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AX2596 Fiches technique(PDF) 3 Page - List of Unclassifed Manufacturers

No de pièce AX2596
Description  150KHz, 3A PWM Buck DC/DC Converter
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AX2596 Fiches technique(HTML) 3 Page - List of Unclassifed Manufacturers

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Page No. : 3/7
AVANTICS – AX2596 Series
Specification No.: 050310-FE0009
All Output Voltage Versions Electrical Characteristics
Specifications with boldface type apply over for full operating temperature range, the other type are for TJ=25oC
(Unless otherwise specified, V
IN=12V for the 3.3V, 5V, and adjustable version and VIN=24V for the 12V version, ILOAD=500mA)
Parameter
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Device Parameters
Feedback Bias Current
I
b
Adjustable Version Only, V
FB=1.3V
-
10
50
100
nA
Oscillator Frequency
f
O
(Note 5)
127
110
150
173
173
KHz
Saturation Voltage
V
SAT
I
OUT=3A
(Note 6,7)
-1.3
1.4
1.5
V
Max. Duty Cycle (ON)
Min. Duty Cycle (OFF)
DC
(Note 7)
(Note 8)
-
100
0
-%
Current Limit
I
CL
Peak Current (Note 6,7)
3.6
4.5
5.5
6.5
A
Output Leakage Current
I
L
Output=0V (Note 6,8)
-
-
50
uA
Quiescent Current
I
Q
(Note 8)
-5
10
mA
Standby Quiescent Current
I
STBY
ON/OFF pin=5V (Note 9)
-
150
250
300
uA
TO220-5L
-
2.5
-
θJC
TO263-5L
Junction to
Case
-3.5
-
oC/W
TO220-5L
-
28
-
Thermal Resistance
θJA(Note 10)
TO263-5L
Junction to
ambient
-23
-
oC/W
ON/OFF Control
V
IH
Low (Regulator ON)
-
0.6
ON/OFF Pin Logic Input Threshold
Voltage
V
IL
High (Regulator OFF)
2.0
1.3
-
V
I
IH
V
LOGIC=2.5V (Regulator OFF)
-
5
15
ON/OFF Pin Input Current
I
IL
V
LOGIC=0.5V (Regulator ON)
-
0.02
5
uA
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which
the device is intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions,
see the Electrical Characteristics.
Note 2: External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect
switching regulator system performance.
Note 3: Typical numbers are at 25oC and represent the most likely norm.
Note 4: All limits guaranteed at room temperature (standard type face) and at temperature extremes (bold type face). 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).
Note 5: The switching frequency is reduced when the second stage current limit is activated.
Note 6: No diode, inductor or capacitor connected to output pin.
Note 7: Feedback pin removed from output and connected to 0V to force the output transistor switch ON.
Note 8: Feedback pin removed from output and connected to 12V for the 3.3V, 5V, ADJ. version, and 15V for the 12V version, to force the output
transistor switch OFF.
Note 9: VIN=40V.
Note 10: Junction to ambient thermal resistance. (With copper area of approximately 3in2)


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