EP3003 Datasheet, PDF (3/12 Pages) Eorex Corporation – 2-CH, 600mA Synchronous Step-down Converter

EP3003
Electrical Characteristics ^{(Note 2)} :
(V_IN =V_RUN= 3.6V, T_A = 25°C, unless otherwise noted.)
Parameter
Conditions
MIN TYP MAX unit
Input Voltage Range
2.5
5.5
V
Input DC Supply Current
Active Mode
V_FB=0.5V
600 800
µA
Shutdown Mode
RUN=0V, V_IN=5.5V, MODE/SYNC=0V
0.1
1.0
µA
Regulated Feedback
T_A = +25°C
0.588 0.600 0.612
V
Voltage
T_A= 0°C ≦ T_A ≦ 85°C
0.586 0.600 0.613
V
T_A= -40°C ≦ T_A ≦ 85°C
0.582 0.600 0.618
V
V_FB Input Bias Current
30
nA
Reference Voltage
Line Regulation
V_IN = 2.5V to 5.5V
0.3
0.5
%/V
Power-On Reset
Threshold:
(POR)
V_FBX Ramping Up, MODE/SYNC = 0V
8.5
%
V_FBX Ramping Down, MODE/SYNC =
-8.5
%
0V
Power-On Reset On-Resistance
100 200
Ω
Power-On Reset Delay
270K
Cycles
Output Voltage Load
0.5
%
Regulation
Peak Inductor Current
V_IN=3V, V_FB=0.5V
Duty Cycle < 35%
0.75 1.00 1.25
A
Oscillator Frequency
Synchronization
V_FBX =0.6V
1.2 1.5
1.8
MHz
1.5
MHz
Frequency
R_DS(ON)
Top Switch On-Resistance
Bottom Switch On-Resistance
0.35 0.45
Ω
0.30 0.45
Ω
SW Leakage
RUN Threshold
RUN Leakage Current
V_RUN = 0V, V_FBX= 0V,
V_IN = 5V
-40°C ≦ T_A ≦ 85°C
0.01
1
µA
0.3 1.0 1.50
V
±0.01 ±1
µA
Note 2. 100% production test at +25°C. Specifications over the temperature range are guaranteed by design
and characterization.
Rev.01
3