ADP1870ACPZ-0.3-R7 Analog Devices Inc, ADP1870ACPZ-0.3-R7 Datasheet - Page 7

• Manufacturer Part Number: ADP1870ACPZ-0.3-R7
• Description: 300kHz, Light Load Eff Enabled
• Manufacturer: Analog Devices Inc

Specifications of ADP1870ACPZ-0.3-R7

• Frequency - Max: 300kHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 84%
• Voltage - Supply: 2.95 V ~ 20 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 10-WFDFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1870ACPZ-0.3-R7; ADP1870ACPZ-0.3-R7TR

TYPICAL PERFORMANCE CHARACTERISTICS
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5
0
5
0
5
0
10
10
10
V
V
V
V
V
IN
IN
IN
IN
V
IN
IN
= 16.5V (PSM)
= 13V (PSM)
= 16.5V (PSM)
= 16.5V (PSM)
= 5V (PSM)
= 13V (PSM)
Figure 4. Efficiency—300 kHz, V
Figure 5. Efficiency—300 kHz, V
Figure 6. Efficiency—300 kHz, V
V
IN
= 13V (PSM)
100
100
100
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
IN
T
V
f
WÜRTH INDUCTOR:
744325072, L = 0.72µH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
T
V
f
WÜRTH INDUCTOR:
744325120, L = 1.2µH, DCR = 1.8mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
T
V
f
WÜRTH INDUCTOR:
7443551200, L = 2.0µH, DCR = 2.6mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
SW
SW
V
SW
A
A
A
OUT
OUT
OUT
= 16.5V
IN
= 25°C
= 25°C
= 25°C
= 300kHz
= 300kHz
= 300kHz
= 13V
V
= 0.8V
= 1.8V
= 7V
1k
1k
1k
IN
V
IN
V
= 13V
IN
= 13V
= 16.5V
V
IN
OUT
OUT
= 16.5V
OUT
= 0.8 V
= 1.8 V
10k
10k
10k
= 7 V
100k
100k
100k
Rev. A | Page 7 of 44
100
100
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
5
0
5
0
10
10
10
V
IN
V
V
IN
V
= 16.5V (PSM)
IN
IN
= 20V (PSM)
V
Figure 7. Efficiency—600 kHz, V
Figure 8. Efficiency—600 kHz, V
(PSM)
= 16.5V (PSM)
IN
Figure 9. Efficiency—600 kHz, V
= 16.5V
V
= 13V (PSM)
IN
V
= 13V (PSM)
IN
100
100
100
= 13V (PSM)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
V
T
V
f
WÜRTH INDUCTOR:
744355147, L = 0.47µH, DCR = 0.67mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
T
V
f
WÜRTH INDUCTOR:
744325072, L = 0.72µH, DCR = 1.3mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
T
V
f
WÜRTH INDUCTOR:
744318180, L = 1.4µH, DCR = 3.2mΩ
INFINEON FETs:
BSC042N03MS G (UPPER/LOWER)
SW
SW
SW
A
OUT
IN
A
OUT
A
OUT
V
= 25°C
= 25°C
= 25°C
= 13V
V
IN
= 600kHz
= 600kHz
= 600kHz
IN
= 0.8V
= 1.8V
= 5V
1k
1k
1k
= 13V
V
ADP1870/ADP1871
= 20V
IN
V
V
= 16.5V
IN
IN
= 16.5V
= 16.5V
OUT
OUT
OUT
= 0.8 V
= 1.8 V
10k
10k
10k
= 5 V
100k
100k
100k