参数资料
型号: NCP1450ASN33T1
厂商: ON Semiconductor
文件页数: 4/22页
文件大小: 0K
描述: IC REG CTRLR BST PWM VM 5TSOP
产品变化通告: LTB Notification 03/Jan/2008
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 216kHz
占空比: 90%
电源电压: 0.6 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 6-TSOP(0.059",1.50mm 宽)5 引线
包装: 剪切带 (CT)
其它名称: NCP1450ASN33TOSCT
NCP1450A
ELECTRICAL CHARACTERISTICS (For all values T A = 25 ° C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Frequency (V OUT = V SET
0.96, Note 5)
f OSC
144
180
216
kHz
Frequency Temperature Coefficient (T A = ?40 ° C to 85 ° C)
D f
?
0.11
?
%/ ° C
Maximum PWM Duty Cycle (V OUT = V SET
0.96)
D MAX
70
80
90
%
Minimum Startup Voltage (I O = 0 mA)
Minimum Startup Voltage Temperature Coefficient (T A = ?40 ° C to 85 ° C)
Minimum Operation Hold Voltage (I O = 0 mA)
Soft?Start Time (V OUT = V SET, Note 6)
V start
D V start
V hold
t SS
?
?
?
?
0.8
?1.6
0.6
100
0.9
?
0.7
250
V
mV/ ° C
V
ms
CE (PIN 1)
CE Input Voltage (V OUT = V SET
0.96)
V
High State, Device Enabled
Low State, Device Disabled
V CE(high)
V CE(low)
0.9
?
?
?
?
0.3
CE Input Current (Note 6)
m A
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
0
0.15
0.5
0.5
EXT (PIN 5)
EXT “H” Output Current (V EXT = V OUT ?0.4 V)
Device Suffix:
I EXTH
mA
19T1
27T1
30T1
33T1
50T1
EXT “L” Output Current(V EXT = 0.4 V)
I EXTL
?
?
?
?
?
?25.0
?35.0
?37.7
?40.0
?53.7
?20.0
?30.0
?30.0
?30.0
?35.0
mA
Device Suffix:
19T1
27T1
30T1
33T1
50T1
20.0
30.0
30.0
30.0
35.0
38.3
48.0
50.8
52.0
58.2
?
?
?
?
?
TOTAL DEVICE
Output Voltage
Device Suffix:
V OUT
V
19T1
27T1
30T1
33T1
50T1
1.853
2.633
2.925
3.218
4.875
1.9
2.7
3.0
3.3
5.0
1.948
2.768
3.075
3.383
5.125
Output Voltage Temperature Coefficient (T A = ?40 to +85 ° C)
Operating Current (V OUT = V CE = V SET
0.96, Note 5)
D V OUT
I DD
?
150
?
ppm/ ° C
m A
Device Suffix:
19T1
27T1
30T1
33T1
50T1
?
?
?
?
?
55
93
98
103
136
90
140
150
160
220
Standby Current (V OUT = V CE = V SET +0.5 V)
Off?State Current (V OUT = 5.0 V, V CE = 0 V, T A = ?40 to +85 ° C, Note 7)
I STB
I OFF
?
?
15
0.6
20
1.5
m A
m A
5. V SET means setting of output voltage.
6. This parameter is guaranteed by design.
7. CE pin is integrated with an internal 150 nA pullup current source.
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