ADP1876ACPZ-R7 Analog Devices, Inc., ADP1876ACPZ-R7 Datasheet - Page 11

• Manufacturer Part Number: ADP1876ACPZ-R7
• Description: 600 Khz Dual Output Synchronous Buck Pwm Controller With Linear Regulator
• Manufacturer: Analog Devices, Inc.

Data Sheet
–0.2
–0.4
–0.6
–0.8
1
3
2
4
1
2
4
0.6
0.4
0.2
0
CH1 10V
CH3
CH1
CH3
2.5
SW
EN
1V
10.0V
2.00V
Figure 11. Thermal Shutdown Waveform
5.0
B
B
Figure 10. Enable Startup Function
CH2 2V
CH4
W
W
SW1
Figure 12. Change in f
CH2
CH4
V
1V
7.5
OUT
SS (CH4)
2.00V
1.00V
VCCO
(CH3)
10.0
VOUT1 (PRELOADED)
B
B
W
W
V
M10ms
IN
VOUTLDO
M10.0ms
REFERENCE AT V
(V)
12.5
SW
vs. V
600kHz
15.0
A CH4
IN
C
A CH2
SS
= 100nF
IN
17.5
= 2.75V
800mV
1.52V
20.0
Rev. A | Page 11 of 24
Figure 15. DHx Minimum On Time and Off Time Over Temperature
–0.5
–1.0
–1.5
–2.0
–2.5
350
300
250
200
150
100
2.0
1.5
1.0
0.5
50
–1
–2
–3
–4
4
3
2
1
0
0
–40
2.5
–40
Figure 14. Typical DHx Minimum On Time and Off Time
–15
–15
5.0
Figure 13. f
7.5
10
DHx MINIMUM OFF TIME
10
TEMPERATURE (°C)
TEMPERATURE (°C)
DHx MINIMUM OFF TIME
DHx MINIMUM ON TIME
10.0
35
35
SW
V
V
vs. Temperature
IN
IN
(V)
= 12V; REFERENCED AT 25°C
12.5
DHx MINIMUM ON TIME
60
60
15.0
85
85
17.5
110
110
ADP1876
20.0
135
135