EP5348UI Datasheet, PDF (4/12 Pages) Enpirion, Inc. – 400mA Synchronous Buck Regulator with Integrated Inductor

EP5348UI
Electrical Characteristics
NOTE: T_A = -40°C to +85°C unless otherwise noted. Typical values are at T_A = 25°C, VIN = 3.6V.
C_IN = 2.2µF 0603 MLCC, C_OUT = 10µF 0603.
PARAMETER
Operating Input Voltage
Range
SYMBOL
V_IN
TEST CONDITIONS
MIN TYP MAX
2.5
5.5
Under Voltage Lock-out –
V_IN Rising
Under Voltage Lock-out –
V_IN Falling
Shut-down Supply Current
VFB Voltage Initial
Accuracy
Line Regulation
Load Regulation
Temperature Variation
Feedback Pin Input
Current
V_{UVLO_R}
V_{UVLO_F}
I_SD
V_FB
∆V_{OUT_LINE}
∆V_{OUT_LOAD}
∆V_{OUT_TEMPL}
I_FB
Enable = Low
T_A = 25°C, V_IN = 3.6V;
I_LOAD = 100mA ;
0.8V ≤ V_OUT ≤ 3.3V
2.5V ≤ V_IN ≤ 5.5V
0A ≤ I_LOAD ≤ 400Ma
-40°C ≤ T_A ≤ +85°C
Note 1
2.3
2.2
3
0.588 0.600 0.612
0.03
0.48
24
<300
Output Current
I_OUT
OCP Threshold
I_LIM
Output Dropout
Resistance (Note 1)
Voltage (Note 1,2)
Operating Output Voltage
Range
R_DO
V_{DO_FL}
V_OUT
2.5V ≤ V_IN ≤ 5.5V
0.6V ≤ V_OUT ≤ 3.3V
Input to Output Resistance
V_INMIN - V_OUT at Full load
V_DO = I_OUT * R_DO
0
400
1.4
520
780
208
312
0.6
V IN- V DO
Enable Pin Logic Low
Enable Pin Logic High
Enable Pin Current
Operating Frequency
Soft Start Operation
V_ENLO
V_ENHI
I_ENABLE
F_OSC
Note 1
0.3
1.4
<200
9
V_OUT Rise Time
T_RISE
From 0 to full output voltage
1.17 1.8
2.43
Notes: 1 - Parameter guaranteed by design
2 - V_{DO_FL} (full-load drop-out voltage) is defined as (Maximum I_OUT x Dropout Resistance)
UNITS
V
V
V
µA
V
%/V
%/A
ppm/°C
nA
mA
A
mΩ
mV
V
V
V
nA
MHz
mSec
05721
4
October 11, 2013
www.altera.com/enpirion
Rev D