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LTC1550L Datasheet(PDF) 3 Page - Linear Technology

Part No. LTC1550L
Description  Low Noise, Switched Capacitor Regulated Voltage Inverters
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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3
LTC1550L/LTC1551L
fOSC
Internal Oscillator Frequency
900
kHz
VOL
REG Output Low Voltage
IREG = 1mA, VCC = 5V
q
0.1
0.8
V
IREG
REG Sink Current
VREG = 0.8V, VCC = 5V
q
410
mA
VIH
SHDN Input High Voltage
VCC = 5V
q
2V
VIL
SHDN Input Low Voltage
VCC = 5V
q
0.8
V
IIN
SHDN Input Current
VSHDN = VCC (All LTC1550L Versions)
q
0.1
1
µA
VSHDN = VCC (All LTC1551L Versions)
q
520
µA
tON
Turn-On Time
VCC = 5V, IOUT = 10mA, –1.5V ≤ VOUT ≤ 4.1V
q
15
ms
(LTC1550L/LTC1551L)
VCC = 5V, IOUT = 5mA, VOUT = – 4.5V
q
15
ms
(LTC1550L/LTC1551L)
VCC = 5V, IOUT = 10mA, VOUT = – 2V
q
15
ms
(LTC1550L-2)
VCC = 5V, IOUT = 10mA, VOUT = – 2.5V
q
15
ms
(LTC1550L-2.5)
VCC = 5V, IOUT = 10mA, VOUT = – 4.1V
q
15
ms
(LTC1550L-4.1/LTC1551L-4.1)
VOUT
Output Regulation
2.7V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 1.537
– 1.5
– 1.463
V
(LTC1550L/LTC1551L)
2.8V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 1.537
– 1.5
– 1.463
V
3.5V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA
q
– 1.537
– 1.5
– 1.463
V
VOUT
Output Regulation
2.7V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 2.05
– 2.0
– 1.95
V
(LTC1550L/LTC1550L-2/
3.1V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 2.05
– 2.0
– 1.95
V
LTC1551L)
3.75V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA
q
– 2.05
– 2.0
– 1.95
V
VOUT
Output Regulation
3.05V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 2.562
– 2.5
– 2.438
V
(LTC1550L/LTC1550L-2.5/
3.45V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 2.562
– 2.5
– 2.438
V
LTC1551L)
4.1V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA
q
– 2.562
– 2.5
– 2.438
V
VOUT
Output Regulation
3.45V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 3.075
– 3.0
– 2.925
V
(LTC1550L/LTC1551L)
3.85V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 3.075
– 3.0
– 2.925
V
4.5V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA
q
– 3.075
– 3.0
– 2.925
V
VOUT
Output Regulation
3.9V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 3.587
– 3.5
– 3.413
V
(LTC1550L/LTC1551L)
4.2V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 3.587
– 3.5
– 3.413
V
4.85V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 20mA
q
– 3.587
– 3.5
– 3.413
V
VOUT
Output Regulation
4.5V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 4.203
– 4.1
– 3.998
V
(LTC1550L/LTC1550L-4.1)
4.75V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 4.203
– 4.1
– 3.998
V
(LTC1551L/LTC1551L-4.1)
VOUT
Output Regulation
4.8V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 5mA
q
– 4.613
– 4.5
– 4.388
V
(LTC1550L/LTC1551L))
5.1V
≤ VCC ≤ 5.25V, 0 ≤ IOUT ≤ 10mA
q
– 4.613
– 4.5
– 4.388
V
ISC
Output Short-Circuit Current
VOUT = 0V, VCC = 5.25V
q
80
200
mA
VRIPPLE
Output Ripple Voltage
1mV
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 2.7V to 5.25V, C1 = CCP = 0.1µF, COUT = 10µF, TA = 25°C unless otherwise specified. (Note 3)
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified. All typicals are given at TA = 25°C.
Note 3: The LTC1550LC/LTC1551LC are guaranteed to meet specified
performance from 0
°C to 70°C and are designed, characterized and
expected to meet these extended temperature limits, but are not tested at
–40
°C and 85°C. The LTC1550LI is guaranteed to meet the extended
temperature limits.




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