EN63A0QI
Electrical Characteristics
NOTE: V
IN
=6.6V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted.
Typical values are at T
A
= 25°
C.
PARAMETER
Operating Input
Voltage
VFB Pin Voltage
VFB Pin Voltage
(Line, Load and
Temperature)
VFB Pin Input Leakage
Current
Shut-Down Supply
Current
Under Voltage Lock-
out – V
IN
Rising
Under Voltage Lock-
out – V
IN
Falling
Dropout Voltage
Dropout Resistance
(Note 4)
Continuous Output
Current
Over Current Trip
Level
Switching Frequency
External SYNC Clock
Frequency Lock
Range
S_IN Clock Amplitude
– Low
S_IN Clock Amplitude
– High
S_IN Clock Duty Cycle
(PLL)
S_IN Clock Duty Cycle
(PWM)
Pre-Bias Level
SYMBOL
V
IN
V
VFB
TEST CONDITIONS
MIN
2.5
TYP
MAX
6.6
UNITS
V
V
Internal Voltage Reference at:
V
IN
= 5V, ILOAD = 0, T
A
= 25°
C
2.5V
≤
V
IN
≤
6.6V
0A
≤
I
LOAD
≤
12A
VFB Pin Input Leakage Current
Power Supply Current with
ENABLE=0
Voltage Above Which UVLO is Not
Asserted
Voltage Below Which UVLO is
Asserted
V
INMIN
– V
OUT
at Full Load
Input to Output Resistance
Refer to Table 2 for conditions.
Sourcing Current
R
FADJ
= 4.42 kΩ, V
IN
= 5V
SYNC Clock Input Frequency
Range
SYNC Clock Logic Low
SYNC Clock Logic High
M/S Pin Float or Low
M/S Pin High
Allowable Pre-bias as a Fraction of
Programmed Output Voltage for
Monotonic start up. Minimum Pre-
bias Voltage = 300mV.
Allowable Non-monotonicity Under
Pre-bias Startup
Range of Output Voltage as a
Fraction of Programmed Value
When P
OK
is Asserted. (Note 3)
0.594
0.600
0.606
V
VFB
I
VFB
I
S
V
UVLOR
V
UVLOF
V
DO
R
DO
I
OUT_SRC
I
OCP
F
SW
F
PLL_LOCK
V
S_IN_LO
V
S_IN_HI
DC
S_INPLL
DC
S_INPWM
0.588
-0.2
0.600
0.612
0.2
V
µA
mA
V
V
1.5
2.2
2.1
600
50
0
18.5
0.9
0.9*F
sw
0
1.8
20
10
1.2
F
sw
1.5
1.1*F
sw
0.8
2.5
80
90
1200
100
12
mV
m
A
A
MHz
MHz
V
V
%
%
V
PB
20
75
%
Non-Monotonicity
V
OUT
Range for P
OK
=
High
V
PB_NM
100
90
120
mV
%
©Enpirion
2012 all rights reserved, E&OE
07077
Enpirion Confidential
May 9, 2012
www.enpirion.com,
Page 5
Rev:
C
ENPIRION [ ENPIRION, INC. ]
