load

VIN = 12V, VOUT = 1.5V, IOUT = 0A, VLDO = VDD = ENL = 3.3V, EN/PSV= floating

(20mV/div)

(20mV/div)

(10V/div)

Time (10µs��/d��iv��)

Self-Biased Start-Up — Power Good True

VIN = 0V to 12V step, VOUT = 1.2V, IOUT = 0A, VLDO = VDD = EN/PSV= ENL = 5V

(10V/div)

(500mV/div)

(5V/div)

(5V/div)

Time (1ms��/d��iv��)

Self-Biased Start-Up — Power Good True

VIN = 12V step, VOUT = 1.2V, IOUT = 0A, external VDD = EN/PSV= 5V

(20mV/div)

(10V/div)

Time (10µs��/d��iv��)

Enabled Loaded Output

VIN = 12V, VOUT = 1.2V, IOUT = 1A, VLDO = VDD = ENL = EN/PSV= 5V

(10V/div)

(500mV/div)

(5V/div)

Time (1ms��/d��iv��)

Self-Biased Start-Up — Power Good True

VIN = 12V step, VOUT = 1.2V, IOUT = 300mA, external VDD = EN/PSV= 5V

(20mV/div)

(10V/div)

Time (4ms��/d��iv��)

(10V/div)

Time (4µs��/d��iv��)

11

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