MC4684 [FREESCALE]
N-Channel 40-V (D-S) MOSFET White LED boost converters; N通道40 -V （ DS ） MOSFET白光LED升压转换器
| 型号： | MC4684 |
| 厂家： | 
Freescale |
| 描述： | N-Channel 40-V (D-S) MOSFET White LED boost converters |
| 文件： | 总5页 (文件大小：579K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Freescale
AO4684/MC4684
N-Channel 40-V (D-S) MOSFET
PRODUCT SUMMARY
Key Features:
rDS(on) (mΩ)
VDS (V)
40
ID(A)
13.8
12.2
• Low rDS(on) trench technology
• Low thermal impedance
• Fast switching speed
11 @ VGS = 10V
14 @ VGS = 4.5V
Typical Applications:
• White LED boost converters
• Automotive Systems
• Industrial DC/DC Conversion Circuits
ABSOLUTE MAXIMUM RATINGS (TA = 25°C UNLESS OTHERWISE NOTED)
Parameter
Symbol
VDS
Limit
40
Units
Drain-Source Voltage
Gate-Source Voltage
V
VGS
±20
TA=25°C
TA=70°C
13.8
11.6
50
Continuous Drain Current a
Pulsed Drain Current b
Continuous Source Current (Diode Conduction) a
ID
A
IDM
IS
4.6
A
TA=25°C
TA=70°C
3.1
Power Dissipation a
PD
W
°C
2.2
Operating Junction and Storage Temperature Range
TJ, Tstg
-55 to 150
THERMAL RESISTANCE RATINGS
Parameter
Symbol Maximum Units
t <= 10 sec
Steady State
40
Maximum Junction-to-Ambient a
°C/W
RθJA
80
Notes
a.
Surface Mounted on 1” x 1” FR4 Board.
b.
Pulse width limited by maximum junction temperature
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AO4684/MC4684
Electrical Characteristics
Parameter
Symbol
Test Conditions
Static
Min
Typ
Max
Unit
VGS(th)
IGSS
VDS = VGS, ID = 250 uA
VDS = 0 V, VGS = ±20 V
VDS = 32 V, VGS = 0 V
VDS = 32 V, VGS = 0 V, TJ = 55°C
VDS = 5 V, VGS = 10 V
VGS = 10 V, ID = 11 A
VGS = 4.5 V, ID = 8.8 A
VDS = 15 V, ID = 11 A
IS = 2.3 A, VGS = 0 V
Gate-Source Threshold Voltage
Gate-Body Leakage
1
V
±100
1
nA
IDSS
ID(on)
Zero Gate Voltage Drain Current
uA
A
25
On-State Drain Current a
20.7
11
14
Drain-Source On-Resistance a
rDS(on)
mΩ
Forward Transconductance a
Diode Forward Voltage a
gfs
22
S
V
VSD
0.74
Dynamic b
Qg
Qgs
Qgd
td(on)
tr
Total Gate Charge
Gate-Source Charge
Gate-Drain Charge
Turn-On Delay Time
Rise Time
20
5.6
9.6
6
VDS = 20 V, VGS = 4.5 V,
ID = 11 A
nC
ns
VDS = 20 V, RL = 1.9 Ω,
ID = 11 A,
VGEN = 10 V, RGEN = 6 Ω
13
57
22
737
72
57
td(off)
tf
Turn-Off Delay Time
Fall Time
Ciss
Coss
Crss
Input Capacitance
Output Capacitance
Reverse Transfer Capacitance
VDS = 15 V, VGS = 0 V, f = 1 MHz
pF
Notes
a. Pulse test: PW <= 300us duty cycle <= 2%.
b. Guaranteed by design, not subject to production testing.
