LTC1555C Ver la hoja de datos (PDF) - Linear Technology
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LTC1555C Datasheet PDF : 12 Pages
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LTC1555/LTC1556
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN, DVCC to GND ..................................... – 0.3V to 12V
VCC to GND ............................................... – 0.3V to 12V
Digital Inputs to GND ................................ – 0.3V to 12V
LDO, CLK, RST, I/O to GND ........ – 0.3V to (VCC + 0.3V)
VCC, LDO Short-Circuit Duration ..................... Indefinite
Storage Temperature Range ................. – 65°C to 150°C
Temperature Range
LTC1555C/LTC1556C .............................. 0°C to 70°C
LTC1555I/LTC1556I ........................... – 40°C to 85°C
Extended Commercial Operating Temperature Range
(Note 2) ............................................. – 40°C to 85°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
CIN 1
RIN 2
DATA 3
DDRV 4
DVCC 5
SS 6
M1 7
M0 8
TOP VIEW
16 CLK
15 RST
14 I/O
13 VCC
12 VIN
11 C1+
10 C1–
9 GND
GN PACKAGE
16-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 135°C/ W
ORDER PART
NUMBER
LTC1555CGN
LTC1555IGN
Consult factory for Military grade parts.
TOP VIEW
CIN 1
RIN 2
DATA 3
DDRV 4
EN 5
FB 6
DVCC 7
SS 8
M1 9
M0 10
20 CLK
19 RST
18 I/O
17 LDO
16 VCC
15 VIN
14 C1+
13 C1–
12 GND
11 GND
GN PACKAGE
20-LEAD PLASTIC SSOP
TJMAX = 150°C, θJA = 95°C/ W
ORDER PART
NUMBER
LTC1556CGN
LTC1556IGN
ELECTRICAL CHARACTERISTICS
VIN = 2.7V to 10V, DVCC = 1.8V to 5.5V, controller digital pins tied to DVCC, SIM digital pins floating, EN, FB pins tied to GND
(LTC1556), C1 = 0.1µF, COUT = 10µF unless otherwise specified.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Operating Voltage
DVCC Operating Voltage
VIN Operating Current
VIN Shutdown Current
DVCC Operating Current
DVCC Shutdown Current
VCC Output Voltage
VCC Output Ripple
2.7V ≤ VIN ≤ 5V, VCC = 5V, IVCC = 0
5V < VIN ≤ 10V, VCC = 5V, IVCC = 0
M0, M1 = 0V, 2.7V ≤ VIN ≤ 5V
M0, M1 = 0V, 2.7V ≤ VIN ≤ 5V
M0, M1 = 0V, 5V < VIN ≤ 10V
M0, M1 = DVCC, CIN = 1MHz
M0, M1 = 0V
0 ≤ IVCC ≤ 10mA, 2.7V ≤ VIN ≤ 10V
0 ≤ IVCC ≤ 20mA, 3V ≤ VIN ≤ 10V
M0, M1 = DVCC
M0 = DVCC, M1 = 0
M0 = 0, M1 = DVCC
VIN = 3.6V, IVCC = 10mA, VCC = 5V
q 2.7
10
V
q 1.8
5.5
V
q
60
100
µA
q
75
135
µA
1
µA
q
2
µA
25
µA
q
6
20
µA
q
1
µA
q 4.75
5.00
q 2.80
3.00
q VIN – 0.3
75
5.25
V
3.20
V
VIN
V
mVP-P
2
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