LM5001ISOEVAL National Semiconductor, LM5001ISOEVAL Datasheet - Page 4

• Manufacturer Part Number: LM5001ISOEVAL
• Description: BOARD EVALUATION LM5001ISO
• Manufacturer: National Semiconductor

Specifications of LM5001ISOEVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 5V
• Current - Output: 1A
• Voltage - Input: 16 ~ 42V
• Regulator Topology: Flyback
• Frequency - Switching: 250kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM5001
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

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STARTUP REGULATOR
EN THRESHOLDS
MOSFET CHARACTERISTICS
CURRENT LIMIT
OSCILLATOR
PWM COMPARATOR
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
junction temperature (T
correlation. Typical values represent the most likely parametric norm at T
V
VIN to GND
SW to GND (Steady State)
VCC, EN to GND
COMP, FB, RT to GND
Maximum Junction Temperature
VIN
V
V
V
Symbol
COMP-OS
VCC-REG
RT-SYNC
= 10V, R
F
F
I
I
LIM
SW1
SW2
Q
RT
= 48.7kΩ unless otherwise stated. See (Note 3).
Parameter
VCC Regulator Output
VCC Current Limit
VCC UVLO Threshold
VCC Undervoltage Hysteresis
Bias Current (I
Shutdown Current (I
EN Shutdown Threshold
EN Shutdown Hysteresis
EN Standby Threshold
EN Standby Hysteresis
EN Current Source
MOSFET R
Current Sense Resistance
MOSFET Leakage Current
MOSFET Gate Charge
Cycle by Cycle Current Limit
Cycle by Cycle Current Limit Delay
Frequency1
Frequency2
SYNC Threshold
SYNC Pulse Width Minimum
Maximum Duty Cycle
Min On-time
Min On-time
COMP to PWM Comparator Offset
J
) range of -40°C to +125°C. Minimum and Maximum limits are guaranteed through test, design, or statistical
DS(ON)
IN
)
plus
IN
)
Limits in standard type are for T
-0.3V to 76V
(Note 1)
-0.3V to 7V
150°C
76V
14V
Conditions
V
V
V
V
V
V
I
V
V
R
R
V
V
V
D
VCC
VCC
FB
EN
EN
EN
SW
VCC
RT
COMP
COMP
RT
RT
= 0.5A
= 1.5V
> V
= 0V
increasing
increasing
= 48.7 kΩ
= 15.8 kΩ
= 75V
= 6V
increasing
= 6.9V
4
> V
< V
RT-SYNC
COMP-OS
COMP-OS
Operating Conditions
Storage Temperature
ESD Rating (Note 2)
VIN
Operating Junction
Temperature
Human Body Model
+ 0.5V
J
= 25°C, and are provided for reference purposes only.
J
= 25°C only; limits in boldface type apply over the
6.55
0.25
Min
225
660
2.6
1.2
0.8
2.2
0.9
15
80
6.85
0.45
1.26
0.05
1.30
Typ
490
100
260
780
2.8
0.1
3.1
0.1
0.1
4.5
1.0
2.6
20
95
15
85
35
6
0
−65°C to +150°C
−40°C to +125°C
Max
7.15
0.65
1.32
1.55
130
800
200
295
900
4.5
1.2
3.2
90
3
5
3.1V to 75V
Units
KHz
KHz
mΩ
mA
mA
2kV
µA
µA
µA
nC
ns
ns
ns
ns
%
V
V
V
V
V
V
V
A
V
V