FREESCALE reserves the right to make changes without further notice to any products herein. FREESCALE makes no warranty,
or guarantee regarding the suitability of its products for any particular purpose, nor does freescale assume any liability arising out
representation
of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special,
consequential or incidental damages. “Typical” parameters which may be provided in freescale data sheets and/or specifications can and do vary
in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each
customer application by customer’s technical experts. freescale does not convey any license under its patent rights nor the rights of others. freescale
products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the freescale product could create a situation
where personal injury or death may occur. Should Buyer purchase or use freescale products for any such unintended or unauthorized application,
Buyer shall indemnify and hold freescale and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs,
damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated
with such unintended or unauthorized use, even if such claim alleges that freescale was negligent regarding the design or manufacture of the part.
freescale is an Equal Opportunity/Affirmative Action Employer.
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Typical Electrical Characteristics
0.05
0.04
0.03
0.02
0.01
20
TJ = 25°C
15
10
3V
3.5V
5
4V,4.5V,6V,8V,10V
0
0
0
0
1
2
3
4
5
5
10
ID-Drain Current (A)
1. On-Resistance vs. Drain Current
15
20
VGS - Gate-to-Source Voltage (V)
2. Transfer Characteristics
0.1
0.08
0.06
0.04
0.02
100
10
TJ = 25°C
ID = 11A
TJ = 25°C
1
0.1
0.01
0
0
2
4
6
8
10
0.2
0.4
0.6
0.8
1
1.2
1.4
VSD - Source-to-Drain Voltage (V)
VGS - Gate-to-Source Voltage (V)
3. On-Resistance vs. Gate-to-Source Voltage
4. Drain-to-Source Forward Voltage
20
1200
1000
800
600
400
200
0
F = 1MHz
10V,8V,6V,4.5V,4V
15
10
5
Ciss
3.5V
3V
Coss
Crss
0
0
0.1
0.2
0.3
0.4
0
5
10
15
20
VDS - Drain-to-Source Voltage (V)
VDS-Drain-to-Source Voltage (V)
5. Output Characteristics
6. Capacitance
3
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Freescale
AO4684/MC4684
Typical Electrical Characteristics
10
2
VDS = 20V
ID = 11A
8
6
4
2
0
1.5
1
0.5
0
10
20
30
40
-50 -25
0
25
50
75 100 125 150
Qg - Total Gate Charge (nC)
TJ -JunctionTemperature(°C)
7. Gate Charge
8. Normalized On-Resistance Vs
Junction Temperature
1000
100
10
140
120
100
80
10 uS
100 uS
1 mS
10 mS
100 mS
1 SEC
10 SEC
100 SEC
DC
60
1
40
0.1
0.01
Idm limit
20
Limited by
RDS
0
0.1
1
10
100
1000
0.001 0.01
0.1
1
10
100
1000
VDS Drain to Source Voltage (V)
t1 TIME (SEC)
9. Safe Operating Area
10. Single Pulse Maximum Power Dissipation
1
0.1
D = 0.5
0.2
RθJA(t) = r(t) + RθJA
RθJA = 80 °C /W
0.1
0.05
0.02
P(pk)
t1
t2
0.01
Single Pulse
TJ - TA = P * RθJA(t)
Duty Cycle, D = t1 / t2
0.001
0.0001
0.001
0.01
0.1
t1 TIME (sec)
1
10
100
1000
11. Normalized Thermal Transient Junction to Ambient
4
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Package Information
Note:
1. All Dimension Are In mm.
2. Package Body Sizes Exclude Mold Flash, Protrusion Or Gate Burrs. Mold Flash, Protrusion Or Gate Burrs Shall
Not Exceed 0.10 mm Per Side.
3. Package Body Sizes Determined At The Outermost Extremes Of The Plastic Body Exclusive Of Mold Flash, Tie
Bar Burrs, Gate Burrs And Interlead Flash, But Including Any Mismatch Between The Top And Bottom Of The
Plastic Body.
4. The Package Top May Be Smaller Than The Package Bottom.
5. Dimension "B" Does Not Include Dambar Protrusion. Allowable Dambar Protrusion Shall Be 0.08 mm Total In
Excess Of "B" Dimension At Maximum Material Condition. The Dambar Cannot Be Located On The Lower Radius
Of The Foot.
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