NCP4304A, NCP4304B
www.onsemi.com
4
MAXIMUM RATINGS
Symbol Rating Value Unit
V
CC
IC Supply Voltage −0.3 to 30 V
V
DRV
Driver Output Voltage −0.3 to 17 V
V
CS
Current Sense Input dc Voltage −4 to 200 V
V
Csdyn
Current Sense Input Dynamic Voltage (t
pw
= 200 ns) −10 to 200 V
V
TRIG/DIS
Trigger Input Voltage −0.3 to 10 V
V
MIN_TON
, V
MIN_TOFF
MIN_TON and MIN_TOFF Input Voltage −0.3 to 10 V
I
MIN_TON
, I
MIN_TOFF
MIN_TON and MIN_TOFF Current −10 to +10 mA
V
COMP
Static Voltage Difference between COMP and GND Pins (Internally Clamped) −3 to 10 V
V
COMP_dyn
Dynamic Voltage Difference between COMP and GND Pins (t
pw
= 200 ns) −10 to 10 V
I
COMP
Current into COMP Pin −5 to 5 mA
R
q
JA
Thermal Resistance Junction-to-Air, SOIC − A/B Versions 180 °C/W
R
q
JA
Thermal Resistance Junction-to-Air, DFN − A/B Versions, 50 mm
2
− 1.0 oz. Copper
Spreader
180 °C/W
R
q
JA
Thermal Resistance Junction-to-Air, DFN − A/B Versions, 600 mm
2
− 1.0 oz. Copper
Spreader
80 °C/W
T
Jmax
Maximum Junction Temperature 150 °C
T
Smax
Storage Temperature Range −60 to +150 °C
T
Lmax
Lead Temperature (Soldering, 10 s) 300 °C
ESD Capability, Human Body Model except Pin V
CS
– Pin 5, HBM ESD Capability on
Pin 5 is 650 V per JEDEC Standard JESD22−A114E
2 kV
ESD Capability, Machine Model per JEDEC Standard JESD22−A115−A 200 V
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. This device meets latchup tests defined by JEDEC Standard JESD78.
ELECTRICAL CHARACTERISTICS
(For typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C, V
CC
= 12 V, C
DRV
= 0 nF, R
MIN_TON
= R
MIN_TOFF
= 10 kW,
V
TRIG/DIS
= 0 V, f
CS
= 100 kHz, DC
CS
= 50%, V
CS_high
= 4 V, V
CS_low
= −1 V unless otherwise noted)
Symbol
Rating Pin Min Typ Max Unit
SUPPLY SECTION
V
CC_on
Turn-on threshold level (V
CC
going up) 1 9.3 9.9 10.5 V
V
CC_off
Minimum operating voltage after turn-on (V
CC
going down) 1
8.3
8.9 9.5 V
V
CC_hyste
V
CC
hysteresis 1 0.6 1.0 1.4 V
I
CC1
_
A
I
CC1
_
B
Internal IC consumption (no output load on pin 8, f
SW
= 500 kHz,
t
on_min
= 500 ns, t
off_min
= 620 ns)
1
4.5
4.0
6.6
6.2
mA
I
CC2_A
I
CC2_B
Internal IC consumption (C
DRV
= 1 nF on pin 8, f
SW
= 400 kHz,
t
on_min
= 500 ns, t
off_min
= 620 ns)
1
9.0
6.5
12
9
mA
I
CC3_A
I
CC3_B
Internal IC consumption (C
DRV
= 10 nF on pin 8, f
SW
= 400 kHz,
t
on_min
= 500 ns, t
off_min
= 620 ns)
1
57.0
35.0
80
65
mA
I
CC_StartUp
Startup current consumption (V
CC
= V
CC_on
− 0.1 V, no switching at
CS pin)
1 35 75
mA
I
CC_Disable_1
Current consumption during disable mode (No switching at CS pin,
V
TRIG/DIS
= 5 V)
1 45 90
mA
I
CC_Disable_2
Current consumption during disable mode (CS pin is switching,
f
SW
= 500 kHz, V
CS_high
= 4 V, V
CS_low
=−1 V, V
TRIG/DIS
= 5 V)
1 200 330
mA
DRIVE OUTPUT
t
r_A
Output voltage rise-time for A version (C
DRV
= 10 nF) 8 120 ns
t
r_B
Output voltage rise-time for B version (C
DRV
= 10 nF) 8 80 ns
t
f_A
Output voltage fall-time for A version (C
DRV
= 10 nF) 8 50 ns
t
f_B
Output voltage fall-time for B version (C
DRV
= 10 nF) 8 35 ns
R
oh
Driver source resistance (Note 1) 8 1.8 7
W
R
ol
Driver sink resistance 8 1 2
W
NCP4304A, NCP4304B
www.onsemi.com
5
ELECTRICAL CHARACTERISTICS (continued)
(For typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C, V
CC
= 12 V, C
DRV
