LT1073CN8 Linear Technology, LT1073CN8 Datasheet - Page 14

• Manufacturer Part Number: LT1073CN8
• Description: IC DC/DC CONVERTER ADJSTBL 8-DIP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of LT1073CN8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 400mA
• Frequency - Switching: 19kHz
• Voltage - Input: 1 ~ 30 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Power - Output: 500mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1073
TYPICAL APPLICATIO S
14
1000 F
(2 LITHIUM CELLS)
* 1% METAL FILM
†
LOW I
* 1% METAL FILM
†
L1 = COILTRONICS CTX25-5-52
L1 = GOWANDA GA10-682k
* 1% METAL FILM
†
EFFICIENCY = 83% AT 5mA LOAD
3V
3V TO 6V
L1 = GOWANDA GA10-473k
3V to 5V Step-Up Converter with Undervoltage Lockout
Q
1.5V
INPUT
+
680k
OR CADDELL-BURNS 7300-11
(<250 A)
100k*
909k*
2N3906
OR CADDELL-BURNS 7300-21
1.5V to 5V Very Low Noise Step-Up Converter
GND
549k*
I
FB
AO
20k*
LIM
560k
3V to 6V at 1A Step-Up Converter
LT1073
100k
2.2M
100k
SW2
SW1
V
SET
IN
FB
AO
GND
I
LIM
470 H
LT1073
L1
SET
†
AO
GND
I
LIM
SW2
SW1
V
LT1073
SET
100
IN
1N5818
5.1k
1N5818
40.2k*
909k*
SW2
SW1
V
IN
FB
2N3906
U
68 H
L1
51
25 H
L1
+
†
†
1073 TA19
5V OUTPUT
5mA AT V
10mV
100 F
OS-CON
1N5818
40.3k*
1M*
1N5820
P-P
MTP3055EL
6V OUTPUT
RIPPLE
BATTERY
V
1A AT
IN
+
+
= 3V
1073 TA17
2200 F
= 1V
100 F
1073 TA21
5V OUTPUT
100mA
LOCKOUT
AT 1.8V
6.5V TO 12V
†
SELECT Q1 AND C1 FOR OPTIMUM RISE AND FALL
* 1% METAL FILM
†
1.5V
L1 = TOKO 262LYF-0095K
GND
I
L1 = GOWANDA GA10-472k
LIM
LT1073
220
OR CADDELL-BURNS 7300-09
* 1% METAL FILM
†
+V
L1 = GOWANDA GA10-822k
680k
IN
1.5V
SW2
SW1
680k
V
1.5V Powered 350ps Risetime Pulse Generator
9V to 5V Reduced Noise Step-Down Converter
IN
FB
OR CADDELL-BURNS 7300-12
1.5V to 5V Low Noise Step-Up Converter
150 H
L1
220
†
FB
AO
GND
I
LIM
FB
AO
GND
I
LIM
LT1073
LT1073
0.1 F
V
IN
SW2
SW1
MUR120
V
SET
SW2
SW1
IN
SET
MUR120
0.1 F
MUR120
82 H
L1
†
EFFICIENCY 80%
I
OUTPUT NOISE 100mV
Q
130 A
1N5818
40.2k*
909k*
1N5818
OS-CON
47 H
L1
0.1 F
100 F
24k
†
+
+
10M
10k
90V BIAS
1073 TA18
5V OUTPUT
20mV
100 F
OS-CON
1M
P-P
40.2k*
909k*
5V
90mA AT 6.5V
P-P
2pF TO 4pF
Q1
2N2369
50
1073 TA20
OUT
OUTPUT
5V INTO
50 PULSE
WIDTH 1ns
RIPPLE
C1
1073 TA22
IN