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LM3352 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM3352
Description  Regulated 200 mA Buck-Boost Switched Capacitor DC/DC Converter
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 4 page
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Electrical Characteristics (Continued)
Limits in standard typeface are for T
J = 25˚C, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: C
1 = C2 = C3 = 0.33 µF; CIN = 15 µF; COUT = 33 µF; VIN = 3.5V.
Parameter
Conditions
Min
Typ
Max
Units
LM3352-ALL OUTPUT VOLTAGE VERSIONS
SD Input Current
Measured at SD Pin;
SD Pin = V
IN = 5.5V
0.1
1.0
µA
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: As long as TA ≤ +85˚C, all electrical characteristics hold true for the 3.0V and 3.3V options at all current loads and the 2.5V option at all loads when VIN
5V. For VIN > 5V with the 2.5V option, the junction temperature rise above ambient is: ∆T = 540IL−23 where IL is in amps. The output current must be derated at
higher ambient temperatures to make sure TJ does not exceed 150˚C when operating the 2.5V option at VIN > 5V.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. The machine model is a 200 pF capacitor discharged di-
rectly into each pin.
Note 4: The VOUT pin is forced to 200 mV above the typical VOUT. This is to insure that the internal switches are off.
Note 5: The output capacitor COUT is fully discharged before measurement.
Typical Performance Characteristics Unless otherwise specified T
A = 25˚C.
V
OUT vs. VIN
DS101037-4
V
OUT vs. VIN
DS101037-5
V
OUT vs. VIN
DS101037-6
V
OUT vs. VIN
DS101037-7
www.national.com
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