ADP1755ACPZ-R7 Analog Devices Inc, ADP1755ACPZ-R7 Datasheet - Page 17

• Manufacturer Part Number: ADP1755ACPZ-R7
• Description: IC ADJ LDO REG 0.75V TO 3V 1.2A LFCSP-16
• Manufacturer: Analog Devices Inc

Specifications of ADP1755ACPZ-R7

• Primary Input Voltage: 3.6V
• Output Voltage Adjustable Range: 0.75V To 3V
• Dropout Voltage Vdo: 200mV
• No. Of Pins: 16
• Output Current: 1.2A
• Operating Temperature Range: -40°C To +125°C
• Package / Case: 16-LFCSP
• Mounting Type: Surface Mount
• Current - Output: 1.2A (Max)
• Voltage - Output: 0.75 ~ 3 V
• Voltage - Input: 1.6 ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Regulator Topology: Positive Adjustable
• Voltage - Dropout (typical): 0.105V @ 1.2A
• Number Of Regulators: 1
• Current - Limit (min): 1.5A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

In cases where the board temperature is known, the thermal
characterization parameter, Ψ
junction temperature rise. Maximum junction temperature (T
is calculated from the board temperature (T
dissipation (P
Figure 42 through Figure 45 show junction temperature calcula-
tions for different board temperatures, load currents, V
V
OUT
T
differentials, and areas of PCB copper.
140
120
100
140
120
100
J
80
60
40
20
80
60
40
20
= T
0
0.25
0
0.25
Figure 42. 500 mm
Figure 43. 500 mm
B
+ (P
D
) using the following formula:
D
0.75
0.75
× Ψ
JB
MAX JUNCTION
TEMPERATURE
MAX JUNCTION
TEMPERATURE
)
LOAD = 1.2A
2
2
1.25
1.25
of PCB Copper, T
of PCB Copper, T
V
V
IN
IN
LOAD = 100mA
JB
– V
– V
, can be used to estimate the
LOAD = 100mA
OUT
OUT
LOAD = 1.2A
(V)
(V)
1.75
1.75
LOAD = 800mA
B
B
LOAD = 400mA
= 25°C, LFCSP
= 50°C, LFCSP
LOAD = 800mA
LOAD = 200mA
B
LOAD = 400mA
LOAD = 200mA
) and power
LOAD = 10mA
LOAD = 10mA
2.25
2.25
2.75
2.75
IN
to
Rev. B | Page 17 of 20
(7)
J
)
140
120
100
140
120
100
80
60
40
20
80
60
40
20
0
0.25
0
0.25
Figure 44. 1000 mm
Figure 45. 1000 mm
0.75
0.75
MAX JUNCTION
TEMPERATURE
MAX JUNCTION
TEMPERATURE
1.25
1.25
2
2
V
of PCB Copper, T
V
of PCB Copper, T
IN
IN
– V
– V
LOAD = 100mA
LOAD = 100mA
LOAD = 1.2A
OUT
OUT
ADP1754/ADP1755
LOAD = 1.2A
(V)
(V)
1.75
1.75
LOAD = 400mA
B
B
= 25°C, LFCSP
= 50°C, LFCSP
LOAD = 800mA
LOAD = 200mA
LOAD = 400mA
LOAD = 200mA
LOAD = 800mA
LOAD = 10mA
LOAD = 10mA
2.25
2.25
2.75
2.75