Page 1
N-Channel Switch
• This device is designed for digital switching
applications where very low on resistance is
mandatory.
• Sourced from Process 58.
MMBF5434
3
2
SuperSOT-3
1
Marking: 61Z
1. Drain 2. Source 3. Gate
MMBF5434
Absolute Maximum Ratings * T
=25°C unless otherwise noted
A
Symbol Parameter Value Units
V
DG
V
GS
I
GF
, T
T
J
stg
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 150 degrees C.
2) These are steady state limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Electrical Characteristics
Drain-Gate Voltage 25 V
Gate-Source Voltage -25 V
Forward Gate Current 10 mA
Operating and Storage Junction Temperature Range -55 ~ +150 °C
TA=25°C unless otherwise noted
Symbol Parameter Test Condition Min. Max. Units
Off Characteristics
V
(BR)GSS
I
GSS
(off) Gate-Sour ce C u t o ff Voltage VDS = 5.0V, ID = 3.0nA -1.0 -4.0 V
V
GS
( o f f ) D r a i n C u t o f f Vol t a g V
I
D
Gate-Source Breakdwon Voltage IG = -1.0µA, VDS = 0 -25 V
Gate Reverse Current VGS = -15V, VDS = 0 200 nA
DS
= 5.0, V
= -10V 200 pA
GS
On Characteristics
I
DSS
r
(on) Drain-Source On Resistance VDS = 0, ID = 10mA 10 Ω
DS
Zero-Gate Voltage Drain Current * VDS = 15V, IGS = 0 30 mA
Small Signal Characteristics
C
iss
C
rss
* Pulse Test: Pulse Width ≤ 300µs, Duty Cycle ≤ 2.0%
Input Capacitance VDS = 0, VGS = 10V, f = 1.0MHz 30 pF
Reverse Transfer Capacitance VDS = 0, VGS = 10V, f = 1.0MHz 15 pF
©2003 Fairchild Semiconductor Corporation Rev. A, February 2003
Page 2
MMBF5434
Thermal Characteristics T
=25°C unless otherwise noted
A
Symbol Parameter Max. Units
P
D
R
θJC
R
θJA
* Device mounted on FR-4 PCB 1.6” × 1.6” × 0.06"
Total Device Dissipation
Derate above 25°C
350
2.8
Thermal Resistance, Junction to Case °C/W
Thermal Resistance, Junction to Ambient 556 °C/W
mW
mW/°C
©2003 Fairchild Semiconductor Corporation Rev. A, February 2003
Page 3
Package Dimensions
MMBF5434
SuperSOT-3
Dimensions in Millimeters
©2003 Fairchild Semiconductor Corporation Rev. A, February 2003
Page 4
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2
CMOS™
E
EnSigna™
FACT™
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®
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2
C™
I
Across the board. Around the world.™
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®
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FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
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FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR
CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.
2. A critical component is any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification Product Status Definition
Advance Information Formative or In
Design
Preliminary First Production This datasheet contains preliminary data, and
No Identification Needed Full Production This datasheet contains final specifications. Fairchild
Obsolete Not In Production This datasheet contains specifications on a product
©2003 Fairchild Semiconductor Corporation Rev. I2
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
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