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NCP1402 Datasheet(PDF) 4 Page - ON Semiconductor

Part # NCP1402
Description  200 mA, PFM Step?뭊p Micropower Switching Regulator
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP1402 Datasheet(HTML) 4 Page - ON Semiconductor

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NCP1402
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (For all values TA = 25°C, unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OSCILLATOR
Switch On Time (current limit not asserted)
ton
3.6
5.5
7.6
ms
Switch Minimum Off Time
toff
1.0
1.45
1.9
ms
Maximum Duty Cycle
DMAX
70
78
85
%
Minimum Startup Voltage (IO = 0 mA)
Vstart
0.8
0.95
V
Minimum Startup Voltage Temperature Coefficient (TA = −40°C to 85°C)
DVstart
−1.6
mV/
°C
Minimum Operation Hold Voltage (IO = 0 mA)
Vhold
0.3
V
Soft−Start Time (VOUT u 0.8 V)
tSS
0.3
2.0
ms
LX (PIN 5)
Internal Switching N−Channel FET Drain Voltage
VLX
6.0
V
LX Pin On−State Sink Current (VLX = 0.4 V)
Device Suffix:
19T1
27T1
30T1
33T1
40T1
50T1
ILX
110
130
130
130
130
130
145
180
190
200
210
215
mA
Voltage Limit
VLXLIM
0.45
0.65
0.9
V
Off−State Leakage Current (VLX = 6.0 V, TA = −40°C to 85°C)
ILKG
0.5
1.0
mA
CE (PIN 1)
CE Input Voltage (VOUT = VSET x 0.96)
High State, Device Enabled
Low State, Device Disabled
VCE(high)
VCE(low)
0.9
0.3
V
CE Input Current (Note 6)
High State, Device Enabled (VOUT = VCE = 6.0 V)
Low State, Device Disabled (VOUT = 6.0 V, VCE = 0 V)
ICE(high)
ICE(low)
−0.5
−0.5
0
0.15
0.5
0.5
mA
TOTAL DEVICE
Output Voltage
Device Suffix:
19T1
27T1
30T1
33T1
40T1
50T1
VOUT
1.853
2.632
2.925
3.218
3.900
4.875
1.9
2.7
3.0
3.3
4.0
5.0
1.948
2.768
3.075
3.383
4.100
5.125
V
Output Voltage Temperature Coefficient (TA = −40°C to +85°C)
Device Suffix:
19T1
27T1
30T1
33T1
40T1
50T1
DVOUT
150
150
150
150
150
150
ppm/
°C
Operating Current 2 (VOUT = VCE = VSET +0.5 V, Note 5)
IDD2
13
15
mA
Off−State Current (VOUT = 5.0 V, VCE = 0 V, TA = −40°C to +85°C, Note 6)
IOFF
0.6
1.0
mA
Operating Current 1 (VOUT = VCE = VSET x 0.96)
Device Suffix:
19T1
27T1
30T1
33T1
40T1
50T1
IDD1
30
39
42
45
55
70
50
60
60
60
100
100
mA
5. VSET means setting of output voltage.
6. CE pin is integrated with an internal 10 M
W pullup resistor.


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