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LTC1429CS8-4 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1429CS8-4
功能描述  Clock-Synchronized Switched Capacitor Regulated Voltage Inverter
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1429CS8-4 数据表(HTML) 2 Page - Linear Technology

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LTC1429
LTC1429CS8/LTC1429CS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF
Reference Voltage
q
1.20
1.24
1.28
V
IS
Supply Current
VCC = 3.3V
q
600
1500
µA
VCC = 5V
q
600
1500
µA
VSYNC/SD = VCC or GND
q
0.2
5
µA
FSYNC
Synchronous Clock Frequency (Note 8)
VCC ≤ 5V
60
700
2000
kHz
VCC = 6.5V
100
700
2000
kHz
PEFF
Power Efficiency
65
%
VOL
REG Output Low Voltage
IREG = 1mA
q
0.1
0.8
V
IREG
REG Sink Current
VREG = 0.8V, VCC = 3.3V
q
58
mA
VREG = 0.8V, VCC = 5V
q
815
mA
IADJ
Adjust Pin Current
VADJ = 1.24V (Note 5)
q
0.01
1
µA
VIH
SYNC/SD Input High Voltage
VCC = 5V
q
2.0
V
VIL
SYNC/SD Input Low Voltage
VCC = 5V
q
0.8
V
IIN
SYNC/SD Input Current
VSYNC/SD = VCC or GND
q
±1
µA
TON
Turn On Time
IOUT = 10mA
200
µs
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
LTC1429CS8-4*
ORDER PART
NUMBER
LTC1429CS
ORDER PART
NUMBER
TJMAX = 150°C, θJA = 150°C/ W
S8 PART MARKING
Consult factory for Industrial and Military grade parts. *Contact factory for other output voltages or 8-pin adjustable parts.
VCC = 3V to 6.5V. C1 = C2 = 0.1µF (Note 4), COUT = 3.3µF, FSYNC = 700kHz with 50% duty cycle square wave, unless otherwise noted.
(Note 1)
Supply Voltage (Note 2)............................................. 9V
Output Voltage .............................................0.3V to – 9V
Total Voltage, VCC to VOUT (Note 2) ......................... 12V
Input Voltage (SYNC/SD Pin) ...... – 0.3V to (VCC + 0.3V)
Input Voltage (REG Pin).............................– 0.3V to 12V
Input Voltage (ADJ, RO-1, RADJ)
.....................................(VOUT – 0.3V) to (VCC + 0.3V)
Output Short Circuit Duration .......................... Indefinite
Operating Temperature Range ..................... 0
°C to 70°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300
°C
14294
ELECTRICAL CHARACTERISTICS
1
2
3
4
8
7
6
5
TOP VIEW
SYNC/SD
REG
OUT
COMP
VCC
C1+
C1–
GND
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 110°C/ W
TOP VIEW
S PACKAGE
14-LEAD PLASTIC SO
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
C1+
C1–
C2+
C2–
GND
R0
VCC
SYNC/SD
REG
OUT
ADJ
RADJ
R1



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