NCV3843BVD1R2G ON Semiconductor, NCV3843BVD1R2G Datasheet - Page 3

• Manufacturer Part Number: NCV3843BVD1R2G
• Description: IC CTRLR CURRENT MODE HP 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCV3843BVD1R2G

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 275kHz
• Duty Cycle: 96%
• Voltage - Supply: 8.2 V ~ 25 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 275kHz
• Duty Cycle (max): 96 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 500 KHz
• Maximum Operating Temperature: + 125 C
• Fall Time: 50 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 50 ns
• Synchronous Pin: No
• Topology: Boost, Flyback
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3. Adjust V
4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
5. This parameter is measured at the latch trip point with V
6. Comparator gain is defined as: A
ELECTRICAL CHARACTERISTICS
T
REFERENCE SECTION
OSCILLATOR SECTION
ERROR AMPLIFIER SECTION
CURRENT SENSE SECTION
A
Reference Output Voltage (I
Line Regulation (V
Load Regulation (I
Temperature Stability
Total Output Variation over Line, Load, and Temperature
Output Noise Voltage (f = 10 Hz to 10 kHz, T
Long Term Stability (T
Output Short Circuit Current
Frequency
Frequency Change with Voltage (V
Frequency Change with Temperature, T
Oscillator Voltage Swing (Peak−to−Peak)
Discharge Current (V
Voltage Feedback Input (V
Input Bias Current (V
Open Loop Voltage Gain (V
Unity Gain Bandwidth (T
Power Supply Rejection Ratio (V
Output Current
Output Voltage Swing
Current Sense Input Voltage Gain (Notes 5 and 6)
Maximum Current Sense Input Threshold (Note 5)
Power Supply Rejection Ratio (V
Input Bias Current
Propagation Delay (Current Sense Input to Output)
NCV3843BV: T
NCV prefix is for automotive and other applications requiring site and change control.
is the operating ambient temperature range that applies [Note 4], unless otherwise noted.)
T
T
T
T
Sink (V
Source (V
High State (R
Low State (R
A
J
J
J
= 25°C
= 25°C (R
= 25°C, T
= T
CC
low
O
= 1.1 V, V
above the Startup threshold before setting to 15 V.
to T
O
= 5.0 V, V
A
T
L
low
L
high
= T
= 6.2 k, C
= 15 k to V
O
CC
= 15 k to ground, V
= −40°C, T
= 1.0 mA to 20 mA)
low
FB
OSC
A
= 12 V to 25 V)
FB
= 125°C for 1000 Hours)
= 5.0 V)
to T
J
FB
= 2.7 V)
= 2.0 V)
= 25°C)
O
O
T
O
high
= 2.3 V)
= 2.5 V)
ref
= 1.0 nF)
= 2.0 V to 4.0 V)
= 1.0 mA, T
high
, V
CC
CC
FB
V
Characteristics
CC
= +125°C. Guaranteed by design.
= 12 V to 25 V, Note 5)
= 12 V to 25 V)
= 2.7 V)
DV Output Compensation
FB
DV Current Sense Input
= 12 V to 25 V)
A
= 2.3 V)
(V
= T
J
CC
= 25°C)
J
low
= 25°C)
= 15 V [Note 3], R
to T
high
http://onsemi.com
FB
= 0 V.
T
= 10 k, C
3
T
= 3.3 nF. For typical values T
t
Df
Df
PLH(In/Out)
Symbol
Reg
Reg
PSRR
I
PSRR
I
OSC
OSC
V
Source
A
f
dischg
I
V
V
V
V
V
BW
OSC
I
Sink
V
T
A
V
OSC
I
VOL
I
SC
S
OH
IB
OL
IB
ref
ref
FB
V
th
S
n
load
line
/DV
/DT
− 0.5
4.82
− 30
2.42
2.85
0.85
Min
225
4.9
7.8
7.2
0.7
2.0
5.0
49
48
65
60
−
−
−
−
−
−
−
−
−
−
−
−
−
A
= 25°C, for min/max values
− 0.1
− 2.0
− 85
−1.0
Typ
250
150
5.0
2.0
3.0
0.2
5.0
0.2
0.5
1.6
8.3
2.5
1.0
6.2
0.8
3.0
1.0
50
52
90
70
12
70
−
−
−
−180
− 2.0
Max
5.18
2.58
3.25
275
−10
300
5.1
1.0
8.8
8.8
1.2
1.1
20
25
55
56
−
−
−
−
−
−
−
−
−
−
−
−
mV/°C
MHz
Unit
kHz
V/V
mV
mV
mV
mA
mA
mA
mV
mA
dB
dB
dB
mA
ns
%
%
V
V
V
V
V
V