ADR435 AD [Analog Devices], ADR435 Datasheet - Page 23

• Manufacturer Part Number: ADR435
• Description: Quad-Channel, 12-Bit, Serial Input, 4 mA to 20 mA Output
• Manufacturer: AD [Analog Devices]

Data Sheet
DC-TO-DC CONVERTER
Figure 53. Efficiency at V
Figure 54. Efficiency at V
Figure 55. Output Efficiency vs. Output Current (See Figure 77)
90
85
80
75
70
65
60
55
50
80
70
60
50
40
30
20
90
85
80
75
70
65
60
55
50
–40
0
0
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
AV
f
INDUCTOR = 10µH (XAL4040-103)
T
SW
A
–20
CC
= 25°C
= 410kHz
AV
AV
AV
20mA OUTPUT
AV
AV
AV
4
4
= 5V
CC
CC
CC
CC
CC
CC
= 4.5V
= 5V
= 5.5V
= 4.5V
= 5V
= 5.5V
0
SET
OUTPUT CURRENT (mA)
OUTPUT CURRENT (mA)
8
8
BOOST_x
TEMPERATURE (°C)
BOOST_x
20
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
f
INDUCTOR = 10µH (XAL4040-103)
T
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
f
INDUCTOR = 10µH (XAL4040-103)
T
vs. Output Current (See Figure 77)
SW
SW
A
A
vs. Temperature (See Figure 77)
= 25°C
12
= 25°C
12
= 410kHz
= 410kHz
40
SET
16
SET
60
16
80
20
20
100
24
24
Rev. B | Page 23 of 48
0.6
0.5
0.4
0.3
0.2
0.1
Figure 56. Output Efficiency vs. Temperature (See Figure 77)
80
70
60
50
40
30
20
0
–40
–40
0mA TO 24mA RANGE
1kΩ LOAD
EXTERNAL R
AV
f
INDUCTOR = 10µH (XAL4040-103)
Figure 57. Switch Resistance vs. Temperature
SW
–20
–20
CC
20mA OUTPUT
= 410kHz
= 5V
0
0
SET
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
80
AD5735
100
100