ADP1883-1.0-EVALZ Analog Devices Inc, ADP1883-1.0-EVALZ Datasheet - Page 13

• Manufacturer Part Number: ADP1883-1.0-EVALZ
• Description: 1 MHz Synchronous Current-Mode Buck Controller Eval. Board
• Manufacturer: Analog Devices Inc

Specifications of ADP1883-1.0-EVALZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: PWM Buck Controller
• Kit Application Type: Power Management - Voltage Regulator
• Silicon Core Number: ADP1883
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 41. Internal Boost Rectifier Drop vs. V
1280
1200
1120
1040
800
720
640
560
480
400
320
240
160
960
880
800
720
640
560
480
400
320
240
160
720
640
560
480
400
320
240
160
80
80
80
300
2.7
2.7
Figure 40. Internal Rectifier Drop vs. Frequency
Figure 42. Internal Boost Rectifier Drop vs. V
400
3.1
3.1
V
V
V
V
V
V
REG
REG
REG
300kHz
1MHz
IN
IN
IN
= 5.5V
= 13V
= 16.5V
= 2.7V
= 3.6V
= 5.5V
500
3.5
3.5
over V
FREQUENCY (kHz)
600
3.9
3.9
VREG (V)
IN
VREG (V)
Variation
1MHz
300kHz
+125°C
+25°C
–40°C
+125°C
+25°C
–40°C
700
4.3
4.3
DD
800
4.7
4.7
(Low Input Voltage)
900
T
5.1
5.1
DD
A
= 25°C
1000
5.5
5.5
Rev. 0 | Page 13 of 40
Figure 43. Lower-Side MOSFET Body Conduction Time vs. V
Figure 44. Power Saving Mode (PSM) Operational Waveform, 100 mA
1
2
3
4
1
2
3
4
80
72
64
56
48
40
32
24
16
8
CH1 50mV
CH3 10V
CH1 50mV
CH3 10V
2.7
Figure 45. PSM Waveform at Light Load, 500 mA
3.1
B
B
W
W
B
B
W
W
3.5
CH2 5A Ω
CH4 5V
CH2 5A Ω
CH4 5V
3.9
VREG (V)
M400ns
M4.0µs
T
T
ADP1882/ADP1883
35.8%
35.8%
4.3
300kHz
1MHz
OUTPUT VOLTAGE
INDUCTOR CURRENT
SW NODE
LOW SIDE
OUTPUT VOLTAGE
INDUCTOR CURRENT
SW NODE
LOW SIDE
4.7
A CH2
A CH2
DD
(Low Input Voltage)
5.1
+125°C
+25°C
–40°C
3.90A
3.90A
5.5