参数资料
型号: NCP1550SN19T1G
厂商: ON Semiconductor
文件页数: 3/17页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 5TSOP
产品变化通告: Product Obsolescence 01/Jul/2009
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 690kHz
占空比: 100%
电源电压: 2.45 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: NCP1550SN19T1GOSCT
NCP1550
ELECTRICAL CHARACTERISTICS (V IN = 5.0 V, T A = 25 ° C for typical value, ?40 ° C v T A v 85 ° C for min/max values unless
otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
TOTAL DEVICE
Input Voltage
V IN
2.45
?
5.50
V
Output Voltage (I LOAD = 0 mA, T A = 25 ° C)
V OUT
V
NCP1550SN18T1
NCP1550SN19T1
NCP1550SN25T1
NCP1550SN27T1
NCP1550SN30T1
NCP1550SN33T1
Input Current into V OUT Pin
NCP1550SN18T1
NCP1550SN19T1
NCP1550SN25T1
NCP1550SN27T1
NCP1550SN30T1
NCP1550SN33T1
I VOUT
1.764
1.862
2.450
2.646
2.940
3.234
?
?
?
?
?
?
1.8
1.9
2.5
2.7
3.0
3.3
2.5
2.5
2.5
2.5
2.5
2.5
1.836
1.938
2.550
2.754
3.060
3.366
4.0
4.0
4.0
4.0
4.0
4.0
m A
Temperature Coefficient
D V OUT/ D V T
?
100
?
ppm/ ° C
Operating Current (V IN = 5.0 V, V CE = 5.0 V, No External Components)
I DD
m A
NCP1550SN18T1
NCP1550SN19T1
NCP1550SN25T1
NCP1550SN27T1
NCP1550SN30T1
NCP1550SN33T1
Off?State Current (V IN = 5.0 V, V CE = 0 V, T A = 25 ° C)
NCP1550SN18T1
NCP1550SN19T1
NCP1550SN25T1
NCP1550SN27T1
NCP1550SN30T1
NCP1550SN33T1
I OFF
?
?
?
?
?
?
?
?
?
?
?
?
50
50
50
50
50
50
0.3
0.3
0.3
0.3
0.3
0.3
80
80
80
80
80
80
0.5
0.5
0.5
0.5
0.5
0.5
m A
OSCILLATOR
Frequency
Frequency Temperature Coefficient (T A = ?40 ° C to 85 ° C)
Maximum Duty Cycle
PWM/PFM Switchover ON Time Threshold (Note 4)
Soft?Start Delay Time (Note 4)
Protection Delay Time (Auto Restart)
F OSC
D F OSC / D T A
D MAX
T ON(PFM)
T ss
T prot
510
?
100
167
?
?
600
0.11
?
320
8.0
8.0
690
?
?
500
?
?
kHz
%/ ° C
%
ns
ms
ms
OUTPUT DRIVE (PIN 4)
EXT “H” Output Current (V EXT = V IN – 0.4 V)
EXT “L” Output Current (V EXT = 0.4 V)
EXT “L?H” Rise Time (C LOAD = 1000 pF) (V IN = 5.0 V)
EXT “H?L” Fall Time (C LOAD = 1000 pF) (V IN = 5.0 V)
EXT “L?H” Rise Time (C LOAD = 5.0 nF) (V IN = 5.0 V)
EXT “H?L” Fall Time (C LOAD = 5.0 nF) (V IN = 5.0 V)
I EXTH
I EXTL
T r
T f
T r
T f
?
?
?
?
?
?
?60
100
65
40
140
90
?
?
?
?
?
?
mA
mA
ns
ns
ns
ns
4. PWM/PFM Switchover ON Time Threshold min/max guaranteed by design only.
http://onsemi.com
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