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LM3370 Datasheet(PDF) 10 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM3370
Description  Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3370 Datasheet(HTML) 10 Page - National Semiconductor (TI)

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Typical Performance Characteristics LM3370, Circuit of Figure1, V
IN = 3.6V, VOUT1 =1.5V&VOUT2
= 2.5V, L = 2,2µH (NR3015T2R2M), C
IN = 4.7µF (0805) and COUT = 10µF (0805) & TA = 25˚C, unless otherwise
noted. (Continued)
Typical Operation Waveform
V
IN = 3.6V, VOUT1 = 1.5V, VOUT2 = 2.5V,
Load = 600mA Each
Start-up at PWM for BUCK1
(V
IN = 3.6V, VOUT = 1.5V, Load = 200mA )
20167322
20167327
Start-up at PWM for BUCK2
(V
IN = 3.6V, VOUT = 2.5V, Load = 200mA )
Line Transient
(V
OUT1 = 1.2V )
20167325
20167330
Line Transient
(V
OUT2 = 1.8V )
Load Transient in PFM MODE
(V
OUT1 = 1.5V )
20167331
20167332
www.national.com
10


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