ADP1873ARMZ-0.3-R7 Analog Devices Inc, ADP1873ARMZ-0.3-R7 Datasheet - Page 10

• Manufacturer Part Number: ADP1873ARMZ-0.3-R7
• Description: 300kHz, Light Load Eff Enabled
• Manufacturer: Analog Devices Inc

Specifications of ADP1873ARMZ-0.3-R7

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 300kHz
• Duty Cycle: 84%
• Voltage - Supply: 2.75 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-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Frequency-max: 300kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1873ARMZ-0.3-R7TR

ADP1872/ADP1873
1000
335
325
315
305
295
285
275
265
255
245
235
225
650
600
550
500
450
400
950
900
850
800
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650
600
550
10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4 12.6 12.8 13.0 13.2
10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4 12.6 12.8 13.0 13.2
10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4 12.6 12.8 13.0 13.2
Figure 22. Switching Frequency vs. High Input Voltage,
Figure 23. Switching Frequency vs. High Input Voltage,
Figure 24. Switching Frequency vs. High Input Voltage,
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
600 kHz, V
= 5.5V
= 3.6V
= 5.5V
= 3.6V
= 5.5V
= 3.6V
300 kHz, ±10% of 12 V
1.0 MHz, ±10% of 12 V
OUT
= 1.8 V, ±10% of 12 V
V
V
V
+125°C
+25°C
–40°C
IN
IN
IN
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
(V)
(V)
(V)
NO LOAD
NO LOAD
NO LOAD
Rev. A | Page 10 of 40
340
325
310
295
280
265
250
235
220
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190
360
350
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330
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310
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290
280
270
260
358
354
350
346
342
338
334
330
326
322
318
314
310
306
302
298
294
290
Figure 25. Frequency vs. Load Current, 300 kHz, V
Figure 26. Frequency vs. Load Current, 300 kHz, V
Figure 27. Frequency vs. Load Current, 300 kHz, V
0
0
0
2000
800
2000
V
V
V
V
V
V
1600
IN
IN
IN
IN
IN
IN
4000
V
V
IN
IN
= 5.5V
= 13V
= 16.5V
= 5.5V
= 13V
= 16.5V
4000
= 13V
= 16.5V
2400
6000
3200
LOAD CURRENT (mA)
LOAD CURRENT (mA)
6000
LOAD CURRENT (mA)
8000
4000
8000
10,000
+125°C
+25°C
–40°C
4800
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
5600
12,000
10,000
6400 7200 8000 8800
14,000
12,000
16,000 18,000
14,000
OUT
OUT
OUT
= 0.8 V
= 1.8 V
= 7 V
16,000
9600
20,000