LM3464MH National Semiconductor, LM3464MH Datasheet - Page 5

• Manufacturer Part Number: LM3464MH
• Description: IC, LED DRIVER, BUCK, 28TSSOP
• Manufacturer: National Semiconductor

Specifications of LM3464MH

• No. Of Outputs: 4
• Input Voltage: 12V To 80V
• Driver Case Style: TSSOP
• Svhc: No SVHC (15-Dec-2010)
• No. Of Pins: 28
• Operating Temperature Range: -40°C To +125°C
• Topology: Linear
• Efficiency: 98%
• Led Driver Application: Streetlights, Solid State Lighting Solutions
• Dimming Control Type: PWM / Analogue
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Symbol
Vcc Regulator
V
V
V
V
V
I
I
Device Enable
V
I
Analog Dimming Control Interface
V
V
I
PWM Dimming Control Interface
V
V
Dynamic Headroom Control Output
V
V
V
V
IN
VCC
EN-MAX
CTHM
IN-UVLO
IN-UVLO-HYS
CC
CC-UVLO
CC-UVLO-HYS
EN-DISABLE
CTHM-MAX
CTHM-MIN
DIM-LED-ON
DIM-LED-OFF
OutP-MAX
OutP-MIN
LEDFB-LED-ON
LEDFB-SYS-RST
V
DR1, DR2, DR3, DR4 to GND
EN to GND
All other inputs to GND
ESD Rating
Absolute Maximum Ratings
(LM3464/LM3464A)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(LM3464/LM3464A)
Electrical Characteristics (LM3464/LM3464A)
+25°C only; limits in boldface type apply over the full Operating Junction Temperature (T
guaranteed through test, design or statistical correlation. Typical values represent the most likely parametric norm at T
and are provided for reference purposes only. Unless otherwise stated the following conditions apply: V
IN
Human Body Model
to GND
(Note
Parameter
Vin under voltage lockout
Vin UVLO hysteresis
VCC output voltage
VCC under-voltage lockout threshold
(UVLO)
VCC UVLO hysteresis
Quiescent Current from VIN
VCC Current limit
Device disable voltage threshold
EN pin internal pull current
Sawtooth max. voltage threshold at
Thermal_Cap pin
100% output duty cycle
Sawtooth min. voltage threshold at
Thermal_Cap pin
0% output duty cycle
Thermal_Cap pin output current
DIM pin voltage threshold at LED ON
DIM pin voltage threshold at LED OFF
OutP pin max. output voltage
OutP pin min. output voltage
VLedFB pin voltage threshold at LED ON
System restart VLedFB pin voltage
threshold for system restart
2)
(Note
1)
-0.3V to 100V
-0.3V to 100V
-0.3V to 5.5V
-0.3V to 7V
±2 kV
Conditions
V
V
C
No load
V
V
C
No load
V
V
V
V
V
V
V
IoutP = 1 mA current sink
Measure at VLedFB pin
5
IN
IN
CC
CC
CC
EN
EN
DMIN
THERMAL
DMIN
THERMAL
VCC
VCC
increasing
decreasing
Decreasing
= 0V
increasing
decreasing
= 0V
Storage Temperature Range
Junction Temperature (T
Supply Voltage Range (VIN)
Junction Temperature Range (T
Thermal Resistance (θ
Thermal Resistance (θ
Supply Voltage Range (VIN)
Junction Temperature Range (T
Thermal Resistance (θ
Thermal Resistance (θ
= 0.68 µF
= 0.68 µF
Operating Ratings (LM3464)
Operating Ratings (LM3464A)
= 0V
= 0V
= V
= V
CC
CC
Specification with standard type are for T
J
) range. Minimum and Maximum are
JA
JC
JA
JC
)
)
)
)
J
)
(Note
(Note
(Note
(Note
J
J
0.325
3)
3)
3)
3)
6.15
4.98
1.65
2.95
38.9
1.19
)
)
Min
2.1
7.2
2.4
18
IN
= 48V.
V
CC
2.55
3.25
Typ
250
8.5
6.3
2.3
0.4
0.3
2.5
1.2
95
11
50
−40°C to + 125°C
−40°C to + 125°C
−65°C to + 150°C
+ 150°C
-0.5
www.national.com
0.493
12V to 80V
12V to 95V
Max
6.51
5.28
14.7
2.58
J
3.3
1.3
61
33.5°C/W
33.5°C/W
A
3
3
= +25°C,
= T
6°C/W
6°C/W
J
Units
=
mV
mV
mA
mA
uA
uA
V
V
V
V
V
V
V
V
V
V
V
V