Version 4
SHEET 1 2968 1500
WIRE 2016 928 1824 928
WIRE 2080 928 2016 928
WIRE 2208 928 2144 928
WIRE 2016 960 2016 928
WIRE 1824 992 1824 928
WIRE 1568 1056 1472 1056
WIRE 1664 1056 1568 1056
WIRE 1680 1056 1664 1056
WIRE 2016 1056 2016 1024
WIRE 2016 1056 1968 1056
WIRE 2080 1056 2016 1056
WIRE 2208 1056 2208 928
WIRE 2208 1056 2160 1056
WIRE 2304 1056 2208 1056
WIRE 2400 1056 2304 1056
WIRE 2496 1056 2400 1056
WIRE 1472 1072 1472 1056
WIRE 2016 1072 2016 1056
WIRE 2400 1072 2400 1056
WIRE 2496 1072 2496 1056
WIRE 1568 1088 1568 1056
WIRE 2208 1088 2208 1056
WIRE 2304 1088 2304 1056
WIRE 2016 1152 2016 1136
WIRE 1472 1168 1472 1152
WIRE 1568 1168 1568 1152
WIRE 2400 1168 2400 1136
WIRE 2496 1168 2496 1152
WIRE 1664 1184 1664 1056
WIRE 1680 1184 1664 1184
WIRE 2208 1184 2208 1152
WIRE 2208 1184 1968 1184
WIRE 2304 1184 2304 1168
WIRE 2304 1184 2208 1184
WIRE 2304 1200 2304 1184
WIRE 1824 1264 1824 1248
WIRE 2304 1296 2304 1280
FLAG 1824 1264 0
FLAG 2304 1296 0
FLAG 2016 1152 0
FLAG 2400 1168 0
FLAG 1472 1168 0
FLAG 2496 1168 0
FLAG 2496 1056 OUT
FLAG 1568 1168 0
FLAG 1472 1056 IN
SYMBOL cap 2000 960 R0
WINDOW 3 26 50 Left 2
SYMATTR Value .1µ
SYMATTR InstName C1
SYMBOL ind 2064 1072 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 47µ
SYMBOL RES 2288 1072 R0
WINDOW 3 28 82 Left 2
SYMATTR Value 1Meg
SYMATTR InstName R1
SYMBOL res 2288 1296 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 332K
SYMBOL schottky 2000 1136 M180
WINDOW 0 41 53 Left 2
WINDOW 3 33 1 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS130L
SYMBOL schottky 2144 912 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 41 28 VTop 2
SYMATTR InstName D2
SYMATTR Value BAT54
SYMBOL VOLTAGE 1472 1056 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 34
SYMBOL cap 2384 1072 R0
SYMATTR InstName C2
SYMATTR Value 22µ
SYMBOL cap 1552 1088 R0
WINDOW 3 26 55 Left 2
SYMATTR Value 2.2µ
SYMATTR InstName C3
SYMBOL PowerProducts\\LT1934 1824 1120 R0
SYMATTR InstName U1
SYMBOL cap 2192 1088 R0
SYMATTR InstName C4
SYMATTR Value 10p
SYMBOL res 2480 1056 R0
SYMATTR InstName Rload
SYMATTR Value 33
TEXT 2416 1296 Left 2 !.tran 2.5m startup
TEXT 1384 1312 Left 2 ;Note:\n  If the simulation model is not found please update with the "Sync Release" command from the "Tools" menu.\n  It remains the customer's responsibility to verify proper and reliable operation in the actual application.\n  Component substitution and printed circuit board layout may significantly affect circuit performance or reliability\n  Contact your local sales representative for assistance. This circuit is distributed to customers only for use with LTC parts\n  Copyright © 2011 Linear Technology Inc. All rights reserved.
TEXT 1984 880 Bottom 2 ;LT1934 - µPower Step Down Regulator in ThinSOT\n5V Step-Down Converter\nInput: 6.5V to 34V     Output: 5V @ 250mA
