LM3100MH/NOPB National Semiconductor, LM3100MH/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM3100MH/NOPB
• Description: IC REG SIMPLE SW 1.5A 20-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®, SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM3100MH/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 7 V
• Current - Output: 1.5A
• Frequency - Switching: 1MHz
• Voltage - Input: 4.5 ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
• Dc To Dc Converter Type: Step Down
• Pin Count: 20
• Input Voltage: 36V
• Output Voltage: 0.8 to 7V
• Switching Freq: 1000KHz
• Output Current: 1.5A
• Efficiency: 86%
• Package Type: TSSOP EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• For Use With: LM3100EVAL - BOARD EVAL LM3100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: *LM3100MH; *LM3100MH/NOPB; LM3100MH

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Start-Up Regulator, V
Switching Characteristics
Soft-start
Current Limit
ON/OFF Timer
Enable Input
Regulation and Over-Voltage Comparator
VIN, RON to GND
SW to GND
SW to GND (Transient)
VIN to SW
BST to SW
All Other Inputs to GND
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
over the full Operating Junction Temperature (T
statistical correlation. Typical values represent the most likely parametric norm at T
purposes only. Unless otherwise stated the following conditions apply: V
V
t
R
CC-UVLO-HYS
R
VCC-UVLO-D
V
V
Symbol
V
V
DS- DN-ON
t
DS-UP-ON
V
IN
CC-UVLO
ON-MIN
I
I
G-UVLO
EN-HYS
V
IN-SD
t
V
VCCL
V
FB-OV
I
t
I
OFF
I
I
ON
- V
SS
CL
FB
IN
CC
EN
FB
CC
V
V
V
V
(UVLO)
V
V
I
I
Main MOSFET Rds(on)
Syn. MOSFET Rds(on)
Gate drive voltage UVLO
SS pin source current
Syn. MOSFET current limit threshold
ON timer pulse width
ON timer minimum pulse width
OFF timer pulse width
EN Pin input threshold
Enable threshold hysteresis
In-regulation feedback voltage
Feedback over-voltage threshold
IN
IN
CC
IN
CC
CC
CC
CC
CC
operating current
operating current, Device shutdown V
- V
output voltage
current limit (Note 4)
under-voltage lockout threshold
UVLO hysteresis
UVLO filter delay
CC
dropout voltage
Parameter
Specifications with standard type are for T
-2V (< 100ns)
(Note
J
-0.3V to 40V
-0.3V to 40V
-0.3V to 40V
) range. Minimum and Maximum limits are guaranteed through test, design, or
-0.3V to 7V
-0.3V to 7V
1)
C
I
I
V
V
V
No switching, V
V
V
V
V
V
V
V
V
T
T
CC
CC
J
J
CC
IN
IN
EN
BST
SS
IN
IN
EN
EN
SS
SS
CC
= −40°C to + 125°C
= 0°C to + 125°C
= 2mA
= 20mA
increasing
decreasing
= 10V, R
= 30V, R
= 0.5V
≥
≥
4
= 0V
= 0V
rising
falling
= 680nF, no load
- V
0.8V
0.8V
Conditions
SW
ESD Rating
Storage Temperature Range
Junction Temperature (T
Supply Voltage Range (VIN)
Junction Temperature Range (T
Thermal Resistance (θ
Operating Ratings
Human Body Model
increasing
ON
ON
IN
= 18V, V
FB
= 100 kΩ
= 100 kΩ
= 1V
(Note
J
OUT
= 25°C, and are provided for reference
2)
J
= 3.3V.
= 25°C only; limits in boldface type apply
1.236
0.784
0.788
0.894
JC
Min
5.0
3.6
40
6
)
J
)
(Note
J
3)
)
(Note
0.920
3.75
0.18
0.11
1.38
0.47
1.26
Typ
350
130
200
260
6.0
0.7
3.3
1.9
0.8
50
65
17
90
3
8
5
1)
−40°C to + 125°C
-65°C to +150°C
1.285
0.816
0.812
0.940
Max
3.85
0.35
140
570
100
7.2
0.2
9.8
30
1
4
4.5V to 36V
6.5°C/W
150°C
Units
±2kV
mV
mA
mV
mA
mV
µA
µA
nA
µs
µs
ns
ns
Ω
Ω
V
V
V
A
V
V
V