EN23F0QI Datasheet, PDF (5/26 Pages) Enpirion, Inc. – 15A Voltage Mode Synchronous Buck PWM

EN23F0QI
Electrical Characteristics
NOTE: V_IN=12V, Minimum and Maximum values are over operating ambient temperature range unless otherwise noted.
Typical values are at T_A = 25°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
Operating Input Voltage
PVIN
4.5
14.0
V
Controller Input Voltage
AVIN
2.5
5.5
V
PVIN Under Voltage
Lock-out
UVLO_PVIN
Voltage above which UVLO is not
asserted
2
V
AVIN Under Voltage
Lock-out rising
AVIN_UVLOR
Voltage above which UVLO is not
asserted
2.3
V
AVIN Under Voltage
Lock-out falling
AVIN_OVLOF
Voltage below which UVLO is
asserted
2.1
V
AVIN Pin Input Current
Internal Linear Regulator
Output Voltage
I_AVIN
AVINO
14
mA
3.3
V
Shut-Down Supply
IPVIN_S PVIN=12V, AVIN=3.3, ENABLE=0V
300
μA
Current
IAVIN_S PVIN=12V, AVIN=3.3, ENABLE=0V
50
μA
Feedback Pin Voltage
Feedback Pin Voltage
Feedback pin Input
Leakage Current
V_OUT Rise Time
Soft Start Capacitor
Range
Continuous Output
Current
Over Current Trip Level
ENABLE Logic High
ENABLE Logic Low
ENABLE Lockout Time
ENABLE pin Input
Current
Switching Frequency
External SYNC Clock
Frequency Lock Range
S_IN Threshold – Low
S_IN Threshold – High
S_OUT Threshold – Low
S_OUT Threshold –
High
POK Lower Threshold
V_FB
V_FB
I_FB
t_RISE
C_{SS_RANGE}
I_{OUT_CONT}
I_OCP
V_{ENABLE_HIGH}
V_{ENABLE_LOW}
T_ENLOCKOUT
I_ENABLE
F_SW
F_{PLL_LOCK}
V_{S_IN_LO}
V_{S_IN_HI}
V_{S_OUT_LO}
V_{S_OUT_HI}
POK_LT
Feedback Node Voltage at:
VIN = 12V, ILOAD = 0, TA = 25°C
Feedback Node Voltage at:
4.5V ≤ VIN ≤ 14V
0A ≤ I_LOAD ≤ 15A, TA = -40 to 85°C
VFB pin input leakage current
(Note 3)
C_SS = 47nF
(Note 3, Note 4 and Note 5)
Reference Table 3
4.5V ≤ V_IN ≤ 14V;
4.5V ≤ V_IN ≤ 14V;
180kΩ Pull Down (Note 3)
RFADJ =3kΩ
Range of SYNC clock frequency
S_IN Clock Logic Low Level
S_IN Clock Logic High Level
S_OUT Clock Logic Low Level
S_OUT Clock Logic High Level
Percentage of Nominal Output
Voltage for POK to be Low
0.594 0.60 0.606
V
0.588 0.60 0.612
V
-5
5
1.96 2.8 3.64
47
0
15
22.5
1.8
AV_IN
0
0.6
8
4
1.0
0.8
1.6
0.8
1.8
2.5
0.8
1.8
2.5
90
nA
ms
nF
A
A
V
V
ms
μA
MHz
MHz
V
V
V
V
%
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Enpirion Confidential
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