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LM3354-37 Datasheet(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM3354-37
Description  Regulated 90mA Buck-Boost Switched Capacitor DC/DC
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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 3 page
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
All Pins
−0.5V to 5.6V
Power Dissipation (T
A = 25˚C)
(Note 2)
Internally Limited
T
JMAX (Note 2)
150˚C
θ
JA (Note 2)
250˚C/W
Storage Temperature
−65˚C to +150˚C
Lead Temperature (Soldering, 5
sec.)
260˚C
ESD Rating (Note 3)
Human Body Model
Machine Model
1.5 kV
100V
Operating Ratings
Input Voltage (V
IN)
2.5V to 5.5V
Output Voltage (V
OUT)
1.8V to 5.0V
Ambient Temperature (T
A) (Note 2)
−40˚C to +85˚C
Junction Temperature (T
J) (Note 2)
−40˚C to +120˚C
Electrical Characteristics
Limits in standard typeface are for T
A = 25˚C, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: C
1 =C2 = 0.33 µF; CIN = 10 µF; COUT = 10 µF; CFIL = 1 µF; VIN = 3.5V.
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
LM3354-3.7
Output Voltage (V
OUT
)
V
IN = (2.7, 5.5) V
I
L = (1, 70) mA
3.589/3.552
3.7
3.811/3.848
V
V
IN = (2.8, 4.0) V
I
L = (1, 90) mA
3.589/3.552
3.7
3.811/3.848
V
IN = (4.3, 5.5) V
I
L = (1, 90) mA
3.589/3.552
3.7
3.811/3.848
Efficiency
I
LOAD =15mA
75
%
I
LOAD=70mA
70
Output Voltage
Ripple
(Peak-to-Peak)
I
LOAD =50mA
C
OUT =10µF
ceramic
75
mV
P-P
LM3354-ALL OUTPUT VOLTAGE VERSIONS
Operating Quiescent
Current
Measured at Pin
V
IN;
I
LOAD = 0A (Note 6)
375
475
µA
Shutdown Quiescent
Current
SD Pin at 0V (Note
7)
2.3
5
µA
Switching
Frequency
0.6
1
1.4
MHz
SD Input Threshold
Low
2.5V < V
IN < 5.5V
0.2 V
IN
V
SD Input Threshold
High
2.5V < V
IN < 5.5V
0.8 V
IN
V
SD Input Current
Measured at SD
Pin;
SD Pin = V
IN = 5.5V
0.3
µA
Note 1: “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is
intended to be functional, but device parameter specifications may not be guaranteed. For guaranteed specifications and test conditions, see “Electrical
Characteristics”.
Note 2: As long as TA ≤ +85˚C, all electrical characteristics hold true and the junction temperature should remain below +120˚C except for the 5V output option.
The 5V option requires that TA ≤ +60˚C.
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
directly into each pin.
Note 4: Typical numbers are at 25˚C and represent the most likely norm.
Note 5: All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits are 100% tested
or guaranteed through statistical analysis. All limits at temperature extremes are guaranteed by correlation using standard Statistical Quality Control methods (SQC).
All limits are used to calculate Average Outgoing Quality Level (AOQL).
www.national.com
3




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