ncp1450-d ON Semiconductor, ncp1450-d Datasheet - Page 4

• Manufacturer Part Number: ncp1450-d
• Description: Pwm Step?up Dc?dc Controller
• Manufacturer: ON Semiconductor

5. V
6. This parameter is guaranteed by design.
7. CE pin is integrated with an internal 150 nA pullup current source.
ELECTRICAL CHARACTERISTICS
OSCILLATOR
CE (PIN 1)
EXT (PIN 5)
TOTAL DEVICE
Frequency (V
Frequency Temperature Coefficient (T
Maximum PWM Duty Cycle (V
Minimum Startup Voltage (I
Minimum Startup Voltage Temperature Coefficient (T
Minimum Operation Hold Voltage (I
Soft−Start Time (V
CE Input Voltage (V
CE Input Current (Note 6)
EXT “H” Output Current (V
EXT “L” Output Current(V
Output Voltage
Output Voltage Temperature Coefficient (T
Operating Current (V
Standby Current (V
Off−State Current (V
High State, Device Enabled
Low State, Device Disabled
High State, Device Enabled (V
Low State, Device Disabled (V
Device Suffix:
Device Suffix:
Device Suffix:
Device Suffix:
SET
19T1
27T1
30T1
33T1
50T1
19T1
27T1
30T1
33T1
50T1
19T1
27T1
30T1
33T1
50T1
19T1
27T1
30T1
33T1
50T1
means setting of output voltage.
OUT
= V
OUT
OUT
OUT
OUT
OUT
SET
= V
= V
= V
= 5.0 V, V
= V
EXT
SET,
EXT
O
CE
SET
0.96, Note 5)
CE
= 0 mA)
= 0.4 V)
OUT
= V
Note 6)
= V
Characteristic
OUT
OUT
= V
SET
OUT
= V
0.96)
CE
O
SET
= V
= 5.0 V, V
= 0 mA)
A
= 0 V, T
+0.5 V)
SET
−0.4 V)
CE
= −40°C to 85°C)
(For all values T
A
= 5.0 V)
0.96, Note 5)
= −40 to +85°C)
0.96)
A
CE
= −40 to +85°C, Note 7)
= 0 V)
A
= −40°C to 85°C)
http://onsemi.com
A
= 25°C, unless otherwise noted.)
NCP1450A
4
V
Symbol
V
I
I
DV
DV
CE(high)
CE(high)
CE(low)
D
I
V
V
CE(low)
I
V
f
EXTH
I
I
EXTL
OSC
t
I
OFF
STB
MAX
OUT
Df
start
DD
hold
SS
OUT
start
1.853
2.633
2.925
3.218
4.875
−0.5
20.0
30.0
30.0
30.0
35.0
Min
144
0.9
70
−
−
−
−
−
−
0
−
−
−
−
−
−
−
−
−
−
−
−
−
−25.0
−35.0
−37.7
−40.0
−53.7
0.11
−1.6
0.15
38.3
48.0
50.8
52.0
58.2
Typ
180
100
150
103
136
0.8
0.6
1.9
2.7
3.0
3.3
5.0
0.6
80
55
93
98
15
−
−
0
−20.0
−30.0
−30.0
−30.0
−35.0
1.948
2.768
3.075
3.383
5.125
Max
216
250
140
150
160
220
0.9
0.7
0.3
0.5
0.5
1.5
90
90
20
−
−
−
−
−
−
−
−
−
ppm/°C
mV/°C
%/°C
Unit
kHz
mA
mA
ms
mA
mA
mA
mA
%
V
V
V
V