NCP690(2009) 데이터 시트보기 (PDF) - ON Semiconductor
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NCP690
(Rev.:2009)
(Rev.:2009)
ON Semiconductor
NCP690 Datasheet PDF : 14 Pages
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NCP690, NCP691, NCP692
Table 6. ELECTRICAL CHARACTERISTICS VIN = (VOUT + 1 V), VEN = VIN, IOUT = 1 mA, CIN = 10 mF, COUT = 10 mF, for typical
values TJ = 25°C, for Min/Max values TJ = −40°C to 125°C; unless otherwise noted. (Note 5)
Parameter
Test Conditions
Symbol
Min
Typ
Max Unit
Output voltage
(Adjustable Version)
Output voltage (Fixed Version)
VIN = 1.75 V to 6.0 V
IOUT = 100 mA to 1 A
VIN = (VOUT + 1 V) to 6.0 V
IOUT = 100 mA to 1 A
VOUT = 1.5 V
VOUT = 1.8 V
VOUT = 2.5 V
VOUT = 3.3 V
VOUT = 5.0 V
VOUT
1.231 1.250 1.269
V
(−1.5%)
(+1.5%)
VOUT
1.470
1.5
1.530
V
1.764
1.8
1.836
2.450
2.5
2.550
3.234
3.3
3.366
4.900
5.0
5.100
(−2%)
(+2%)
Line regulation
Load regulation
Dropout voltage
(Adjustable Version, Note 6)
Dropout voltage
(Fixed Version, Note 9)
Ground current
Disable current (NCP692 only,
Notes 5 and 7)
VIN = (VOUT + 1 V) to 6.0 V
RegLINE
−
IOUT = 100 mA to 1 A
VOUT = 1.5 V RegLOAD
−
VOUT = 1.8 V
−
VOUT = 2.5 V
−
VOUT = 3.3 V
−
VOUT = 5.0 V
−
VDO = VIN − VOUT
VOUT = 1.25 V
IOUT = 1 A
VDO
−
IOUT = 1 A
VOUT = 1.5 V
VDO
−
VOUT = 1.8 V
−
VOUT = 2.5 V
−
VOUT = 3.3 V
−
VOUT = 5.0 V
−
VIN = VOUT + 1 V,
VOUT = 1.5 V, 1.8 V,
2.5 V, 3.3 V
IOUT = 1 A
IGND
−
IOUT = 10 mA
−
IOUT = 100 mA
−
VIN = VOUT + 1 V,
IOUT = 1 A
−
VOUT = 5.0 V
IOUT = 10 mA
−
IOUT = 100 mA
−
VEN < 0.4 V
IDIS
−
3.2
8
mV
10
30
mV
10
30
10
35
10
35
10
40
450
470
mV
290
410
mV
240
380
190
300
180
250
120
210
145
200
mA
145
200
145
200
145
240
mA
145
240
145
240
0.1
1
mA
Output Current Limit
Short Circuit Current
Enable High Level Threshold
Enable Low Level Threshold
(NCP691 and NCP692)
VIN = VOUT + 1 V, VOUT = 85% VOUT_NOM
ILIM
1.1
1.6
2.4
A
VOUT = 0 V
ISC
1.2
−
−
A
VEN increasing from low to high logic level
VEN_ HI
0.9
−
−
V
VEN decreasing from high to low logic level VEN_ LO
−
−
0.4
Enable Input Current
(Enable Active Low)
(NCP691 only, Note 8)
VEN = 0.9 V to VIN
IEN_HI
−
0.01
250
nA
Enable Input Current
(NCP692 only, Note 8)
VEN = 0 V
IEN_LO
−
0.01
100
nA
Feedback Current
VFB = 1.25 (Adjustable version only)
IIFB
−
210
320
nA
Turn−on Time (Note 8)
VIN = 0 V to (VOUT +1 V) or 1.75 V
VOUT = 0 V to 90% VOUT_NOM
tON
−
50
−
ms
5. Performance guaranteed over the indicated operating temperature range by design and/or characterization tested at TJ = TA = 25_C. Low
duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
6. Maximum dropout voltage is limited by minimum input voltage. VIN = 1.7 V recommended for guaranteed operation at maximum output
current.
7. Refer to the Applications Information Section.
8. Values based on design and/or characterization.
9. Dropout voltage is defined as the differential voltage between VOUT and VIN, when VOUT drops 100 mV below its nominal value.
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