PM6680 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

PM6680

No Rsense dual step-down controller with adjustable voltages for notebook system power

STMicroelectronics 

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PM6680

Typical operating characteristics

5

Typical operating characteristics

FSEL = GND (200/300 kHz), SKIP = GND (skip mode), V5SW = V5SW = EXT5V

(external 5 V power supply connected), input voltage VIN = 12 V, SHDN, EN1 and EN2 high,

OUT1 = 1.5 V, OUT2 = 1.05 V, no load unless specified)

Figure 3. 1.5 V output efficiency vs

load current

Figure 4. 1.05 V output efficiency vs

load current

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

input voltage

15/49

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