参数资料
型号: LTC1263CS8#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHED CAPACITOR REGULATOR, 300 kHz SWITCHING FREQ-MAX, PDSO8
封装: 0.150 INCH, PLASTIC, SOP-8
文件页数: 1/8页
文件大小: 197K
代理商: LTC1263CS8#TR
1
LTC1263
12V, 60mA Flash Memory
Programming Supply
s
Guaranteed 60mA Output
s
Regulated 12V
±5% Output Voltage
s
No Inductors
s
Supply Voltage Range: 4.75V to 5.5V
s
ICC 0.5A Typ in Shutdown
s
Low Power: ICC = 300A
s
8-Pin SO Package
s
Same Pinout as LTC1262 and MAX662
The LTC
1263 is a regulated 12V, 60mA output DC/DC
converter. It provides the 12V
±5% output necessary to
program double byte-wide flash memories. The output
provides 60mA from input voltages as low as 4.75V
without using any inductors. Only four external capacitors
are required to complete an extremely small, surface
mountable circuit. The output can be momentarily shorted
to ground without damaging the part.
The active high TTL compatible Shutdown pin can be
directly connected to a microprocessor. In the shutdown
mode, the supply current typically drops to 0.5
A.
The LTC1263 is available in an 8-pin SO package.
FEATURES
DESCRIPTION
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
12V Flash Memory Programming Supplies
s
Compact 12V Op Amp Supplies
s
Battery-Powered Systems
APPLICATIONS
U
TYPICAL APPLICATION
U
Flash Memory Programming Supply
Output Voltage vs Load
SHDN
VOUT
C1
C1+
C2
C2+
LTC1263
0.47
F
0.47
F
LTC1263 TA01
10
F
VCC
4.75V TO 5.5V
VPP
P
FLASH
MEMORY
GND
VCC
10
F
ON
5V
SHDN
12V
LOAD CURRENT (mA)
0
20
40
60
80
100
OUTPUT
VOLTAGE
(V)
LTC1263 TA02
13.0
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
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