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LTC4555 Datasheet, PDF (2/8 Pages) Linear Technology – SIM Power Supply and Level Translator
LTC4555
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VBAT, DVCC, VCC to GND............................ –0.3V to 6.5V
Digital Inputs to GND ................................ –0.3V to 6.5V
CLK, RST, I/O to GND .......................–0.3V to VCC + 0.3V
VCC Short-Circuit Duration ................................... Infinite
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
16 15 14 13
SHDN 1
12 NC
VSEL 2
17
11 CLK
DVCC 3
10 GND
NC 4
9 RST
5678
UD PACKAGE
16-LEAD (3mm s 3mm) PLASTIC QFN
TJMAX = 125°C, θJA = 68°C/W, θJC = 4.2°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC4555EUD#PBF
LTC4555EUD#TRPBF LAAA
16-Lead (3mm × 3mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VBAT Operating Voltage
VBAT Operating Current
VBAT Shutdown Current
DVCC Operating Voltage
DVCC Operating Current
DVCC Shutdown Current
DVCC Undervoltage Lockout
VCC Output Voltage
VCC Short-Circuit Current
Controller Inputs/Outputs
Input Voltage Range
Input Current (IIH/IIL)
High Input Threshold Voltage (VIH)
Low Input Threshold Voltage (VIL)
High Input Threshold Voltage (VIH)
Low Input Threshold Voltage (VIL)
l
3
6
V
ICC = 0mA
SHDN = 0V, VBAT = 4.5V
l
20
30
μA
l
1
μA
l 1.2
4.4
V
fCLK = 1MHz
SHDN = 0V
l
5
10
μA
l
1
μA
l 0.5
1.1
V
VSEL = DVCC, VBAT = 3V, IVCC = 50mA
2.8
V
VSEL = DVCC, VBAT = 3.3V to 6V, IVCC = 0mA to 50mA l
2.8
3.0
3.2
V
VSEL = 0, VBAT = 2.6V to 6V, IVCC = 0mA to 50mA
l 1.7
1.8
1.9
V
VCC Shorted to GND
60
110
175
mA
SHDN, VSEL, RIN, CIN, DATA
SHDN, VSEL, RIN, CIN
RIN, CIN
RIN, CIN
SHDN, VSEL
SHDN, VSEL
0
l –100
l
l 0.2 × DVCC
l
l 0.4
DVCC
100
0.7 × DVCC
1
V
nA
V
V
V
V
4555fb
2