Datasheet

7
LT1617/LT1617-1
TYPICAL APPLICATIO S
U
–33V Inverting Charge Pump Converter
V
IN
SW
NFB
LT1617
V
IN
5V
L1
10µH
D2
D1
SHDN
24.9k
619k
C2
1µF
–33V
20mA
1617/-1 TA03
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN GMK316BJ105 [phone]
C3: TAIYO YUDEN GMK212BJ224 [phone]
L1: MURATA LQH3C100K24 [phone]
D1: MOTOROLA MBR0540 [phone]
43
2
15
C3
0.22µF
V
IN
SW
NFB
LT1617
L1
10µH
D1
SHDN
24.9k
73.2k
C2
10µF
–5V
100mA
V
IN
5V
1617/-1 TA02
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN JMK316BJ106 [phone]
C3: TAIYO YUDEN EMK212BJ474 [phone]
L1, L2: MURATA LQH3C100K24 [phone]
D1: MOTOROLA MBR0520 [phone]
L2
10µH
43
2
15
C3
0.47µF
100pF
5V to –5V Inverting Converter
1-Cell to –9V Inverting Converter
V
IN
SW
NFB
LT1617-1
L1
47µH
D1
SHDN
24.9k
150k
C2
4.7µF
–9V
2.5mA
V
IN
1V TO 1.5V
1617/-1 TA02
GND
C1
4.7µF
C1: TAIYO YUDEN LMK316BJ475 [phone]
C2: TAIYO YUDEN EMK316BJ475 [phone]
C3: TAIYO YUDEN TMK316BJ224 [phone]
L1, L2: MURATA LQH3C470K34 [phone]
D1: CENTRAL SEMICONDUCTOR CMDSH-3 [phone]
L2
47µH
43
2
15
C3
0.22µF
Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no
responsibility is assumed for its use. Linear Technology Corporation makes no representation that the
interconnection of its circuits as described herein will not infringe on existing patent rights.