AD5755-1_11 AD [Analog Devices], AD5755-1_11 Datasheet - Page 23

• Manufacturer Part Number: AD5755-1_11
• Description: Quad Channel, 16-Bit,Serial Input, 4 mA to 20 mA and Voltage Output DAC,Dynamic Power Control
• Manufacturer: AD [Analog Devices]

DC-TO-DC BLOCK
Figure 55. Efficiency at V
Figure 56. Efficiency at V
Figure 57. Output Efficiency vs. Output Current (See Figure 80)
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)
SW
–20
CC
AV
AV
AV
AV
AV
AV
= 410kHz
4
20mA
4
= 5V
CC
CC
CC
CC
CC
CC
= 4.5V
= 5V
= 5.5V
= 4.5V
= 5V
= 5.5V
0
SET
8
8
BOOST_x
TEMPERATURE (°C)
BOOST_x
CURRENT (mA)
CURRENT (mA)
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
SW
vs. Output Current (See Figure 80)
SW
A
A
vs. Temperature (See Figure 80)
= 25°C
12
= 25°C
12
= 410kHz
= 410kHz
40
SET
SET
16
16
60
80
20
20
100
2
2
4
4
Rev. A | Page 23 of 48
0.6
0.5
0.4
0.3
0.2
0.1
Figure 58. Output Efficiency vs. Temperature (See Figure 80)
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 59. Switch Resistance vs. Temperature
SW
–20
–20
CC
= 410 kHz
20mA
= 5V
0
0
SET
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
40
40
60
60
80
AD5755-1
80
100
100