EN5394QI-T Ver la hoja de datos (PDF) - Enpirion, Inc.

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EN5394QI-T

Feature Rich 9A Voltage Mode Synchronous Buck PWM DC-DC Converter with Integrated Inductor

Enpirion, Inc. 

EN5394QI

Load Transient: VIN = 5.0V, VOUT = 1.2V

Ch.1: VOUT, Ch.4: ILOAD 0↔9A (slew rate ≥ 10A/µS)

CIN ≈ 50μF, COUT ≈ 100μF

RA = 150kΩ, CA = 33pF (see Figure 4)

Load Transient: VIN = 3.3V, VOUT = 1.2V

Ch.1: VOUT, Ch.4: ILOAD 0↔9A (slew rate ≥ 10A/µS)

CIN ≈ 50μF, COUT ≈ 100μF

RA = 100kΩ, CA = 56pF (see Figure 4)

Power Up/Down at No Load: VIN/VOUT = 5.0V/1.2V,

15nF soft-start capacitor,

Ch.1: ENABLE, Ch.2: VOUT, Ch.3; POK

Delay vs. S_Delay Resistance

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S_Delar R (kohm)

Delay vs. S_Delay Resistance

©Enpirion 2009 all rights reserved, E&OE

03738

Power Up/Down into 0.2Ω load: VIN/VOUT = 5.0V/1.2V,

15nF soft-start capacitor,

Ch.1: ENABLE, Ch.2: VOUT, Ch.3; POK

8

8/21/2009

ENABLE Lockout Operation

Ch.1: ENABLE, Ch2: VOUT

www.enpirion.com

Rev:B

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