LMN400B01
Lead-free Green
400mA LOAD SWITCH FEATURING PNP
TRANSISTOR AND N-MOSFET WITH GATE PULL-DOWN RESISTOR
General Description
·
LMN400B01 is best suited for applications where the load
needs to be turned on and off using control circuits like
micro-controllers, comparators etc. particularly at a point of
load. It features a discrete pass transistor with stable
VCE(SAT) which does not depend on input voltage and can
support continuous maximum current of 400 mA . It also
contains a discrete N-MOSFET with gate pull-down resistor
that can be used as control. The component devices can
be used as a part of a circuit or as a stand alone discrete
device.
6
5
4
1
2
3
Fig. 1: SOT-26
Features
·
·
·
·
·
·
Voltage Controlled Small Signal Switch
B_Q1
5
C_Q1
6
S_Q2
4
N-MOSFET with Gate Pull-Down Resistor
Surface Mount Package
Ideally Suited for Automated Assembly Processes
Lead Free By Design/ROHS Compliant (Note 1)
"Green" Device (Note 2)
C
DDTB122LU_DIE
Q1
PNP
R2
B
R3
220
37K
G
S
E
Mechanical Data
·
·
R1 10K
Q2
NMOSFET
Case: SOT-26
D
Case Material: Molded Plastic, “Green” Molding
Compound. UL Flammability Classification Rating 94V-0
DSNM6047_DIE
·
·
·
Moisture sensitivity: Level 1 per J-STD-020C
Terminal Connections: See Diagram
1
2
3
E_Q1
G_Q2
D_Q2
Terminals: Finish - Matte Tin annealed over Copper
leadframe. Solderable per MIL-STD-202, Method 208
Fig. 2 Schematic and Pin Configuration
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·
·
Marking & Type Code Information: See Last Page
Ordering Information: See Last Page
Weight: 0.016 grams (approx.)
Sub-Components
DDTB122LU_DIE
DSNM6047_DIE (with Gate Pull-Down Resistor)
Reference
Device Type
R1 (NOM) R2 (NOM) R3 (NOM) Figure
Q1
Q2
PNP Transistor
N-MOSFET
10K
220
¾
2
2
¾
¾
37K
@ TA = 25°C unless otherwise specified
Maximum Ratings, Total Device
Characteristic
Power Dissipation (Note 3)
Power Derating Factor above 100°C
Output Current
Symbol
Pd
Value
Unit
300
2.4
mW
mW/°C
mA
Pder
Iout
400
Thermal Characteristics
Characteristic
Symbol
Value
Unit
Tj, Tstg
Junction Operation and Storage Temperature Range
-55 to +150
417
°C
Thermal Resistance, Junction to Ambient Air (Note 3) (Equivalent to
one heated junction of PNP transistor)
RqJA
°C/W
Notes:
1. No purposefully added lead.
2. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
3. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
DS30699 Rev. 5 - 2
1 of 10
LMN400B01
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ã Diodes Incorporated