EN63A0QI
Electrical Characteristics
NOTE: VIN=6.6V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted.
Typical values are at TA = 25°C.
PARAMETER
Operating Input
Voltage
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VIN
2.5
6.6
V
Internal Voltage Reference at:
VIN = 5V, ILOAD = 0, TA = 25°C
VFB Pin Voltage
VVFB
0.594
0.588
-0.2
0.600
0.600
0.606
0.612
0.2
V
V
VFB Pin Voltage
2.5V ≤ VIN ≤ 6.6V
0A ≤ ILOAD ≤ 12A
VVFB
(Line, Load and
Temperature)
VFB Pin Input Leakage
Current
IVFB
VFB Pin Input Leakage Current
µA
mA
V
Shut-Down Supply
Current
Power Supply Current with
ENABLE=0
IS
1.5
2.2
2.1
600
50
Under Voltage Lock-
out – VIN Rising
Voltage Above Which UVLO is Not
Asserted
VUVLOR
VUVLOF
Under Voltage Lock-
out – VIN Falling
Voltage Below Which UVLO is
Asserted
V
Dropout Voltage
VINMIN – VOUT at Full Load
1200
100
12
mV
mΩ
A
VDO
RDO
Dropout Resistance
(Note 4)
Input to Output Resistance
Refer to Table 2 for conditions.
Sourcing Current
Continuous Output
Current
IOUT_SRC
0
Over Current Trip
Level
IOCP
FSW
18.5
1.2
A
Switching Frequency
0.9
1.5
MHz
R
FADJ = 4.42 kΩ, VIN = 5V
External SYNC Clock
Frequency Lock
Range
SYNC Clock Input Frequency
Range
FPLL_LOCK
0.9*Fsw
Fsw
1.1*Fsw
MHz
S_IN Clock Amplitude
– Low
VS_IN_LO
SYNC Clock Logic Low
SYNC Clock Logic High
M/S Pin Float or Low
M/S Pin High
0
0.8
2.5
80
V
V
S_IN Clock Amplitude
– High
VS_IN_HI
1.8
20
10
S_IN Clock Duty Cycle
(PLL)
DCS_INPLL
DCS_INPWM
%
%
S_IN Clock Duty Cycle
(PWM)
90
Allowable Pre-bias as a Fraction of
Programmed Output Voltage for
Monotonic start up. Minimum Pre-
bias Voltage = 300mV.
Pre-Bias Level
VPB
20
75
%
Allowable Non-monotonicity Under
Pre-bias Startup
Non-Monotonicity
VPB_NM
100
mV
%
Range of Output Voltage as a
Fraction of Programmed Value
When POK is Asserted. (Note 3)
VOUT Range for POK
High
=
90
120
Enpirion 2012 all rights reserved, E&OE
Enpirion Confidential
www.enpirion.com, Page 5
07077
May 9, 2012
Rev: C
ENPIRION [ ENPIRION, INC. ]
