ADP1073AN-5 AD [Analog Devices], ADP1073AN-5 Datasheet - Page 13

• Manufacturer Part Number: ADP1073AN-5
• Description: Micropower DC.DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V
• Manufacturer: AD [Analog Devices]

REV. 0
1.5 VOLT
CELL
Figure 33. 1.5 V to 5 V Step-Up Converter with Logic
Shutdown
Figure 34. 1.5 V to 5 V Step-Up Converter with Low
Battery Detector
1.5 VOLT
100 F
CELL
SHUTDOWN
Figure 32. 5 V to 12 V Step-Up Converter
*
** 1% METAL FILM
442k **
100k **
L1 = GOWANDA GA10-822k
5 V
*
L1 = GOWANDA GA20-153k
*
** 1% METAL FILM
IN
L1 = GOWANDA GA10-822k
OR CADDELL-BURNS 7300-12
OR CADDELL-BURNS 7200-15
OR CADDELL-BURNS 7200-12
I
ADP1073-12
LIM
I
LIM
7
GND
GND
OPERATE
ADP1073
SET
V
I
LIM
IN
V
ADP1073-5
IN
GND
V
150 H
82 H
IN
SW2
L1
L1
SW2
82 H
*
*
L1
SW2
SENSE
SW1
SENSE
*
SW1
1N4148
FB
SW1
1N5818
AO
1N5818
1N5818
74C04
909k **
40.2k **
100 F
12V OUTPUT
100mA AT 4.5 V
100k
100 F
LO BATT
GOES LOW
AT V
5V OUTPUT
100 F
5V OUTPUT
BATTERY
IN
= 1.15V
–13–
Figure 37. 1.5 V to 5 V Bootstrapped Step-Up Converter
BATTERY
1.5 VOLT
BATTERY
9 VOLT
9 VOLT
CELL
Figure 36. 9 V to 5 V Step-Down Converter
Figure 35. 9 V to 3 V Step-Down Converter
*L1 = GOWANDA GA10-103k
* L1 = GOWANDA GA10-103k
220
* L1 = GOWANDA GA10-472k
MINIMUM START-UP VOLTAGE = 1.1V
220
OR CADDELL-BURNS 7300-13
2.2
OR CADDELL-BURNS 7300-13
I
LIM
GND
OR CADDELL-BURNS 7300-14
ADP1073
GND
ADP1073-5
I
LIM
1N5818
ADP1073-5
I
1N5818
LIM
GND
2N3906
V
IN
56
SW2
V
47 H
IN
SW1
L1 *
SW2
V
FB
IN
SW2
100 H
SENSE
L1 *
SW1
SENSE
100 H
SW1
L1 *
1N5818
100 F
100 F
ADP1073
536k
40.2k
100 F
5V OUTPUT
5V OUTPUT
25mA
3V OUTPUT