LM2653-ADJEVAL National Semiconductor, LM2653-ADJEVAL Datasheet - Page 4

EVALUATION BOARD FOR LM2653-ADJ

LM2653-ADJEVAL

Manufacturer Part Number
LM2653-ADJEVAL
Description
EVALUATION BOARD FOR LM2653-ADJ
Manufacturer
National Semiconductor

Specifications of LM2653-ADJEVAL

Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Voltage - Output
2.5V
Current - Output
1.5A
Voltage - Input
4 ~ 14V
Regulator Topology
Buck
Frequency - Switching
300kHz
Board Type
Fully Populated
Utilized Ic / Part
LM2653
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2653-ADJEVAL
www.national.com
Electrical Characteristics
Note 2: The maximum allowable power dissipation is calculated by using P
ambient temperature, and θ
140˚C/W for T
allows the safe dissipation of more power. The Absolute Maximum power dissipation must be derated by 7.14 mW per ˚C above 25˚C ambient. The LM2653 actively
limits its junction temperatures to about 165˚C.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 kΩ resistor 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%
production tested. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC) methods. All limits are used
to calculate Average Outgoing Quality Level (AOQL).
Typical Performance Characteristics
JMAX
Frequency vs Junction Temperature
, T
Efficiency vs Load Current
A
, and θ
(V
I
QSD
IN
JA
JA
= 5V, V
vs Input Voltage
is the junction-to-ambient thermal resistance of the specified package. The 893 mW rating results from using 150˚C, 25˚C, and
respectively. A θ
OUT
= 2.5V)
JA
of 140˚C/W represents the worst-case condition of no heat sinking of the 16-pin TSSOP package. Heat sinking
(Continued)
10104925
10104907
10104922
DMAX
4
= (T
JMAX
− T
A
)/θ
JA
, where T
I
QSD
R
SW(ON)
vs Junction Temperature
JMAX
is the maximum junction temperature, T
l
vs Input Voltage
Q
vs V
IN
10104904
10104926
10104923
A
is the

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