EP53F8QI Datasheet, PDF (4/12 Pages) Enpirion, Inc. – 1500 mA Synchronous Buck PWM DC-DC Converter with Integrated Inductor

Electrical Characteristics
Typical values for V_IN = 5V and T_A =25°C, unless otherwise noted.
PARAMETER
Operating Input Voltage
Under Voltage Lockout
Under Voltage Lockout
VFB Voltage Initial
Accuracy
Line Regulation
Load Regulation
Temperature Variation
Typical Accuracy
V_OUT Rise Time
VFB, ENABLE, Pin Input
Current (Note 1)
SYMBOL
V_IN
V_UVLO
V_UVLO
V_FB
T_RISE
TEST CONDITIONS
V_IN going low to high
V_IN going high to low
T_A = 25 °C; V_IN = 5V
I_LOAD = 100 mA
2.4 V  V_IN  5.5V
I_LOAD = 0 to 1.5A
-40°C  T_A  +85°C
-40°C  T_A  +85°C;
0.5A  I_LOAD  1.0A;
4.5V  V_IN  5.5V;
0.95V  V_OUT  1.5V;
From time ENABLE goes high
-40°C  T_A  +85°C
MIN
2.4
0.588
0.78
-40
ENABLE Voltage
Logic Low
0.0
Threshold
Logic High
1.4
Continuous Output Current
Peak Output Current
POK Upper Threshold
POK Upper Threshold
POK Lower Threshold
POK Lower Threshold
POK Low Voltage
POK Pin V_OH Leakage
Current
1.0V ≤ V_OUT ≤ 1.5V; <21ms
V_OUT Rising
V_OUT Falling
V_OUT Rising;
percent of V_OUT Nominal
V_OUT Falling;
percent of V_OUT Nominal
I_SINK = 5 mA, -40°C  T_A  +85°C
POK High, -40°C  T_A  +85°C
Shutdown Current
ENABLE Low
Current Limit Threshold
2.4 V  V_IN  5.5 V,
-40°C  T_A  +85°C
2.0
Dropout Resistance
Operating Frequency
F_OSC
Note 1: VFB, ENABLE pin input current specification is guaranteed by design.
EP53F8QI
TYP
2.2
2.1
MAX
5.5
UNITS
V
V
V
0.600 0.612
V
0.31
0.420
0.0012
%/V
%/A
%/°C
1.5
%
1.2 1.62
+40
0.4
V_IN
1500
1800
111
102
92
90
0.15
0.4
500
14
3.2
250
360
4
mS
nA
V
V
mA
mA
%
%
%
%
V
nA
A
A
m
MHz
01542
October 11, 2013
www.altera.com/enpirion Page 4
Rev F