(Note 1) When used at Ta = 25°C or more installed on a 70x70x1.6 mm board, the rating is reduced by 5.04mW/°C.
(Note) These specifications are subject to change without advance notice for modifications and other reasons.
Caution:
Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over the
absolute maximum ratings.
Recommended Operating Conditions
Parameter
Power Supply Voltage
Output Voltage
Symbol
V
CC
V
OUT
Rating
3.5 to 14
1.2 to 12
Unit
V
V
Electrical Characteristics
(Unless otherwise specified, Ta = 25°C, V
CC
= 7.4V)
Parameter
Symbol
Limit
Min
-
100
0.9
4.65
0.99
-50
4.8
-
-
-
-1
2.5
-0.3
250
-
-
-
-
Typ
2.9
200
1.0
5.0
1.00
0
8.0
-
450
300
0
-
-
400
-
-
600
30
Max
3.2
300
1.1
5.35
1.01
+50
11.1
100
600
420
+1
14
+0.3
700
1
1
900
50
Unit
Conditions
[Low Input Voltage Malfunction Prevention Circuit]
Detection Threshold Voltage
Hysteresis Range
[Oscillator]
Oscillation Frequency
[Regulator]
Output Voltage
[Error AMP]
INV Threshold Voltage
Input Bias Current
Soft-Start Time
[PWM Comparator]
LX Max Duty
[Output]
PMOS ON-Resistance
NMOS ON-Resistance
Leak Current
[STB]
STB Pin
Control Voltage
[Circuit Current]
Standby Current
VCC Pin
PVCC
Pin
(Note 2)
V
UV
ΔV
UVHY
f
OSC
V
REG
V
INV
I
INV
t
SS
D
MAX
R
ONP
R
ONN
I
LEAK
V
mV
MHz
V
V
nA
msec
%
mΩ
mΩ
µA
V
V
kΩ
µA
µA
µA
µA
VREG monitor
V
CC
= 12.0V ,
V
INV
= 6.0V
Operation
No-Operation
V
STBH
V
STBL
R
STB
I
STB1
I
STB2
I
CC1
I
CC2
STB Pin Pull-Down Resistance
Circuit Current at Operating VCC
Circuit Current at Operating PVCC
V
INV
= 1.2V
V
INV
= 1.2V
(Note 2) 100% is MAX Duty as behavior of a PWM comparator. For the condition where High side PMOS is 100% ON-state because the input voltage is less than
or equal to the output voltage, the SCP detector is activated and then the DC/DC converter operation stops.
@[toc]
KiCad Chinese Group Files
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