eorex
EP3102
Absolute Maximum Rating(Note 1)
Symbol
Item
Rating
Units
VIN
VEN
VFB
VOUT
VOP
PD
Input Supply Voltage
+45
-0.3 ~ +25
-0.3 ~ +25
-1
V
V
EN Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Operating Voltage
V
V
+4.5 ~+25
Internally Limited
-40 ~ +125
-65 ~ +150
V
Power Dissipation
W
°C
°C
TOP
TSTG
Operating Temperature Range
Storage Temperature Range
Electrical Characteristics (All Output Voltage Versions) (Note 2)
Unless otherwise specified, VIN=12V for 3.3V, 5V, adjustable version and VIN=24V for the 12V version.
ILOAD=0.2A
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
-50
-100
173
173
VFB=1.3V
(Adjustable version only)
IFB
Feedback Bias Current
-10
nA
127
110
150
FOSC
FSCP
Oscillator Frequency
KHz
KHz
Oscillator Frequency of Short
Circuit Protect
When current limit occurred
and VFB<0.55V
30
70
IOUT=1.5A
no outside circuit VFB=0V
force driver on
1.4
1.5
VSAT
DC
ICL
Saturation Voltage
1.25
V
%
A
Max. Duty Cycle (ON)
Min. Duty Cycle (OFF)
VFB=0V force driver on
VFB=12V force driver off
Peak Current
no outside circuit VFB=0V
force driver on
100
0
3.3
3.6
Current Limit
2.4
2.8
No outside circuit VFB=12V
fore driver off
Output=0
Output=-1
-200
µA
Output Leakage
Current
IL
VIN=24V
-5
5
mA
mA
IQ
Quiescent Current
VFB=12V force driver off
10
150
200
0.6
EN pin=5V
VIN=24V
ISTBY
Standby Quiescent Current
70
µA
VIL
VIH
IH
Low (regulator ON)
High (regulator OFF)
EN Pin Logic Input Threshold
Voltage
1.3
V
2.0
V
LOGIC=2.5V (OFF)
LOGIC=0.5V (ON)
-0.01
-1
µA
EN Pin Logic Input Current
EN Pin Input Current
IL
V
-0.1
175
150
15
µA
°C
TJ increasing
Over Temperature Shutdown
Threshold
TS
TJ decreasing
°C
SOP-8L Junction to Case
°C/W
θJC
Thermal Resistance
Thermal Resistance with
Copper Area of Approximately
3in2
Junction to
SOP-8L
70
°C/W
θJA
Ambient
Nov. 2006
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