ILC6376 Step-down PWM DC-DC Converter with Shutdown
Absolute Maximum Ratings (T =25°C)
A
Parameter
Input Voltage
Symbol
Ratings
Units
V
12
V
V
in
IN
Vout Voltage (FB input voltage)
V
+ 0.3V
12
V
V
V
IN
OUT
Voltage on pin L
V
x
Lx
Lx
Current on pin L
700
12
I
mA
V
x
Voltage on pin P BST
Current on pin EXT, EXT
Voltage on all other pins
V
PBST
±50
I
mA
EXT
V
+ 0.3
V
V
IN
Continuous Total Power
Dissipation (SOT-89-5)
500
P
mW
d
Operating Ambient Temperature
Storage Temperature
-30~+80
T
°C
°C
opr
-40~+125
T
stg
Electrical Characteristics ILC6376AS-30
V
=3.0V, F
=180kHz, T =25°C. Unless otherwise specified, Vin=3.6V, Iout=120mA, circuit configuration of Figure 1.
OSC A
OUT
Parameter
Symbol
Conditions
Min
Typ
Max Units
Output Voltage
Max Input Voltage
Max Output Current
Input Current
V
2.925 3.000
3.075
V
V
OUT
V
9.0
IN(max)
I
600
433
20.5
1.5
mA
mA
µA
µA
W
OUT(max)
Vin = Vout x 1.05 (3.15V), no load
Vout = Vlx = Vin (oscillation suspended)
Vout = Vlx = Vin, Vref = 0
I
706
28.4
2.5
IN
Idle Current
I
1
2
DD
Standby Current
I
DD
L Switch-On Resistance
Vlx = Vin - 0.4V, Vref = 1.05V, Vout = Vin X 0.9
R
0.69
0.94
X
in
SWON
(2.7V)
L Leakage Current
Vout = Vin, Vlx = Vref = 0V
I
2.0
µA
X
LXL
Oscillating Frequency
Iout = 1.5mA
F
153
100
180
90
207
kHz
OSC
Max Duty Cycle
Efficiency
MAXDTY
EFFI
%
%
V
Undervoltage Lockout
Minimum Vin when Vref does not start up
V
1.2
2.0
UVLO
Soft-start Time
Vref rises to 0.9V from 0V
Time from Vout=0V to Vref=LOW
Vout = Vin = Vlx
Tss
6.0
3.0
10.0
5.0
16.0
8.0
msec
msec
V
Internal Protection Time
Internal Reference Voltage
Tpro
V
I
0.985 1.000
5.0
1.015
REF
Vref Sink Current
Vout = Vin = Vlx, Vref = 1.05V
mA
in
REF
Impala Linear Corporation
2
IMPALA [ Impala Linear Corporation ]
