参数资料
型号: LTC1550CS8-4.1#TR
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC REG SWITCHED CAP INV 8SOIC
标准包装: 2,500
类型: 切换式电容器(充电泵),反相
输出类型: 固定
输出数: 1
输出电压: -4.1V
输入电压: 4.5 V ~ 6.5 V
频率 - 开关: 900kHz
电流 - 输出: 20mA
同步整流器:
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LTC1550/LTC1551
ELECTRICAL CHARACTERISTICS
V CC = 4.5V to 6.5V, C1 = C2 = 0.1 μ F, C OUT = 10 μ F, T A = 25 ° C unless otherwise specified. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V OUT
V OUT
V OUT
V OUT
V OUT
V OUT
I SC
Output Regulation
(LTC1550CGN/LTC1550IGN)
Output Regulation
(LTC1550CGN/LTC1550IGN)
Output Regulation
(LTC1550CGN/LTC1550IGN)
Output Regulation
(LTC1550CGN/LTC1550IGN)
Output Regulation
(LTC1550CGN/LTC1550IGN)
Output Regulation
(LTC1550CS8-4.1/LTC1551CS8-4.1)
Output Short-Circuit Current
3.05V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
3.45V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
4.1V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
3.45V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
3.85V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
4.5V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
3.9V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
4.2V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
4.85V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
4.5V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
4.75V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
5.35V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
4.8V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
5.1V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
5.7V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
4.5V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 5mA
4.75V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 10mA
5.35V ≤ V CC ≤ 6.5V, 0 ≤ I OUT ≤ 20mA
V OUT = 0V, V CC = 5V
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
– 2.625
– 2.625
– 2.625
– 3.15
– 3.15
– 3.15
– 3.675
– 3.675
– 3.675
– 4.3
– 4.3
– 4.3
– 4.725
– 4.725
– 4.725
– 4.3
– 4.3
– 4.3
– 2.5
– 2.5
– 2.5
– 3.0
– 3.0
– 3.0
– 3.5
– 3.5
– 3.5
– 4.1
– 4.1
– 4.1
– 4.5
– 4.5
– 4.5
– 4.1
– 4.1
– 4.1
50
– 2.375
– 2.375
– 2.375
– 2.85
– 2.85
– 2.85
– 3.325
– 3.325
– 3.325
– 3.9
– 3.9
– 3.9
– 4.275
– 4.275
– 4.275
– 3.9
– 3.9
– 3.9
150
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
mA
V RIPPLE
Output Ripple Voltage
V OUT = 0V, V CC = 6.5V
q
80
1
200
mA
mV
The q denotes specifications which apply over the specified
temperature range.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 3: C-grade device specifications are guaranteed over the 0 ° C to 70 ° C
temperature range. In addition, C-grade device specifications are assured
over the – 40 ° C to 85 ° C temperature range by design or correlation, but
are not production tested.
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. All typicals are given at T A = 25 ° C.
TYPICAL PERFOR M A N CE CHARACTERISTICS
Oscillator Frequency
Output Voltage vs Output Current
vs Temperature
Supply Current vs Temperature
(LTC1550CS8-4.1/LTC1551CS8-4.1)
975
925
V OUT = – 4.1V
V CC = 5V
6.0
5.5
V OUT = – 4.1V
–3.0
–3.2
T A = 25 ° C
875
5.0
–3.4
V CC = 4.5V
825
4.5
V CC = 5V
–3.6
V CC = 5V
775
725
4.0
3.5
–3.8
–4.0
V CC = 6.5V
675
–45 –25
–5
15
35
55
75
95
3.0
–45 –25
–5
15
35
55
75
95
–4.2
0
5
10 15 20
25
30
TEMPERATURE (?C)
LTC1550/51 G01
TEMPERATURE ( ° C)
LTC1550/51 G02
OUTPUT CURRENT (mA)
LTC1550/51 G03
3
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