NCP1605B(2012) 查看數據表（PDF） - ON Semiconductor
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NCP1605B
(Rev.:2012)
(Rev.:2012)
ON Semiconductor
NCP1605B Datasheet PDF : 32 Pages
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NCP1605, NCP1605A, NCP1605B
TYPICAL ELECTRICAL CHARACTERISTICS
(Conditions: VCC = 16 V, VHV = 50 V, VPin2 = 2 V, VPin13 = 0 V, TJ from 0°C to +125°C, unless otherwise specified) (Note 2)
Symbol
Rating
Min
Typ
Max
CINT
Average Pin 7 Internal Capacitance (VPin7 varying from 0 and 1 V)
−
Guaranteed by design
15
25
VINIT
Maximum Pin 7 Voltage Allowing the Setting of the PWM Latch
−
50
90
IRAMP_SINK
Pin 7 Sink Current (Drive low) @ VPin7 = 1 V
−
10
−
Current Sense Block
Off100
Current Sense Pin Voltage,
100 mA being drawn from Pin 5
NCP1605/A −20
6.0
20
NCP1605B −5.0
6.0
15
Off10
Current Sense Pin Voltage, 10 mA being drawn from Pin 5
3.0
8.0
13
IMAX
Overcurrent Protection Threshold
230
250
265
TOCP
(Ipin5 > 250 mA) to (DRV low) Propagation Delay (Note 5)
−
100
200
KCS10
Ratio (IPin6/IPin5) @ IPin5 = 10 mA
99
108
117
KCS200
Ratio (IPin6/IPin5) @ IPin5 = 200 mA
98
101
103
VZCD
Pin 6 Comparator Threshold
50
100
200
TZCD
Delay from (VPin6 < VZCD) to (DRV high)
−
120
240
Standby Input
VSTBY
Standby Mode Threshold (VPin1 falling)
280
310
340
HSTBY
Hysteresis for Standby Mode Detection
25
30
50
VSKIPOUT / VOUTL Ratio (Pin 4 Voltage to terminate a SKIP period) over the
(VOUT Low Detect Threshold) (Note 6)
99
100
101
Oscillator / Synchronization Block
Icharge
Oscillator Charge Current
90
100
110
Idisch
Oscillator Discharge Current
90
100
110
Vsync_H
Comparator Upper Threshold
−
3.0
−
Vsync_L
Comparator Lower Threshold
−
2.0
−
Swing
Comparator Swing (Vsync_H − Vsync_L)
0.9
1.0
1.1
Tsync_min
Minimum Synchronization Pulse Width for Detection
−
−
500
pfcOK / REF5V
VpfcOKL
Pin 12 Voltage @ VPin13 = 5 V, 250 mA being sunk by Pin 12
−
60
120
VpfcOKH
(Pin 12 Voltage @ VPin13 = 0 V and
VPin3 = 5 V, with a 250 mA sourced by Pin 12)
(Pin 12 Voltage @ VPin13 = 0 V and
VPin3 = 5 V, with a 5 mA sourced by Pin 12)
NCP1605/A 4.7
5.0
5.3
NCP1605B 4.75
5.0
5.3
NCP1605/A 4.5
5.0
5.3
NCP1605B 4.5
4.72
5.0
Icap_ref
Current Capability
5 .0
10
−
Brown−Out Detection Block
VBOH
Brown−Out Comparator Threshold (VPin2 rising)
NCP1605/A 0.9
1.0
1.1
NCP1605B 0.93
1.0
1.07
VBOL
Brown−Out Comparator Threshold (VPin2 falling)
NCP1605/A 0.45
NCP1605B 0.465
0.50
0.50
0.55
0.535
IBBO
Pin 2 Bias Current @ VPin2 = 0.5 V and 1 V
Thermal Shutdown
TLIMIT
Thermal Shutdown Threshold
HTEMP
Thermal Shutdown Hysteresis
5. Not tested; guaranteed by characterization
6. Not tested; guaranteed by design
−500
−
500
−
155
−
−
15
−
Unit
pF
mV
mA
mV
mV
mA
ns
%
%
mV
ns
mV
mV
%
mA
mA
V
V
V
ns
mV
V
mA
V
V
nA
°C
°C
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