MAX1907A 查看數據表（PDF） - Maxim Integrated

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MAX1907A

Quick-PWM Master Controllers for Voltage Positioned CPU Core Power Supplies (IMVP-IV)

Maxim Integrated 

Quick-PWM Master Controllers for Voltage-

Positioned CPU Core Power Supplies (IMVP-IV)

Typical Operating Characteristics (continued)

(Circuit of Figure 1, V+ = 12V, VCC = VDD = 5V, B0–B2 set to 1.276V, S0–S2 set to 0.748V.)

SOFT SHUTDOWN

MAX1907A/81A toc25

ENTERING DEEP-SLEEP MODE

MAX1907A/81A toc26

EXITING DEEP-SLEEP MODE

MAX1907A/81A toc27

A

A

A

0

0

0

1.436V

B 1.436V

B 1.398V

B

0

1.398V

0

C

C

C

0

0

D

D

0

D

0

0

40μs/div

A. VSHDN = 0 to 5V, 5V/div

B. VOUT = 0.844V to 0, 1V/div

C. ILM, 10A/div

D. ILS,10A/div

80mΩ LOAD

20μs/div

A. VDPSLP = 0 to 5V, 5V/div

B. VOUT = 1.436V to 1.398V, 50mV/div

C. MAX1907A/MAX1981A LX, 10V/div

D. MAX1980 LX, 10V/div

SUS = GND, IOUT = 1.0A

20μs/div

A. VDPSLP = 0 to 5V, 5V/div

B. VOUT = 1.398V to 1.436V, 50mV/div

C. MAX1907A/MAX1981A LX, 10V/div

D. MAX1980 LX, 10V/div

SUS = GND, IOUT = 1.0A

0

1.398V

0.748V

0

0

ENTERING SUSPEND MODE

MAX1907A/81A toc28

A

0

1.398V

B

0.748V

C

D

0

0

20μs/div

A. VSUS = 0 to 5V, 5V/div

B. VOUT = 1.398V to 0.748V, 500mV/div

C. MAX1907A/MAX1981A LX, 10V/div

D. MAX1980 LX, 10V/div

DPSLP = GND, IOUT = 0.5A

EXITING SUSPEND MODE

MAX1907A/81A toc29

A

B

10A

0

0.844V

C

0

D

0

20μs/div

A. VSUS = 0 to 5V, 5V/div

B. VOUT = 0.748V to 1.398V, 500mV/div

C. MAX1907A/MAX1981A LX, 10V/div

D. MAX1980 LX, 10V/div

DPSLP = GND, IOUT = 0.5A

LOAD TRANSIENT

(LOWEST FREQUENCY)

MAX1907A/81A toc30

A

B

C

D

20μs/div

A. IOUT = 0 to 10A, 10A/div

B. VOUT = 0.844V (NO LOAD), 50mV/div

C. ILM, 10A/div

D. ILS, 10A/div

12 ______________________________________________________________________________________

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