LM3424MH/NOPB National Semiconductor, LM3424MH/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM3424MH/NOPB
• Description: IC LED DVR BUCK/BOOST 20-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: High Power, Constant Currentr

Specifications of LM3424MH/NOPB

• Constant Current: Yes
• Topology: Flyback, PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 2MHz
• Voltage - Supply: 4.5 V ~ 75 V
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 96%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: LM3424MH

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STARTUP REGULATOR (V
V
I
I
I
V
V
ENABLE (EN)
V
V
R
OVER-VOLTAGE PROTECTION (OVP)
V
I
ERROR AMPLIFIER
V
CC-LIM
Q
SD
HYS-OVP
CC-REG
CC-UVLO
CC-HYS
EN-ST
EN-HYS
TH-OVP
CSH
EN
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Specifications in standard type face are for T
Range ( T
values represent the most likely parametric norm at T
stated the following condition applies: V
V
OVP, HSP, HSN
IS
V
V
COMP, CSH, RT, SLOPE, SS
SS
GATE, DDRV
Symbol
IN
CC
S
, TREF, TSENSE, TGAIN,
, EN, nDIM
J
= −40°C to +125°C). Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical
V
V
Quiescent Current
Shutdown Current
V
V
EN Startup Threshold
EN Startup Hysteresis
EN Pull-down Resistance
OVP OVLO Threshold
OVP Hysteresis Source
Current
CSH Reference Voltage
Error Amplifier Input Bias
Current
COMP Sink / Source Current
Transconductance
Linear Input Range
Transconductance
Bandwidth
CC
CC
CC
CC
Regulation
Current Limit
UVLO Threshold
UVLO Hysteresis
Parameter
CC
)
-1 mA to +1 mA continuous
V
IN
-100 µA continuous
CC
-1 mA continuous
-1 mA continuous
= +14V.
-30 µA to +30 µA
+2.5V for 100 ns
-2.5V for 100 ns
(Note
-0.3V to 76.0V
-0.3V to 76.0V
-0.3V to 76.0V
J
-2V for 100 ns
-0.3V to 8.0V
-0.3V to 6.0V
I
V
EN = 3.0V, Static
EN = 0V
V
V
EN Increasing
EN decreasing
OVP Increasing
OVP Active (high)
With Respect to GND
(Note
-6dB Unloaded Response
= 25°C and those with boldface type apply over the full Operating Temperature
CC
-0.3V to V
CC
CC
CC
(Note
continuous
= 0 mA
= 0V
Increasing
Decreasing
1)
7)
J
1)
= +25°C, and are provided for reference purposes only. Unless otherwise
CC
Conditions
4
Operating Conditions
GND
Maximum Junction
Temperature
Storage Temperature Range
Maximum Lead Temperature
(Reflow and Solder)
Continuous Power Dissipation
ESD Susceptibility
Operating Junction
Temperature Range
Input Voltage V
Human Body Model
(Note
7)
(Note
IN
1.185
1.210
6.30
3.70
0.80
0.45
Min
-0.6
20
13
17
(Note
(Note
5)
4)
3)
(Note
1.240
1.235
±125
6.90
4.17
4.08
1.75
1.63
0.82
Typ
100
2.0
0.1
0.1
0.1
1.0
25
20
26
0
6)
-2.5V to 2.5V for 100 ns
(Note
(Note
1.285
1.260
Internally Limited
−65°C to +150°C
Internally Limited
−40°C to +125°C
Max
7.35
4.50
2.40
1.30
3.0
1.0
0.6
27
35
1)
-0.3V to 0.3V
5)
4.5V to 75V
260°C
Units
µA/V
MHz
2 kV
MΩ
mA
mV
µA
µA
µA
V
V
V
V
V