LT1610 Linear Technology, LT1610 Datasheet - Page 14

• Manufacturer Part Number: LT1610
• Description: Constant-Current/ Constant-Voltage 1.4MHz Step-Up DC/DC Converter
• Manufacturer: Linear Technology

LT1610
TYPICAL APPLICATIONS
14
Super Cap Charger Output Current vs Output Voltage
25
20
15
10
5
0
2.0
2.5
OUTPUT VOLTAGE (V)
SHUTDOWN
3.0
CHARGE
3.5
C1, C2: AVX TAJA156M010
D1: MOTOROLA MBR0530T1
L1: MURATA LQH1C4R7
Q1: 2N3906
1 AA
ALKALINE
4.0
U
4.5
+
1610 TA12
3.3nF
C1
15 F
15k
5.0
Single Cell Super Cap Charger
3
1
SHDN
V
C
GND
V
IN
7
6
LT1610
4.7 H
L1
PGND
COMP
SW
4
5
FB
8
2
D1
+
Super Cap Charger Output Power vs Output Voltage
C2
15 F
60
50
40
30
20
10
0
Q1
2.0
20
R4
2.5
OUTPUT VOLTAGE (V)
R1
200k
R2
2M
R3
845k
3.0
+
3.5
1610 TA11
C
BIG
V
4.5V
4.0
OUT
4.5
1610 TA13
5.0