LM3423MHBKBSTEV/NOPB National Semiconductor, LM3423MHBKBSTEV/NOPB Datasheet - Page 5
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LM3423MHBKBSTEV/NOPB
Manufacturer Part Number
LM3423MHBKBSTEV/NOPB
Description
BOARD EVAL BUCK BOOST LM3423
Manufacturer
National Semiconductor
Series
PowerWise®r
Specifications of LM3423MHBKBSTEV/NOPB
Current - Output / Channel
1A
Outputs And Type
1, Non-Isolated
Voltage - Output
35V
Features
Dimmable
Voltage - Input
4.5 ~ 35V
Utilized Ic / Part
LM3423
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM3423MHBKBSTEV
OV THRESHOLDS
OVP
OVP
DPOL THRESHOLDS
DPOL
H
R
FAULT TIMER
V
I
ERROR AMPLIFIER
V
OFF TIMER
R
V
f
PWM COMPARATOR
CURRENT LIMIT (IS)
I
HIGH SIDE TRANSCONDUCTANCE AMPLIFIER
GATE DRIVER (GATE)
R
R
FLT
LIM
FLTTH
REF
RCT
DPOL
RCT
SRC(GATE)
SNK(GATE)
Symbol
CB
HYS
THRES
OVP OVLO Threshold
OVP Hysteresis Source
Current
DPOL Logic Threshold
DPOL Pullup Resistance
Fault Threshold
Fault Pin Source Current
CSH Reference Voltage
Error Amplifier Input Bias
Current
COMP Sink / Source Current
Transconductance
Linear Input Range
Transconductance Bandwidth -6dB Unloaded Response
Minimum Off-time
RCT Reset Pull-down
Resistance
V
Continuous Conduction
Switching Frequency
COMP to PWM Offset
Current Limit Threshold
I
Leading Edge Blanking Time
Input Bias Current
Transconductance
Input Offset Current
Input Offset Voltage
Transconductance Bandwidth I
GATE Sourcing Resistance
GATE Sinking Resistance
LIM
IN
/25 Reference Voltage
Delay to Output
Parameter
OVP Increasing
OVP Active (high)
DPOL Increasing
With Respect to AGND
(Note
(Note
RCT = 1V through
1 kΩ
V
2.2 nF > C
(Note
GATE = High
GATE = Low
CSH
IN
= 14V
Conditions
= 100 µA
7)
7)
7)
T
> 470 pF
5
Range
Temp
Q1
Q0
Q1
Q0
Q1
Q0
Q1
Q0
Q1
Q0
Q1
Q0
Q1
Q0
Q1
Q0
(Note
1.185
1.185
1.210
10.0
Min
-0.6
540
700
215
115
-1.5
250
2.0
0.5
20
22
20
-7
5)
25/(C
(Note
1.240
1.240
1.235
±125
11.5
11.5
Typ
500
100
565
800
245
210
119
500
2.3
1.0
2.0
1.3
23
30
35
36
35
0
0
0
T
R
6)
T
)
(Note
1.285
1.285
1.290
1.260
1200
Max
13.0
13.5
120
125
585
590
900
275
325
2.6
0.6
1.5
6.0
4.5
25
26
35
36
75
90
75
90
7
5)
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Units
mA/V
µA/V
MHz
kHz
mV
mV
mV
mV
mV
kΩ
µA
µA
µA
Hz
µA
µA
ns
ns
Ω
Ω
V
V
V
V