ADP3160 Analog Devices, ADP3160 Datasheet - Page 5

• Manufacturer Part Number: ADP3160
• Description: 5-Bit Programmable 2-Phase Synchronous Buck Controller
• Manufacturer: Analog Devices

REV. B
100nF
5-BIT CODE
100
Figure 2. Oscillator Frequency vs. Timing Capacitor
10000
Figure 1. Closed-Loop Output Voltage Accuracy
Test Circuit
1000
100
0
AD820
ADP3160/ADP3167
1
2
3
4
5
6
7
8
100
VID4
VID3
VID2
VID1
VID0
COMP
FB
CT
CT CAPACITOR – pF
PWRGD
PWM1
PWM2
200
GND
VCC
REF
CS–
CS+
1.2V
16
15
14
13
12
11
10
9
300
20k
400
+
1 F
V
FB
100nF
500
12V
–5–
Figure 3. Supply Current vs. Oscillator Frequency
4.10
4.05
4.00
3.95
3.90
3.85
16
12
8
4
0
–1
0
Figure 4. Output Accuracy Distribution
250
OUTPUT ACCURACY – % of Nominal
500
OSCILLATOR FREQUENCY – kHz
750
ADP3160/ADP3167
1000
0
1250
1500
T
V
A
OUT
= 25 C
1750
= 1.6V
2000
1