LT1073_15 Datasheet, PDF (16/16 Pages) Linear Technology – Micropower DC/DC Converter Adjustable and Fixed 5V, 12V

LT1073
TYPICAL APPLICATIO S
1.5V Powered Temperature Compensated Crystal Oscillator
30.1k* 27.4k*
150k*
6.81K*
LM134-3
1.5V
150k
73.2k*
1.5V
L1^†
820µH
+
LT1017
1.5V
–
2N3906
+
47µF
I_LIM
V_IN
FB
SW1
LT1073
100k
A0
SET
1k
2N3906
SW2
150k*
1N4148
+
100Ω
100k 39.2k*
1.5V
47µF
10M*
* 1% METAL FILM
† _{L1 = J.W. MILLER #100267}
= AT CUT –35° 20' ANGLE
0.02µF
2N3904
OUTPUT
1MHz
0.05ppm/°C
2k
510pF ^1MHz
560k
510pF
100k
MV209
1073 TA23
1.5V Powered α, β, γ Particle Detector
3 ^T1 10
0.01µF
1M
3M
330Ω ^1N976
4
1N4148 NC
D1
D2
X1 ^2N3906
2N3904
1.5V
10k
I_LIM
V_IN
FB
SW1
LT1073
AO
SET
GND SW2
5
7
NC ₁
2
NC
0.01µF
0.01µF
1M
1N5818
68pF
10M
600V
D3
500V
REGULATED
T1 = COILTRONICS CTX10052-1
X1 = PROJECTS UNLIMITED AT-
11k OR 8Ω SPEAKER
D1, D2, D3 = MUR1100
R1 = VICTOREEN MOX-300
U1 = LND-712 CORP., OCEANSIDE, NY
0.01µF
210k
R1
500M
1073 TA24
U1
RELATED PARTS
PART NUMBER
LT1307
LT1316
DESCRIPTION
Single Cell Micropower 600kHz PWM DC/DC Converter
Burst Mode^TM Operation DC/DC with Programmable Current Limit
LT1317
LT1610
2-Cell Micropower DC/DC with Low-Battery Detector
Single Cell Micropower DC/DC Converter
LT1611
LT1613
Inverting 1.4MHz Switching Regulator in 5-Lead SOT-23
1.4MHz Switching Regulator in 5-Lead SOT-23
LT1615
LT1617
Micropower Constant Off-Time DC/DC Converter in 5-Lead SOT-23
Micropower Inverting DC/DC Converter in 5-Lead SOT-23
LT1930/LT1930A 1.2MHz/2.2MHz, 1A Switching Regulator in 5-Lead SOT-23
LT1931/LT1931A 1.2MHz/2.2MHz, 1A Inverting Switching Regulator in 5-Lead SOT-23
Burst Mode operation is a trademark of Linear Technology Corporation.
COMMENTS
3.3V at 75mA from One Cell, MSOP Package
1.5V Minimum, Precise Control of Peak Current Limit
3.3V at 200mA from Two Cells, 600kHz Fixed Frequency
3V at 30mA from 1V, 1.7MHz Fixed Frequency
–5V at 150mA from 5V Input, Tiny SOT-23 Package
5V at 200mA from 3.3V Input, Tiny SOT-23 Package
20V at 12mA from 2.5V, Tiny SOT-23 Package
–15V at 12mA from 2.5V, Tiny SOT-23 Package
5V at 450mA from 3.3V Input, Tiny SOT-23 Package
–5V at 350mA from 5V Input, Tiny SOT-23 Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX:[phone] ^q www.linear-tech.com
1073fa LT/TP 0301 2K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2000