LM3450AEV230V30/NOPB National Semiconductor, LM3450AEV230V30/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM3450AEV230V30/NOPB
• Description: LM3450A EVAL BOARD 230V30
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM3450AEV230V30/NOPB

• Current - Output / Channel: 700mA
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 50V
• Features: -
• Voltage - Input: 180 ~ 265VAC
• Utilized Ic / Part: LM3450A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

K
ZERO CURRENT DETECTOR (ZCD)
V
V
V
PWM COMPARATOR (CS)
V
V
t
ANALOG ADJUST INPUT (V
V
DYNAMIC HOLD CIRCUIT (HOLD, I
R
V
PRE-REGULATOR GATE DRIVE OUTPUT (BIAS)
V
GATE DRIVER OUTPUT (GATE)
V
REFERENCE VOLTAGE OUTPUT (V
V
DIMMING OUTPUT (DIM, FLT1, FLT2)
f
OFF-TIMERS
t
t
LEB
DIM
OFF-MAX
OFF-LP
Symbol
M
ZCD-RIS
ZCD-H
ZCD-L
OS
LIM
ADJ-LP
SEN-REF
BIAS
GATE-H
REF
DSON-HD
Multiplier Gain (Includes Internal
Resistor Divider)
ZCD Input Threshold
Hysteresis
Delay to Output
Positive Clamp Voltage
Negative Clamp Voltage
PWM Comparator Input Offset Voltage
PWM Comparator Input Bias Current
CS Current Limit Threshold
CS Delay to Output
CS Blanking Sinking Impedance
Leading Edge Blanking (LEB) Time
V
V
V
V
HOLD MosFET On-Resistance
I
I
BIAS High Voltage @ 100µA
BIAS Low Voltage @ 100µA
GATE Voltage High
GATE Pull Down Resistance
GATE Peak Current
Reference Voltage
Current Limit
FLT1 Output Impedance
Triangle Waveform Compared to FLT2 High
DIM Frequency
Maximum Off-Time (Normal Operation)
Off-Time (Low Power Mode)
SEN
SEN
ADJ
ADJ
ADJ
ADJ
Reference Voltage
Bias Current
Low Threshold (Low Power Mode) V
Low Hysteresis
Pull-up Current Source
Open Voltage
Parameter
ADJ
)
SEN
REF
)
)
V
= V
V
I
I
V
ISEN Short to
GND
V
V
I
I
(Note
No Load
Standby Mode
Transition
Mode
Low
ZCD
ZCD
GATE
GATE
AC
ZCD
ADJ
ADJ
CC
CC
Conditions
THM
= 3V, V
= 1mA
= -50µA
< V
> V
Falling
Open
Rising
= 20mA
= 200mA
6)
+1.5V
CC-FALL
CC-RISE
CMP
5
(Note
1.45
1.40
18.8
13.5
2.85
Min
150
162
180
1.5
56
22
4)
(Note
0.61
1.50
11.5
10.5
±1.5
1.49
Typ
200
135
100
140
200
500
460
340
0.5
1.5
6.0
2.0
1.6
30
20
75
50
30
21
14
15
42
1
1
3
5
2
3
5)
(Note
Max
1.55
1.60
22.6
14.5
3.15
250
232
700
3.0
42
8
4)
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Units
1/V
mV
mV
mV
mV
mA
mV
nA
kΩ
µA
µA
kΩ
Hz
ns
ns
ns
µs
Ω
Ω
V
V
V
V
V
V
A
V
V