参数资料
型号: LT1073CS8-5#TRPBF
厂商: Linear Technology
文件页数: 14/16页
文件大小: 0K
描述: IC REG BUCK BST INV 5V .4A 8SOIC
标准包装: 2,500
类型: 降压(降压),升压(升压),反相
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 1 V ~ 30 V
频率 - 开关: 19kHz
电流 - 输出: 400mA
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
LT1073
TYPICAL APPLICATIO S
3V to 5V Step-Up Converter with Undervoltage Lockout
1.5V to 5V Low Noise Step-Up Converter
L1 ?
68 μ H
1N5818
5V OUTPUT
100mA
L1 ?
82 μ H
1N5818
5V OUTPUT
909k*
100k
100 ?
LOCKOUT
AT 1.8V
680k
20mV P-P RIPPLE
100k
I LIM
V IN
1M*
I LIM
V IN
909k*
3V
2N3906
2.2M
AO
SW1
LT1073
+
100 μ F
1.5V
FB
SW1
LT1073
+
100 μ F
OS-CON
SET
FB
AO
SET
100k*
GND
SW2
40.3k*
GND
SW2
40.2k*
L1 = GOWANDA GA10-682k
L1 = GOWANDA GA10-822k
* 1% METAL FILM
?
1073 TA17
* 1% METAL FILM
?
1073 TA18
OR CADDELL-BURNS 7300-11
1.5V to 5V Very Low Noise Step-Up Converter
OR CADDELL-BURNS 7300-12
9V to 5V Reduced Noise Step-Down Converter
L1
680k
?
470 μ H
1N5818
5V OUTPUT
5mA AT V BATTERY = 1V
10mV P-P RIPPLE
+V IN
6.5V TO 12V
680k
220 ?
L1 ?
47 μ H
5V OUT
90mA AT 6.5V IN
1.5V
I LIM V IN
FB SW1
LT1073
909k*
+
100 μ F
OS-CON
I LIM V IN SW1
FB
LT1073
1N5818
100 μ F
OS-CON
+
909k*
AO
SET
AO
SET
GND
SW2
40.2k*
GND
SW2
40.2k*
L1 = GOWANDA GA10-473k
L1 = GOWANDA GA10-472k
* 1% METAL FILM
?
OR CADDELL-BURNS 7300-21
EFFICIENCY = 83% AT 5mA LOAD
1073 TA19
* 1% METAL FILM
?
OR CADDELL-BURNS 7300-09
EFFICIENCY ≈ 80%
I Q ≈ 130 μ A
OUTPUT NOISE ≈ 100mV P-P
1073 TA20
INPUT
3V to 6V at 1A Step-Up Converter
1.5V Powered 350ps Risetime Pulse Generator
3V TO 6V
(2 LITHIUM CELLS)
L1 ?
25 μ H
6V OUTPUT
1A AT
V IN = 3V
MUR120
90V BIAS
L1
560k
I LIM
V IN
1N5820
1.5V
?
150 μ H
0.1 μ F MUR120
0.1 μ F
1M
C1
1000 μ F
+
549k*
FB SW1
LT1073
AO SET
GND SW2
+
2200 μ F
220 ?
I LIM V IN
SW1
LT1073
MUR120
0.1 μ F
10M
2pF TO 4pF
Q1
2N2369
OUTPUT
20k*
1N5818
51 ?
MTP3055EL
GND
FB
SW2
5V INTO
50 ? PULSE
WIDTH ≈ 1ns
2N3906
?
L1 = TOKO 262LYF-0095K
24k
10k
50 ?
L1 = COILTRONICS CTX25-5-52
* 1% METAL FILM
?
LOW I Q (<250 μ A)
5.1k
1073 TA21
SELECT Q1 AND C1 FOR OPTIMUM RISE AND FALL
1073 TA22
14
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