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參數資料
| 型號： | NCP1423DMR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩壓器 |
| 英文描述： | 400 mA Sync−Rect PFM Step−Up DC−DC Converter with True−Cutoff and Ring−Killer |
| 中文描述： | 1.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | MICRO PACKAGE, 10 PIN |
| 文件頁數： | 3/13頁 |
| 文件大?。?/td> | 163K |
| 代理商： | NCP1423DMR2 |
NCP1423
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(V
OUT
= 3.3 V, T
A
= 25
°
C for typical value, 40
°
C
T
A
85
°
C for min/max values unless otherwise noted.)
Symbol
Characteristic
Min
Typ
Max
Unit
Operating Voltage
V
IN
0.8
V
OUT
V
Output Voltage Range
V
OUT
1.8
3.3
V
Minimum Input Voltage for Startup
V
IN_MIN
0.85
0.90
V
Reference Voltage
(I
LOAD
= 0 mA, Cref = 100 nF, T
A
= 25
°
C)
V
REF
1.177
1.195
1.213
V
Reference Voltage Temperature Coefficient
TC
VREF
0.05
mV/
°
C
FB Input Threshold (I
LOAD
= 0 mA, T
A
= 40
°
C to 85
°
C)
V
FB
0.489
0.500
0.512
V
FB Input Threshold (I
LOAD
= 0 mA, T
A
= 25
°
C)
V
FB
0.493
0.500
0.508
V
FB Input Current
I
FB
1.0
nA
Internal NFET ONResistance (I
LX
=100 mA, T
A
= 25
°
C) (Note 7)
R
DS(ON)_N
0.3
0.45
Internal PFET ONResistance (I
LX
=100 mA, T
A
= 25
°
C) (Note 7)
R
DS(ON)_P
0.6
0.8
LX Switch Current Limit (NFET) (Note 7)
I
LIM
1.2
A
Operating Current into OUT (V
FB
= 0.7 V, T
A
= 25
°
C)
I
Q
9.0
12
A
Operating Current into BAT
(V
BAT
= 1.2 V, V
FB
= 0.7 V, V
LX
= 1.2 V, T
A
= 25
°
C)
I
QBAT
2.0
3.0
A
Shutdown Current into BAT
(LBI/EN = 0 V, V
BAT
= 3.3 V, T
A
= 25
°
C)
I
BAT_SD
0.5
1.5
A
LX Switch MAX. ONTime (V
FB
= 0 V)
t
ON
1.15
1.4
2.8
s
LX Switch MIN. OFFTime (V
FB
= 0 V)
t
OFF
80
200
350
ns
BAT to LX Resistance (V
FB
= 0.7 V)
R
BAT_LX
100
LBI Input Threshold
V
LBI
0.475
0.500
0.525
V
LBI Input Hysteresis
V
LBI_HYS
15
mV
LBI Input Current
I
LBI
1.5
nA
LBO Low Output Voltage (V
LBI
= 0 V, I
SINK
= 1.0 mA)
V
LBO_L
0.2
V
Maximum Continuous Output Current (V
IN
= 2.5 V, V
OUT
= 3.3 V) (Note 7)
I
OUT
200
mA
Maximum Continuous Output Current (V
IN
= 0.8 V, V
OUT
= 3.3 V) (Note 7)
I
OUT
100
mA
Soft Start Time
(V
IN
= 1.2 V, T
A
= 25
°
C, C
REF
= 100 nF, V
OUT
= 3.3 V) (Note 6)
T
SS
2.0
8.0
ms
EN Shutdown Threshold (V
BAT
= 1.2 V)
V
SHDN
0.34
0.50
0.68
V
EN Input Current
I
EN
150
nA
ADEN Threshold (V
BAT
= 0.9 V to 3.3 V)
V
ADEN
0.5*V
BAT
V
ADEN Input Current
I
ADEN
100
nA
ADEN Switch Resistance
R
ADEN
100
Thermal Shutdown Temperature (Note 7)
T
SHDN
145
°
C
Thermal Shutdown Hysteresis (Note 7)
T
SDHYS
30
°
C
6. Value depends on voltage at V
OUT
.
7. Values are guaranteed by design.
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