NCP1380CDR2G ON Semiconductor, NCP1380CDR2G Datasheet - Page 7

• Manufacturer Part Number: NCP1380CDR2G
• Description: IC PWM FLYBCK ISO CM 8SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1380CDR2G

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 65kHz
• Voltage - Supply: 9.4 V ~ 28 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 65kHz
• Mounting Style: SMD/SMT
• Operating Supply Voltage: - 0.3 V to + 28 V
• Supply Current: +/- 30 mA
• Maximum Operating Temperature: + 125 C
• Fall Time: 25 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 40 ns
• Synchronous Pin: No
• Topology: Quasi-Resonant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Duty Cycle: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
V
CURRENT COMPARATOR − CURRENT SENSE
DRIVE OUTPUT − GATE DRIVE
DEMAGNETIZATION INPUT − ZERO VOLTAGE DETECTION CIRCUIT
TIMING CAPACITOR
3. Guaranteed by design.
4. The peak current setpoint goes down as the load decreases. It is frozen below I
5. If negative voltage in excess to −300 mV is applied to ZCD pin, the current setpoint decrease is no longer guaranteed to be linear
6. Minimum value for T
7. NTC with R
R
V
V
V
I
CS
V
V
V
peak(VCO)
V
ZCD(pdown)
V
Symbol
OPP(MAX)
ZCD(HYS)
DRV(high)
t
DRV(low)
ZCD(TH)
CT(MAX)
CS(stop)
t
R
R
C
BLANK
CT(MIN)
t
t
I
I
outSS
t
V
V
SRC
DEM
= 0 V, V
ILIM
BCS
SNK
t
I
C
SRC
SNK
PAR
out
CT
t
t
CH
CL
r
f
T
fault
110
Propagation Delay
Percentage of maximum peak current level at
which VCO takes over (Note 4)
Setpoint decrease for V
Threshold for immediate fault protection activation
Leading Edge Blanking Duration for V
Drive Resistance
DRV Sink
DRV Source
Drive current capability
DRV Sink
DRV Source
Rise Time (10% to 90%)
Fall Time (90% to 10%)
DRV Low Voltage
DRV High Voltage (Note 6)
ZCD threshold voltage
ZCD hysteresis
Input clamp voltage
High state
Low state
Propagation Delay
Internal input capacitance
Blanking delay after on−time
Timeout after last demag transition
Pulldown resistor (Note 3)
Maximum voltage on C
Source current
Minimum voltage on C
activated
Recommended timing capacitor value
= 1.5 V, C
= 8.8 kW.
J
= 125°C
T
= 680 pF) For min/max values T
T
T
ZCD
pin, discharge switch
pin
(Unless otherwise noted: For typical values T
= −300 mV (Note 5)
CS(stop)
http://onsemi.com
J
= −40°C to +125°C, Max T
7
V
V
V
V
V
V
V
V
C
12 V
C
12 V
V
C
V
C
V
V
I
I
V
−0.3 V
During soft−start
After the end of soft−start
V
V
pin1
pin1
CS
FB
ZCD
CS
DRV
DRV
DRV
DRV
CC
CC
ZCD
ZCD
ZCD
FB
CT
DRV
DRV
DRV
DRV
= 0.4 V, V
< V
> V
increasing
= 0 V
= V
= V
= 3.0 mA
= −2.0 mA
= −300 mV, V
= 10 V
= 2 V
= 10 V
= 2 V
decreasing
increasing
decreasing from 4 V to
= 1 nF, V
= 1 nF, V
= 1 nF, R
= 1 nF
FB(TH)
ILIM
CC(off)
CC(MAX)
Condition
peak(VCO)
to DRV turn−off
CS
+ 0.2 V
DRV
DRV
DRV
J
increasing
= 25°C, V
J
FB
from 0 to
from 0 to
= 150°C, V
= 33 kW
(I
= 4 V,
peak
CC
= cst)
CC
= 12 V, V
1.125
15.4
10.5
−0.9
2.30
5.15
Min
140
= 12 V)
8.4
5.0
35
35
15
28
18
−
−
−
−
−
−
−
−
8
−
−
−
ZCD
1.200
17.5
37.5
12.5
13.0
−0.7
3.15
5.40
Typ
125
120
800
500
150
320
220
9.1
5.9
20
40
25
55
35
10
10
41
20
−
= 0 V, V
1.275
Max
19.6
15.5
−0.3
4.00
5.65
175
250
500
FB
6.7
40
75
60
90
55
12
54
22
90
−
−
−
−
−
−
−
= 3 V,
Unit
mA
mV
mV
mV
kW
pF
mA
pF
ns
ns
ns
ns
ns
ms
ms
%
%
V
W
V
V
V
V