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參數(shù)資料
| 型號： | NCP1400ASN50T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 100 mA, Fixed Frequency PWM Step-Up Micropower Switching Regulator(微功率固定頻率脈寬調(diào)制升壓直流-直流交換器) |
| 中文描述： | 0.4 A SWITCHING REGULATOR, 216 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | TSOT-23, 5 PIN |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 133K |
| 代理商： | NCP1400ASN50T1 |
NCP1400A
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(For all values T
A
= 25
°
C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Frequency (V
OUT
= V
SET
x 0.96, Note 5)
Frequency Temperature Coefficient (T
A
= –40
°
C to 85
°
C)
Maximum PWM Duty Cycle (V
OUT
= V
SET
x 0.96)
Minimum Start–up Voltage (I
O
= 0 mA)
Minimum Start–up Voltage Temperature Coefficient (T
A
= –40
°
C to 85
°
C)
Minimum Operation Hold Voltage (I
O
= 0 mA)
Soft–Start Time (V
OUT
0.8 V)
f
OSC
144
180
216
kHz
f
–
0.11
–
%/
°
C
D
MAX
V
start
68
75
82
%
–
0.8
0.95
V
V
start
V
hold
t
SS
–
–1.6
–
mV/
°
C
0.3
–
–
V
0.5
2.0
–
ms
LX (PIN 5)
LX Pin On–State Sink Current (V
LX
= 0.4 V)
Device Suffix:
19T1
25T1
27T1
30T1
33T1
50T1
I
LX
80
80
100
100
100
100
90
120
125
130
135
160
–
–
–
–
–
–
mA
Voltage Limit (V
OUT
= V
CE
= V
SET
x 0.96, V
LX
“L’’ Side)
Off–State Leakage Current (V
LX
= 5.0 V, T
A
= –40
°
C to 85
°
C)
V
LXLIM
0.65
0.8
1.0
V
I
LKG
–
0.5
1.0
μ
A
CE (PIN 1)
CE Input Voltage (V
OUT
= V
SET
x 0.96)
High State, Device Enabled
Low State, Device Disabled
V
CE(high)
V
CE(low)
0.9
–
–
–
–
0.3
V
CE Input Current (Note 6)
High State, Device Enabled (V
OUT
= V
CE
= 5.0 V)
Low State, Device Disabled (V
OUT
= 5.0 V, V
CE
= 0 V)
I
CE(high)
I
CE(low)
–0.5
–0.5
0
0.15
0.5
0.5
μ
A
TOTAL DEVICE
Output Voltage (V
in
Device Suffix:
19T1
25T1
27T1
30T1
33T1
50T1
0.8 V, I
O
= 4.0 mA)
V
OUT
1.853
2.438
2.633
2.925
3.218
4.875
1.9
2.5
2.7
3.0
3.3
5.0
1.948
2.563
2.768
3.075
3.383
5.125
V
Output Voltage Temperature Coefficient (T
A
= –40
°
C to +85
°
C)
Device Suffix:
19T1
25T1
27T1
30T1
33T1
50T1
V
OUT
–
–
–
–
–
–
100
100
100
100
100
150
–
–
–
–
–
–
ppm/
°
C
Operating Current 2 (V
OUT
= V
CE
= V
SET
+0.5 V, Note 5)
Off–State Current (V
OUT
= 5.0 V, V
CE
= 0 V, T
A
= –40
°
C to +85
°
C, Note 6)
Operating Current 1 (V
OUT
= V
CE
= V
SET
x 0.96, f
OSC
= 180 kHz)
Device Suffix:
19T1
25T1
27T1
30T1
33T1
50T1
I
DD2
I
OFF
I
DD1
–
7.0
15
μ
A
–
0.6
1.5
μ
A
–
–
–
–
–
–
23
32
32
37
37
70
50
60
60
60
60
100
μ
A
5. V
SET
means setting of output voltage.
6. CE pin is integrated with an internal 10 M
pull–up resistor.
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