参数资料
型号: LTC1263IS8#TRPBF
厂商: Linear Technology
文件页数: 3/8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
TYPICAL PERFOR M A N CE CHARACTERISTICS
328
Supply Current
12.8
Output Voltage
220
Supply Current
326
I OUT = 0
12.6
V CC = 5V
215
I OUT = 60mA
324
12.4
210
322
320
V CC = 5V
12.2
12.0
I OUT = 60mA
205
200
V CC = 4.75V
V CC = 5V
318
11.8
I OUT = 0mA
I OUT = 90mA
195
V CC = 5.5V
316
314
312
11.6
11.4
11.2
190
185
180
–55 –35 –15
5
25
45
65
85 105
–55 –35 –15
5
25
45
65
85 105
–55 –35 –15
5
25
45
65
85 105
TEMPERATURE ( ° C)
LTC1263 ? TPC01
Output Voltage
12.8
TEMPERATURE ( ° C)
LTC1263 ? TPC02
Oscillator Frequency
460
TEMPERATURE ( ° C)
LTC1263 ? TPC03
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
T A = 25 ° C
I OUT = 0mA, 60mA
I OUT = 90mA
420
380
340
300
260
220
180
140
4.7
4.8
4.9
5.0 5.1
5.2
5.3
5.4 5.5
–55 –35 –15
5
25
45
65
85 105
SUPPLY VOLTAGE (V)
LTC1263 ? TPC04
PI N FU N CTIO N S
C1 – (Pin 1): First Charge Capacitor Negative Input. Connect
a 0.47 μ F capacitor (C1) between C1 + and C1 – .
C1 + (Pin 2): First Charge Capacitor Positive Input. Connect
a 0.47 μ F capacitor (C1) between C1 + and C1 – .
C2 – (Pin 3): Second Charge Capacitor Negative Input.
Connect a 0.47 μ F capacitor (C2) between C2 + and C2 – .
C2 + (Pin 4): Second Charge Capacitor Positive Input.
Connect a 0.47 μ F capacitor (C2) between C2 + and C2 – .
TEMPERATURE ( ° C)
LTC1263 ? TPC05
V CC (Pin 5): Positive Supply Input. 4.75V ≤ V CC ≤ 5.5V.
Requires a 10 μ F bypass capacitor to ground (C4).
V OUT (Pin 6): 12V Output. Requires a 10 μ F or a higher
value bypass capacitor to ground (C3). V OUT = V CC when
in the shutdown mode.
GND (Pin 7): Ground.
SHDN (Pin 8): Active-High TTL Logic Level Shutdown Pin.
SHDN is internally pulled up to V CC . Connect to GND for
normal operation. In shutdown mode, the charge pump is
turned off and V OUT = V CC .
3
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