= 0 nF, R
MIN_TON
= R
MIN_TOFF
= 10 kW,
V
TRIG/DIS
= 0 V, f
CS
= 100 kHz, DC
CS
= 50%, V
CS_high
= 4 V, V
CS_low
= −1 V unless otherwise noted)
Symbol UnitMaxTypMinPinRating
DRIVE OUTPUT
I
DRV_pk(source)
Output source peak current 8 2.5 A
I
DRV_pk(sink)
Output sink peak current 8 5 A
V
DRV(min_A)
Minimum drive output voltage for A version (V
CC
= V
CC_off
+ 200 mV) 8 8.3 V
V
DRV(min_B)
Minimum drive output voltage for B version (V
CC
= V
CC_off
+ 200 mV) 8 4.5 V
V
DRV(CLMP_A)
Driver clamp voltage for A version (12 < V
CC
< 28, C
DRV
= 1 nF) 8 10 12 14.3 V
V
DRV(CLMP_B)
Driver clamp voltage for B version (12 < V
CC
< 28, C
DRV
= 1 nF) 8 5 6 8 V
CS INPUT
t
pd_on
The total propagation delay from CS input to DRV output turn on
(V
CS
goes down from 4 V to −1 V, t
f_CS
= 5 ns, COMP pin connected
to GND)
5, 8 60 90 ns
t
pd_off
The total propagation delay from CS input to DRV output turn off
(V
CS
goes up from −1 V to 4 V, t
r_CS
= 5 ns, COMP pin connected to
GND), (Note 1)
5, 8 40 55 ns
I
shift_CS
Current sense input current source (V
CS
= 0 V) 5 95 100 105
mA
V
th_cs_on
Current sense pin turn-on input threshold voltage 5, 8 −120 −85 −50 mV
V
th_cs_off
Current sense pin turn-off threshold voltage, COMP pin connected to
GND (Note 1)
5, 8 −1 0 mV
G
comp
Compensation inverter gain 5,6,8 −1
I
CS
_
Leakage
Current Sense input leakage current, V
CS
= 200 V 5 1
mA
TRIGGER/DISABLE INPUT
t
TRIG/DIS_pw_min
Minimum trigger pulse width (Note 1) 4
30
ns
V
TRIG/DIS
Trigger input threshold voltage (V
TRIG/DIS
goes up) 4 1.5 2.5 V
t
p_TRIG/DIS
Propagation delay from trigger input to the DRV output
(V
TRIG/DIS
goes up from 0 to 5 V, t
r_TRIG/DIS
= 5 ns)
4 13 30 ns
t
TRIG/DIS_light_load
Light load turn off filter duration 4 70 100 130
ms
t
TRIG/DIS_light_
load_rec.
IC operation recovery time when leaving light load disable mode
(V
TRIG/DIS
goes down from 5 to 0 V, t
f_TRIG/DIS
= 5 ns)
4 10
ms
t
TRIG/DIS_blank
Blanking time of trigger during DRV rising edge (V
CS
< V
th_cs_on
,
single pulse on trigger t
TRIG/DIS_pw
= 50 ns)
4
120
ns
I
TRIG/DIS
Trigger input pull down current (V
TRIG/DIS
= 5 V) 4 10
mA
t
on_min
AND t
off_min
ADJUST
t
on_min
Minimum t
on
period (R
MIN_TON
= 0 W)
3 130 ns
t
off_min
Minimum t
off
period (R
MIN_TOFF
= 0 W)
2 560 600 690 ns
t
on_min
Minimum t
on
period (R
MIN_TON
= 10 kW)
3 0.9 1.0 1.1
ms
t
off_min
Minimum t
off
period (R
MIN_TOFF
= 10 kW)
2 0.9 1.0 1.1
ms
t
on_min
Minimum t
on
period (R
MIN_TON
= 50 kW)
3 4.8
ms
t
off_min
Minimum t
off
period (R
MIN_TOFF
= 50 kW)
2 4.8
ms
t
on_min
Minimum t
on
period (R
MIN_TON
= 100 kW) (Note 2)
3 8.64 9.6 10.56
ms
t
off_min
Minimum t
off
period (R
MIN_TOFF
= 100 kW) (Note 2)
2 8.55 9.5 10.45
ms
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
1. Guaranteed by design.
2. Guaranteed by design and verified by characterization, see Figure 4. t
on_min
on R
MIN_TON
dependency.
NCP4304A, NCP4304B
www.onsemi.com
6
TYPICAL CHARACTERISTICS
Figure 4. t
on_min
on R
MIN_TON
Dependency
0
2000
4000
6000
8000
10000
0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000
R
MIN_TON
(W)
t
on_min
(ns)

NCP4304BMNTWG

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Switching Controllers SEC SIDE SYNC RECT DRV
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet