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參數(shù)資料
| 型號(hào)： | NCP1410 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 250 mA Sync-Rect PFM Step-Up DC-DC Converter with Low-Battery Detector |
| 中文描述： | 250毫安同步整流PFM升壓型DC - DC轉(zhuǎn)換器與低電池檢測(cè)器 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大小： | 126K |
| 代理商： | NCP1410 |
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NCP1410
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.)
Characteristics
Symbol
Min
Typ
Max
Unit
Operating Voltage
V
IN
1.0
–
5.5
V
Output Voltage Range (Adjusted by external feedback)
V
OUT
V
IN
–
5.5
V
Reference Voltage (C
REF
= 150 nF, under no loading, T
A
= 25
°
C)
V
REF_NL
1.183
1.190
1.197
V
Reference Voltage (C
REF
= 150 nF, under no loading,
–40
°
C
≤
T
A
≤
85
°
C)
V
REF_NL_A
1.178
–
1.202
V
Reference Voltage Temperature Coefficient
TC
VREF
–
0.03
–
mV/
°
C
Reference Voltage Load Current (V
OUT
= 3.3 V,
V
REF
= V
REF_NL
±
1.5%, C
REF
= 1.0 F) (Note 5)
I
REF
2.5
–
–
mA
Reference Voltage Load Regulation (V
OUT
= 3.3 V,
I
REF
= 0 to 100 A, C
REF
= 1.0 F)
V
REF_LOAD
–
0.015
1.0
mV
Reference Voltage Line Regulation (V
OUT
from 1.5 V to 5.5 V,
C
REF
= 1.0 F)
V
REF_LINE
–
0.03
1.0
mV/V
FB, LBI Input Threshold (I
LOAD
= 0 mA)
V
FB,
V
LBI
1.174
1.190
1.200
V
N–FET ON Resistance
R
DS(ON)–N
0.6
P–FET ON Resistance
R
DS(ON)–P
0.9
LX Switch Current Limit (NFET)
I
LIM
–
1.0
–
A
Operating Current into OUT (V
FB
= 1.4 V, i.e. No switching,
V
OUT
= 3.3 V)
I
Q
–
9.0
14
A
Shutdown Current into OUT (SHDN = GND)
I
SD
–
0.05
1.0
A
LX Switch MAX. ON–Time (V
FB
= 1.0 V, V
OUT
= 3.3 V)
t
ON
1.2
1.4
1.8
S
LX Switch MIN. OFF–Time (V
FB
= 1.0 V, V
OUT
= 3.3 V)
t
OFF
0.25
0.31
0.37
S
FB Input Current
I
FB
–
1.5
9.0
nA
LBI Input Current
I
LBI
–
1.5
8.0
nA
LBO Low Output Voltage (V
LBI
= 0, I
SINK
= 1.0 mA)
V
LBO_L
–
–
0.05
V
SHDN Input Current
I
SHDN
–
1.5
8.0
nA
SHDN Input Threshold, Low
V
SHDN_L
–
–
0.3
V
SHDN Input Threshold, High
V
SHDN_H
0.6
–
–
V
5. Loading capability increases with V
OUT
.
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