LT1173CS8#TR Linear Technology, LT1173CS8#TR Datasheet - Page 14

• Manufacturer Part Number: LT1173CS8#TR
• Description: IC CONV DC/DC ADJ MICROPWR 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of LT1173CS8#TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 50 V
• Current - Output: 400mA
• Frequency - Switching: 23kHz
• Voltage - Input: 2 ~ 30 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 500mW
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

14
LT1 173
TYPICAL
2 X NICAD
A
*L1 = COILTRONICS CTX-20-5-52
†
PPLICATI
1% METAL FILM
4 X NICAD
ALKALINE
*L1 = COILTRONICS CTX100-4
CELLS
OR
GOWANDA GA20-103K
47k
100k
2N3906
2V to 5V at 300mA Step-Up Converter with Under Voltage Lockout
470 F
O
U
+
100k
S
“5 to 5” Step-Up or Step-Down Converter
100k
7
2.2M
SET
V
GND
OUT
I
V
LIM
IN
1
5
56
LT1173
AO
SET
= 2.6V TO 7.2V
= 5V AT 100mA
GND
I
LIM
LT1173
SW2
V
SW1
IN
2
4
AO
FB
100 H
SW2
L1*
V
3
6
8
SW1
IN
FB
20 H, 5A
L1*
1N5818
100
100k
+
301k
†
220
†
470 F
470k
2N4403
47
5
SI9405DY
MJE200
1N5820
240
24k
75k
+
+
LT1173 • TA23
470 F
100 F
OS-CON
+5V
OUTPUT
+5V OUTPUT
300mA
LOCKOUT AT
1.85V INPUT
LT1173 • TA24