NCP4355ADR2G Просмотр технического описания (PDF) - ON Semiconductor
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NCP4355ADR2G Datasheet PDF : 17 Pages
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NCP4355
ELECTRICAL CHARACTERISTICS
0°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C.
Parameter
Test Conditions
Symbol Min
Typ
Max
Maximum Operating Input Voltage
VCC
36.0
VCC UVLO
VCC UVLO Hysteresis
Quiescent Current In Regulation
VCC rising
VCC falling
NCP4355A
NCP4355B
VCCUVLO
VCCUVLOHYS
ICC
3.75
3.22
0.4
4.00
3.50
0.5
125
107
4.25
3.78
155
135
NCP4355C
115
155
Quiescent Current In OFF mode
VOLTAGE CONTROL LOOP OTA
VSNS < 1.12 V
ICCOFF
90
110
Transconductance
Sink current only
Reference Voltage
Sink Current Capability
Inverting Input Bias Current
3.8 V ≤ VCC ≤ 36.0 V, TJ = 25°C
3.8 V ≤ VCC ≤ 36.0 V, TJ = 0 − 85°C
3.8 V ≤ VCC ≤ 36.0 V, TJ = 0 − 125°C
In regulation, VFBC > 1.5 V
In OFF mode, VFBC > 1.5 V
In regulation
In OFF mode, VSNS > 1.12 V
Inverting Input Bias Current Threshold In OFF mode
CURRENT CONTROL LOOP OTA (except NCP4355B)
gmV
VREF
ISINKV
IBIASV
VSNSBIASTH
1.244
1.240
1.230
2.5
1.2
−100
−2.6
1.07
1
1.250
1.250
1.250
1.5
−2.3
1.12
1.256
1.264
1.270
2.0
100
−1.9
1.17
Transconductance
Sink current only
Reference Voltage
Sink Current Capability
VFBC > 1.5 V
Inverting Input Bias Current
ISNS = VREFC
MINIMUM VOLTAGE COMPARATOR (except NCP4355A)
gmC
VREFC
ISINKC
IBIASC
3
60.0 62.5
2.5
−100
65.0
100
Threshold Voltage
VREFM
355
377
400
Hysteresis
Output change from logic high to logic low
VMINH
40
OFF MODE DETECTION COMPARATOR
Threshold Value
Hysteresis
LED DRIVER (except NCP4355C)
2.5 V ≤ VCC ≤ 36.0 V
VCC = 15 V
Output change from logic high to logic low
VOFFDETTH
VOFFDETH
10% VCC
1.47 1.50 1.53
40
Switching Frequency
Duty Cycle
Switch Resistance
ON MODE CONTROL
ILED = 5 mA
fSWLED
DLED
RSW2
10.0
1
12.5
50
15.0
Sink Current
In ON mode, VONOFF > 0.6 V
IDRIVEON
140
160
180
Unit
V
V
V
mA
mA
S
V
mA
mA
nA
mA
V
S
mV
mA
nA
mV
mV
V
V
mV
kHz
%
W
mA
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