EP5388QI Datasheet, PDF (5/13 Pages) Enpirion, Inc. – 800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.1mm Package

PARAMETER
VS0-VS1, Enable Voltage
Threshold
VS0-VS2 Pin Input
Current
Operating Frequency
PFET On Resistance
NFET On Resistance
Soft-Start Operation
Soft-Start Slew Rate
V_OUT Rise Time
SYM BOL
V_TH
I_VSX
F_OSC
R_DS(ON)
R_DS(ON)
V_SS
T_SS
TEST CONDITIONS
Pin = Low
Pin = High
VID programming mode
VFB programming mode
EP5388QI
MIN TYP MAX UNITS
0.0
0.4
1.4
V_IN
1
nA
4
MHz
340
mΩ
270
mΩ
0.975 1.5 2.025 V/mS
0.784 1.2 1.628 mS
Typical Performance Characteristics
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Load Current (A)
Efficiency, V_IN = 3.3V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V.
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Load Current (A)
Efficiency, V_IN = 5V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V, 3.3V.
95
90
85
80
75
70
65
60
55
50
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
Load Current (A)
Efficiency, V_IN = 3.7V, V_OUT = 1.2V, 1.5V,1.8V, 2.5V.
Output Ripple, V_IN = 5V, V_OUT = 1.2V; Load = 500mA.
02377
October 11, 2013
www.altera.com/enpirion Page 5
Rev D