ADP3208C Ver la hoja de datos (PDF) - ON Semiconductor

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ADP3208C

7-Bit, Programmable, Dual-Phase, Mobile, CPU, Synchronous Buck Controller

ON Semiconductor 

ADP3208C

TEST CIRCUITS

7-BIT CODE

5.0 V

48

1.05 V

1

EN

PWRGD

NC

CLKEN#

FB

FBRTN

1 kW

COMP

NC

NC

VARFREQ

VRTT

TTSNS

ADP3208C

BST1

DRVH1

SW1

PVCC1

DRVL1

PGND1

PGND2

DRVL2

PVCC2

SW2

DRVH2

BST2

80 kW

20 kW

100 nF

Figure 2. Closed−Loop Output Voltage Accuracy

5.0 V

37 VCC

ADP3208C

39 k W

1 kW

CSCOMP

17

100 nF

CSSUM

19

-

CSREF

18

+

1.0 V

24 GND

CSCOMP - 1.0 V

Vos =

40 V

Figure 3. Current Sense Amplifier, VOS

5.0 V

10 kW

ΔV

1.0 V

37 VCC

COMP

7

FB

6

LLINE

16

18 CSREF

ADP3208C

-

+

VID DAC

24 GND

DVFB = FBDV = V − FBDV=0mV

Figure 4. Positioning Accuracy

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