EP3101_15 Datasheet, PDF (3/13 Pages) Eorex Corporation – 150 KHz, 3A Asynchronous Step-down Converter

eorex
EP3101
Absolute Maximum Rating ^{(Note 1)}
Symbol
V_IN
V EN
V_FB
V_OUT
V_OP
P_D
T_OP
T_STG
Item
Input Supply Voltage
EN Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Operating Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
Electrical Characteristics ^{(Note 2)}
Rating
+45
-0.3 ~ +25
-0.3 ~ +25
-1
+4.5 ~+25
Internally Limited
-40 ~ +125
-65 ~ +150
Units
V
V
V
V
V
W
°C
°C
Unless otherwise specified, V_IN=12V for 3.3V, 5V, adjustable version and V_IN=24V for the 12V version.
I_LOAD=0.5A
Symbol
Parameter
Conditions
Min. Typ. Max. Units
I_FB Feedback Bias Current
V_FB=1.3V
(Adjustable version only)
60
40
nA
100
F_OSC Oscillator Frequency
V_SAT Saturation Voltage
Max. Duty Cycle (ON)
DC
Min. Duty Cycle (OFF)
I_CL Current Limit
127 150 173
KHz
110
173
I_OUT=3A
no outside circuit V_FB=0V
force driver on
1.4
1.3
V
1.5
V_FB=0V force driver on
V_FB=12V force driver off
100
%
0
Peak Current
5.5
no outside circuit V_FB=0V
3.6
4.0
A
force driver on
6.5
I_L
Output=0
Output Leakage
Current
No outside circuit V_FB=12V
fore driver off
Output=-1
V_IN=40V
I_Q Quiescent Current
V_FB=12V force driver off
I_STBY Standby Quiescent Current
EN pin=5V V_IN=40V
V_IL
EN Pin Logic Input Threshold ^{Low (regulator ON)}
V_IH Voltage
High (regulator OFF)
2.0
I_H
EN Pin Logic Input Current
V_LOGIC=2.5V (OFF)
I_L
EN Pin Input Current
V_LOGIC=0.5V (ON)
θ_JC Thermal Resistance
TO220-5L _{Junction to}
TO263-5L ^Case
2
5
150
1.3
15
0.02
2.5
3.5
200 µA
30 mA
10 mA
250
µA
300
0.6
V
25
µA
5
°C/W
θ_JA
Thermal Resistance with Copper TO220-5L Junction to
Area of Approximately 3in²
TO263-5L ^Ambient
28
°C/W
23
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
Note 2:100% production test at +25°C. Specifications over the temperature range are guaranteed by
design and characterization.
Jul. 2006
www.eorex.com
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