PM6685 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

PM6685

DUAL STEP-DOWN CONTROLLER WITH AUXILARY VOLTAGES FOR NOTEBOOK SYSTEM POWER

STMicroelectronics 

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Typical operating characteristics

5

Typical operating characteristics

PM6685

FSEL = GND (200/300kHz), SKIP = GND (skip mode), LDO3_SEL = VREF,

V5SW = OUT5, input voltage VIN = 12V, SHDN, EN3 and EN5 high,

no load unless specified.

Figure 3. 5V output efficiency vs

load current

Figure 4. 3.3V output efficiency vs

load current

Figure 5. PWM no load input battery vs Figure 6. Skip no load battery current

input voltage

vs input voltage

14/52

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