LTC3407-4EMSE データシートの表示（PDF） - Linear Technology
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LTC3407-4EMSE Datasheet PDF : 16 Pages
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LTC3407-4
ABSOLUTE AXI U RATI GS (Note 1)
VIN Voltages.................................................– 0.3V to 6V
VFB1, VFB2 Voltages......................... – 0.3V to VIN + 0.3V
RUN1, RUN2 Voltages ................................ –0.3V to VIN
MODE/SYNC Voltage .................................. – 0.3V to VIN
SW1, SW2 Voltage ......................... – 0.3V to VIN + 0.3V
POR Voltage ................................................– 0.3V to 6V
UW U
PACKAGE/ORDER I FOR ATIO
Ambient Operating Temperature
Range (Note 2) ....................................... – 40°C to 85°C
Junction Temperature (Note 5) ............................. 125°C
Storage Temperature Range ................. – 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
LTC3407-4EMSE only ...................................... 300°C
Reflow Peak Body Temperature ............................ 260°C
TOP VIEW
VFB1 1
RUN1 2
VIN 3
SW1 4
GND 5
10 VFB2
9 RUN2
11
8 POR
7 SW2
6 MODE/
SYNC
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
ORDER PART NUMBER
DD PART MARKING
LTC3407EDD-4
LCJD
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
VFB1 1
RUN1 2
10 VFB2
9 RUN2
VIN 3
11
8 POR
SW1 4
7 SW2
GND 5
6 MODE/
SYNC
MSE PACKAGE
10-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS PGND, MUST BE CONNECTED TO GND
ORDER PART NUMBER
LTC3407EMSE-4
MSE PART MARKING
LTCJC
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, unless otherwise specified. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
VIN
IFB
VFB
∆VLINE REG
∆VLOAD REG
IS
fOSC
fSYNC
Operating Voltage Range
Feedback Pin Input Current
Feedback Voltage (Note 3)
Reference Voltage Line Regulation
Output Voltage Load Regulation
Input DC Supply Current (Note 4)
Active Mode
Sleep Mode
Shutdown
Oscillator Frequency
Synchronization Frequency
0°C ≤ TA ≤ 85°C
–40°C ≤ TA ≤ 85°C
VIN = 2.5V to 5.5V (Note 3)
(Note 3)
VFB1 = VFB2 = 0.5V
VFB1 = VFB2 = 0.63V, MODE/SYNC = 3.6V
RUN = 0V, VIN = 5.5V, MODE/SYNC = 0V
VFBX = 0.6V
● 2.5
5.5
●
30
0.588 0.6 0.612
● 0.585 0.6 0.612
0.3
0.5
0.5
700 950
40
60
0.1
1
● 1.8
2.25
2.7
2.25
ILIM
RDS(ON)
Peak Switch Current Limit
Top Switch On-Resistance
Bottom Switch On-Resistance
VIN = 3V, VFBX = 0.5V, Duty Cycle <35%
(Note 6)
(Note 6)
0.95
1.2
1.6
0.35 0.45
0.30 0.45
ISW(LKG)
Switch Leakage Current
VIN = 5V, VRUN = 0V, VFBX = 0V
0.01
1
UNITS
V
nA
V
V
%/V
%
µA
µA
µA
MHz
MHz
A
Ω
Ω
µA
34074f
2
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