LTC3404EMS8 Linear Technology, LTC3404EMS8 Datasheet - Page 2

• Manufacturer Part Number: LTC3404EMS8
• Description: IC REG STP-DWN SYNC HI-EFF 8MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3404EMS8

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 6 V
• Current - Output: 600mA
• Frequency - Switching: 1.4MHz
• Voltage - Input: 2.65 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

ABSOLUTE AXI U RATI GS
LTC3404
(Note 1)
Input Supply Voltage (V
I
RUN, V
SYNC/MODE Voltage .................................. – 0.3V to V
SW Voltage (DC) .......................... – 0.3V to (V
P-Channel MOSFET Source Current (DC) ........... 800mA
N-Channel MOSFET Sink Current (DC) ............... 800mA
Peak SW Sink and Source Current ........................ 1.5A
Operating Temperature Range (Note 2)
Junction Temperature (Note 3) ............................ 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
The
V
SYMBOL
I
V
ΔV
ΔV
V
V
I
f
f
I
R
R
I
I
V
I
V
I
ELECTRICAL CHARACTERISTICS
2
VFB
Q
OSC
SYNC
PLL LPF
PK
LSW
SYNC/MODE
RUN
TH
FB
LOADREG
IN
SYNC/MODE
RUN
IN
PFET
NFET
OVL
FB
LTC3404E/LTC3404I ........................... –40°C to 85°C
LTC3404MP ...................................... –55°C to 125°C
, PLL LPF Voltage ................................– 0.3V to 2.7V
= 3.6V unless otherwise specified.
●
denotes specifications which apply over –40°C to 85°C, otherwise specifications are T A = 25°C.
FB
Voltages ...................................... – 0.3V to V
PARAMETER
Feedback Current
Regulated Output Voltage
Output Overvoltage Lockout
Reference Voltage Line Regulation
Output Voltage Load Regulation
Input Voltage Range
Input DC Bias Current
Oscillator Frequency
SYNC Capture Range
Phase Detector Output Current
R
R
Peak Inductor Current
SW Leakage
SYNC/MODE Threshold
SYNC/MODE Leakage Current
RUN Threshold
RUN Input Current
DS(ON)
DS(ON)
Pulse Skipping Mode
Burst Mode Operation
Shutdown
Sinking Capability
Sourcing Capability
of P-Channel MOSFET
of N-Channel MOSFET
W
IN
)...........................– 0.3V to 7V
W W
CONDITIONS
(Note 4)
(Note 4) 0°C ≤ T
(Note 4) – 40°C ≤ T
ΔV
V
Measured in Servo Loop; V
Measured in Servo Loop; V
(Note 5)
2.65V < V
V
V
V
V
f
f
I
I
V
V
V
V
PLLIN
PLLIN
SW
SW
IN
SYNC/MODE
RUN
FB
FB
IN
RUN
SYNC/MODE
RUN
OVL
= 2.65V to 6V (Note 4)
= 3.3V, V
= 0.8V
= 0V
= 100mA
= –100mA
U
= 0V, V
= 0V, V
Rising
< f
> f
= V
IN
OSC
OSC
IN
OVL
+ 0.3V)
< 6V, V
= V
Rising
IN
FB
SW
– V
= 6V
IN
= 0.7V, Duty Cycle < 35%
A
= 0V or 6V, V
, I
FB
≤ 85°C
IN
IN
A
SYNC/MODE
OUT
≤ 85°C
= 0A
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ITH
ITH
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
IN
= 0V, I
= 0.9V to 1.2V
= 1.6V to 1.2V
= 6V
LTC3404EMS8
LTC3404IMS8
LTC3404MPMS8
OUT
= 0A
RUN
GND
V
I
T
http://www.linear.com/leadfree/
TH
FB
JMAX
●
●
●
●
●
●
●
●
●
●
●
8-LEAD PLASTIC MSOP
1
2
3
4
= 125°C, θ
MS8 PACKAGE
TOP VIEW
0.784
MIN
0.74
2.65
1.25
1.0
0.8
0.3
0.3
–6
20
6
JA
= 125°C/W
U
MS8 PART MARKING
±0.01
±0.01
±0.01
8
7
6
5
– 0.1
0.05
TYP
400
200
–20
0.8
0.8
1.4
0.5
0.6
1.0
1.0
0.7
50
10
0.1
PLL LPF
SYNC/MODE
V
SW
4
0
20
IN
LTKR
LTCJR
LTCXG
W
0.816
MAX
– 0.5
0.84
1.65
1.25
–40
110
700
0.2
1.7
0.7
0.8
1.5
1.5
±1
±1
±1
30
15
0.5
40
6
1
UNITS
U
3404fb
MHz
MHz
%/V
kHz
mV
nA
μA
μA
μA
μA
μA
μA
μA
μA
%
%
Ω
Ω
V
V
V
A
V
V