NCP1404 ONSEMI [ON Semiconductor], NCP1404 Datasheet - Page 4

• Manufacturer Part Number: NCP1404
• Description: 350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector
• Manufacturer: ONSEMI [ON Semiconductor]

4. V
5. Operating current is the current consumption of the device in PWM mode.
6. No switching operating current is the current consumption of the device when there is no switching.
7. No load operating current is the current consumption of the device in PFM mode at no load.
ELECTRICAL CHARACTERISTICS
OSCILLATOR
LX (PIN 6)
LBI (PIN 1)
LBO (PIN 5)
TOTAL DEVICE
Frequency (V
Frequency Temperature Coefficient (T
Maximum PWM Duty Cycle (V
PFM Duty Cycle
Minimum Start–up Voltage (I
Minimum Start–up Voltage Temperature Coefficient (T
Soft–Start Time (V
Internal Switching N–Channel FET Drain Voltage
LX On–State Current (V
Device Suffix:
Current Limit
Off–State Leakage Current (V
LBI Threshold Voltage Falling
LBI Hysteresis
LBI Input Current
LBO Low Output Voltage
LBO Off–State Leakage Current
Supply Voltage
Output Voltage
Device Suffix:
Output Voltage Temperature Coefficient (T
Operating Current (V
No Switching Operating Current (V
No Load Operating Current
Maximum Output Current
Device Suffix:
(V
(V
SET
DD
DD
means setting of output voltage.
= V
= V
SET
OUT
OUT
, V
0.6, I
IN
= V
OUT
= V
OUT
OUT
SET
19T1
27T1
30T1
33T1
50T1
19T1
27T1
30T1
33T1
50T1
19T1
27T1
30T1
33T1
50T1
SET
= V
DD
= 0 mA ) (Note 7)
= V
SET
0.96) (Note 4)
= V
0.8, Voltage Regulation < 3%)
O
SET
)
LX
= 0 mA, V
OUT
OUT
Characteristic
= 6.0 V, T
0.96, V
= V
= V
OUT
A
SET
SET
= V
= –40 to +85_C)
DD
(For all values T
DD
A
A
SET
= V
0.96, V
= –40 to +85_C)
= –40 to +85_C)
0.96)
= V
OUT
SET
0.5 V)
= V
LX
0.6) (Note 5)
A
= 0.6 V)
SET
= –40 to +85_C)
NCP1404 Series
A
)
http://onsemi.com
= 25_C unless otherwise noted.)
4
I
V
Symbol
DD(no load)
I
DV
DV
LBOLKG
D
D
I
LBO(low)
V
V
V
f
LXLIM
I
I
V
V
I
I
V
V
OSC
I
OUT
t
LKG
DD1
DD2
Df
PFM
MAX
HYS
LBI
OUT
start
SS
LBI
DD
LX
LX
OUT
start
0.396
1.853
2.632
2.925
3.218
4.875
Min
480
350
550
550
550
600
700
150
300
300
300
350
0.3
0.8
70
12
–
–
–
–
–
–
–
–
–
–
–
–
–
0.400
0.11
–1.6
Typ
600
400
600
600
600
650
750
100
220
200
350
350
350
400
0.8
2.0
0.5
1.5
1.9
2.7
3.0
3.3
5.0
78
17
30
40
65
–
–
1
0.404
1.948
2.768
3.075
3.383
5.125
Max
0.95
0.05
720
800
100
300
6.0
1.0
8.0
5.5
86
22
55
80
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ppm/_C
mV/_C
%/_C
Unit
kHz
mA
mA
mA
mV
mA
ms
nA
nA
mA
mA
mA
%
%
V
V
V
V
V
V