LTC3403EDD View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC3403EDD Datasheet PDF : 16 Pages
| |||
LTC3403
ABSOLUTE AXI U RATI GS
(Note 1)
Input Supply Voltage (< 300µs) .................. – 0.3V to 6V
Input Supply Voltage (DC) ....................... – 0.3V to 5.5V
RUN, REF, MODE, VOUT, GDR Voltages ..... – 0.3V to VIN
SW Voltage .................................. – 0.3V to (VIN + 0.3V)
P-Channel Switch Source Current (DC) ............. 800mA
N-Channel Switch Sink Current (DC) ................. 800mA
Peak SW Sink and Source Current ........................ 1.3A
Bypass P-Channel FET Source Current ...................... 1A
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Junction Temperature (Note 3) ............................ 125°C
Storage Temperature Range ................ – 65°C to 150°C
(DD Package) .................................... –65°C to 125°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
GDR 1
8 VOUT
VIN 2
9
7 REF
GND 3
6 MODE
SW 4
5 RUN
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
EXPOSED PAD IS GND (PIN 9)
MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 43°C/ W, θJC = 3°C/ W
ORDER PART
NUMBER
LTC3403EDD
DD PART MARKING
LAAX
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VIN = 3.6V unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
VOUT
∆VOUT
IPK
VLOADREG
VIN
IS
fOSC
VREF
RPFET
RNFET
RBYPASS
ILSW
ILBYP
VRUN
IRUN
VMODE
IMODE
IREF
Regulated Output Voltage
Output Voltage Line Regulation
Peak Inductor Current
Output Voltage Load Regulation
Input Voltage Range
Input DC Operating Current
Burst Mode Operation
Forced Continuous Mode Operation
Shutdown
Oscillator Frequency
Bypass PFET Turn-Off Threshold
Bypass PFET Turn-On Threshold
RDS(ON) of P-Channel FET
RDS(ON) of N-Channel FET
RDS(ON) of Bypass P-Channel FET
SW Leakage
Bypass PFET Leakage
RUN Threshold
RUN Input Current
MODE Threshold
MODE Input Current
REF Input Current
VREF = 1.1V, MODE = VIN
VREF = 0.1V, MODE = VIN
VIN = 2.5V to 5V
VIN = 3V, VREF = 0.9V
MODE = 0V, SW = Open
MODE = VIN, SW = Open
VRUN = 0V, VIN = 4.2V
VREF ≥ 0.25V
VREF ≤ 0.1V
VREF =
VREF =
ISW = 160mA, Wafer Level
ISW = 160mA, DD Package
ISW = –160mA, Wafer Level
ISW = –160mA, DD Package
IOUT = 100mA, VIN = 3V, Wafer Level
IOUT = 100mA, VIN = 3V, DD Package (Note 4)
VRUN = 0V, VSW = 0V or 5V, VIN = 5V
VOUT = 0V, VIN = 5V, VREF = 0V
VRUN = 2.5V or 0V
q 3.23
q 0.25
q
0.70
q 2.5
3.3
3.37
0.3
0.35
0.1
0.4
1
1.25
0.7
5
20
35
1.5
2.5
0.1
1
q 1.2
1.5
1.8
550 700 850
1.167 1.2
1.21 1.26
0.3
0.4
0.4
0.3
0.4
0.4
0.15 0.18
0.20
±0.01 ±1
±0.01 ±1
q 0.3
1
1.5
q
±0.01 ±1
q 0.3
1.5
2
q
±0.01 ±1
q
±0.01 ±1
UNITS
V
V
%/V
A
%
V
µA
mA
µA
MHz
kHz
V
V
Ω
Ω
Ω
Ω
Ω
Ω
µA
µA
V
µA
V
µA
µA
3403f
2
Share Link: 