參數(shù)資料
型號(hào): LM3401MMX
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)動(dòng)器
英文描述: Hysteretic PFET Controller for High Power LED Drive
中文描述: LED DISPLAY DRIVER, PDSO8
封裝: PLASTIC, MSOP-8
文件頁(yè)數(shù): 3/18頁(yè)
文件大?。?/td> 324K
代理商: LM3401MMX
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN
CS
SNS
ILIM
DIM
HYS
Storage Temperature
Electrical Characteristics
apply over the junction temperature (T
J
) range of -40°C to +125°C. Unless otherwise stated, V
IN
= 24V. Minimum and Maximum
limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at
T
J
= 25°C, and are provided for reference purposes only (Note 4).
Symbol
Parameter
Conditions
SYSTEM
V
REF
Reference Voltage
Δ
V
REF
/ Δ
V
IN
Line regulation
5V < VIN < 35V
I
Q
Operating VIN Current (Note 5)
I
HYS
Hysteresis Pin Source Current
HYS pin = 50 mV to 500 mV
SNS
HYS_MU
SNS Comparator Hysteresis Multiplier
HYS pin = 250 mV
T
DLY
SNS Comparator to HG Delay
SNS rising
T
DIM
DIM to HG Delay
DIM rising
I
ILIM
ILIM Pin Sink Current
V
CL_OFF
Current Limit Comparator Offset
V
ZC
Zero Cross Comparator Threshold
Measured at CS pin
V
DIM
DIM Threshold Voltage
Hysteresis
I
SNS
SNS pin Bias Current
V
SNS
= 200 mV
UVLO
UVLO threshold
Vin rising
Hysteresis
DRIVER
Ton_min
Minimum on-time
R
HG
Gate Drive Resistance
Source Current = 100 mA
Sink Current = 100 mA
I
HG
Driver Output Current
Source, HG = VIN -2.5V
Sink, HG = VIN -2.5V
V
HG
HG on voltage
Referenced to VIN, steady state voltage
-0.3V to 36V
-2.0V to 36V
-0.3V to 8V
-0.3V to 36V
-0.3V to 36V
-0.3V to 4V
-65°C to +150°C
Lead Temperature
Vapor Phase (60sec)
Infrared (15sec)
ESD Rating (Note 2)
Human Body Model
215°C
220C
2.5kV
Operating Ratings
(Note 1)
VIN
Junction Temperature Range
Thermal Resistance
θ
JA
(Note 3)
Power Dissispation (Note 3)
4.5V to 35V
-40°C to +125°C
151°C/W
0.66W
Specifications in standard type are for T
J
= 25°C only, and limits in boldface type
Min
Typ
Max
Units
188
200
212
mV
0.002
mV/V
1.05
mA
15
20
25
μA
0.168
0.20
0.224
80
120
8
+10
-200
2.25
780
4.48
-
46
ns
69
ns
4
5.5
μA
-10
-70
1.85
0
mV
-130
mV
2.0
286
300
V
mV
nA
4.3
0.5
V
V
150
5.3
10.5
0.41
ns
A
0.33
-4.7
A
V
-4.2
-5.5
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications, see Electrical Characteristics.
Note 2:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
Note 3:
The maximum allowable power dissipation is a function of the maximum junction temperature, T
, the junction-to-ambient thermal resistance,
θ
JA
,
and the ambient temperature, T
. The maximum allowable power dissipation at any ambient temperature is calculated using: P
= (T
- T
)/θ
. The
maximum power dissipation of 0.66W is determined using T
A
= 25°C,
θ
JA
= 151°C/W, and T
J_MAX
= 125°C.
θ
JA
will vary with board size and copper area. The
θ
JA
spec is based on a JEDEC standard 4-layer board.
Note 4:
All room temperature limits are 100% production tested. All limits at temperature extremes are guaranteed through correlation using standard Statistical
Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
Note 5:
IQ specifies the current into the VIN pin and applies to non-switching operation.
3
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