参数资料
型号: LTC1263IS8#TRPBF
厂商: Linear Technology
文件页数: 2/8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
ABSOLUTE M AXI M U M RATINGS
(Note 1)
PACKAGE/ORDER I N FOR M ATIO N
6 V OUT
C2
3
Supply Voltage (V DD ) ................................................. 6V
Input Voltage (SHDN) ..................... – 0.3V to V CC + 0.3V
I OUT Continuous.................................................... 90mA
Operating Temperature Range ..................... 0 ° C to 70 ° C
Storage Temperature Range ................. – 65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
TOP VIEW
C1 – 1 8 SHDN
C1 + 2 7 GND
C2 + 4 5 V CC
S8 PACKAGE
8-LEAD PLASTIC SO
ORDER PART
NUMBER
LTC1263CS8
T JMAX = 125 ° C, θ JA = 150 ° C/ W
Consult factory for Industrial and Military grade parts and TSSOP package
option.
ELECTRICAL CHARACTERISTICS
4.75V ≤ V CC ≤ 5.5V, T A = 0 ° C to 70 ° C (Notes 2, 3).
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V OUT
I CC
I SHDN
f OSC
Output Voltage
Supply Current
Shutdown Supply Current
Oscillator Frequency
0mA ≤ I OUT ≤ 60mA, V SHDN = 0V
No Load, V SHDN = 0V
No Load, V SHDN = V CC
V CC = 5V, I OUT = 60mA
q
q
q
11.4
0.32
0.5
300
12.6
1.0
10
V
mA
μ A
kHz
Power Efficiency
V CC = 5V, I OUT = 60mA
76
%
R SW
V CC to V OUT Switch Impedance
V CC = V SHDN = 5V, I OUT = 0mA
q
0.3
1
k ?
V IH
V IL
SHDN Input High Voltage
SHDN Input Low Voltage
q
q
2.4
0.8
V
V
t ON
t OFF
SHDN Input Current
Turn-On Time
Turn-Off Time
V CC = 5V, V SHDN = 0V
V CC = 5V, V SHDN = 5V
C1 = C2 = 0.47 μ F, C3 = C4 = 10 μ F (Note 4) (Figures 1, 2)
C1 = C2 = 0.47 μ F, C3 = C4 = 10 μ F (Figures 1, 2)
q
q
– 40
– 10
– 20
0
600
10
–5
10
μ A
μ A
μ s
ms
The q denotes specifications which apply over the full operating
temperature range.
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.
2
Note 3: All typicals are given at V CC = 5V, T A = 25 ° C.
Note 4: A higher value output capacitor can be used but the “turn-on” and
“turn-off” time will increase proportionally.
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