Datasheet

LTC3108-1
21
31081fb
For more information www.linear.com/LTC3108-1
Typical applicaTions
Low Profile (1.5mm) Step-Up Converter/Harvester Using 1:10 Transformer
31081 TA07
C1
C2
SW
VS2
VS1
OUTPUT CAN SUPPORT A 20mA,
10ms LOAD PULSE EVERY 0.4s
AT V
IN
= 150mV
V
OUT2
V
IN
150mV TO 600mV
V
OUT2
PGOOD
2.2V
330µF
× 3
PGD
VLDO
VSTORE
V
OUT
V
OUT2_EN
ENABLE
LTC3108-1
VAUX GND
2.2V
10ms
10ms
3V
BAS31
VAUX
10µF
C
IN
T1
1:10
T1: COILCRAFT LPR4012-202LML
*C
RES
LOWERS START-UP VOLTAGE
TO 135mV TYPICAL
330pF
499k
2.2µF
VLDO
C
RES
*
390pF
0.068µF
0.1µF
ON
OFF
3V AT 20mA
AVX TPSX337M004R0100
+
V
IN
(mV)
150
I
VOUT
(mA)
4
5
3
2
250 300 400
200
350 450
550
500 600
1
0
6
31081 TA07b
V
OUT
≤ 3V
MINIMUM LIMIT
TYPICAL
I
VOUT
vs V
IN
(Steady State)