参数资料
型号: LTC1263IS8#TRPBF
厂商: Linear Technology
文件页数: 1/8页
文件大小: 0K
描述: IC DC/DC CONV FLASHMEM 12V 8SOIC
标准包装: 2,500
应用: 转换器,编程电源
输入电压: 4.75 V ~ 5.5 V
输出数: 1
输出电压: 12V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
LTC1263
12V, 60mA Flash Memory
Programming Supply
FEATURES
DESCRIPTIO N
s
s
s
s
s
s
s
s
Guaranteed 60mA Output
Regulated 12V ± 5% Output Voltage
No Inductors
Supply Voltage Range: 4.75V to 5.5V
I CC 0.5 μ A Typ in Shutdown
Low Power: I CC = 300 μ A
8-Pin SO Package
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.
12V Flash Memory Programming Supplies
APPLICATIO N S
s
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 μ A.
s
s
Compact 12V Op Amp Supplies
Battery-Powered Systems
The LTC1263 is available in an 8-pin SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO N
Flash Memory Programming Supply
V CC
4.75V TO 5.5V
13.0
12.8
12.6
Output Voltage vs Load
C1
10 μ F
V CC
SHDN
ON
SHDN
μ P
12.4
12.2
0.47 μ F
12.0
0.47 μ F
C1 +
C2 –
C2 +
LTC1263
GND
V OUT
12V
5V
10 μ F
FLASH
MEMORY
VPP
11.8
11.6
11.4
11.2
11.0
LTC1263 ? TA01
0
20
40 60 80
LOAD CURRENT (mA)
100
LTC1263 ? TA02
1
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