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NCP4304A Datasheet(PDF) 4 Page - ON Semiconductor

Part # NCP4304A
Description  Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP4304A Datasheet(HTML) 4 Page - ON Semiconductor

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NCP4304A, NCP4304B
http://onsemi.com
4
MAXIMUM RATINGS
Symbol
Rating
Value
Unit
VCC
IC supply voltage
−0.3 to 30
V
VDRV
Driver output voltage
−0.3 to 17
V
VCS
Current sense input dc voltage
−4 to 200
V
VCsdyn
Current sense input dynamic voltage (tpw = 200 ns)
−10 to 200
V
VTRIG
Trigger input voltage
−0.3 to 10
V
VMin_ton, VMin_toff
Min_Ton and Min_Toff input voltage
−0.3 to 10
V
I_Min_Toff, I_Min_Toff
Min_Ton and Min_Toff current
−10 to +10
mA
VGND−COMP
Static voltage difference between GND and COMP pins (internally clamped)
−3 to 10
V
VGND−COMP_dyn
Dynamic voltage difference between GND and COMP pins (tpw = 200 ns)
−10 to 10
V
ICOMP
Current into COMP pin
−5 to 5
mA
RqJA
Thermal Resistance Junction−to−Air, SOIC − A/B versions
180
°C/W
RqJA
Thermal Resistance Junction−to−Air, DFN − A/B versions, 50 mm2 − 1.0 oz. Copper
spreader
180
°C/W
RqJA
Thermal Resistance Junction−to−Air, DFN − A/B versions, 600 mm2 − 1.0 oz. Copper
spreader
80
°C/W
TJmax
Maximum junction temperature
160
°C
TSmax
Storage Temperature Range
−60 to +150
°C
TLmax
Lead temperature (Soldering, 10 s)
300
°C
ESD Capability, Human Body Model except pin VCS – pin 5, HBM ESD Capability on
pin 5 is 650 V
2
kV
ESD Capability, Machine Model
200
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device series contains ESD protection and exceeds the following tests:
Pin 1−8: Human Body Model 2000 V per JEDEC Standard JESD22−A114E.
Machine Model Method 200 V pre JEDEC Standard JESD22−A115−A
2. This device meets latchup tests defined by JEDEC Standard JESD78.
ELECTRICAL CHARACTERISTICS (For typical values TJ = 25°C, for min/max values TJ = −40°C to +125°C, Max TJ = 150°C, VCC
= 12 V, Cload = 0 nF, R_min_ton = R_min_toff = 10 kW, Vtrig = 0 V, f_CS = 100 kHz, DC_CS = 50%, VCS_high = 4 V, VCS_low = −1 V unless
otherwise noted)
Symbol
Rating
Pin
Min
Typ
Max
Unit
SUPPLY SECTION
VCC_on
Turn−on threshold level (VCC going up)
1
9.3
9.9
10.5
V
VCC_off
Minimum operating voltage after turn−on (VCC going down)
1
8.3
8.9
9.5
V
VCC_hyste
VCC hysteresis
1
0.6
1.0
1.4
V
ICC1_A
ICC1_B
Internal IC consumption (no output load on pin 8, Fsw = 500 kHz,
Ton_min = 500 ns, Toff_min = 620 ns)
1
4.5
4.0
6.6
6.2
mA
ICC2_A
ICC2_B
Internal IC consumption (Cload = 1 nF on pin 8, Fsw = 400 kHz,
Ton_min = 500 ns, Toff_min = 620 ns)
1
9.0
6.5
12
9
mA
ICC3_A
ICC3_B
Internal IC consumption (Cload = 10 nF on pin 8, Fsw = 400 kHz,
Ton_min = 500 ns, Toff_min = 620 ns)
1
57.0
35.0
80
65
mA
ICC_StartUp
Startup current consumption (VCC = VCC_on − 0.1 V, no switching at
CS pin)
1
35
75
mA
ICC_Disable_1
Current consumption during disable mode (No switching at CS pin,
Vtrig = 5 V)
1
45
90
mA
ICC_Disable_2
Current consumption during disable mode (CS pin is switching,
Fsw = 500 kHz, VCS_high = 4 V, VCS_low =−1 V, Vtrig = 5 V)
1
200
330
mA
3. Guaranteed by design.


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