PM6686 STMicroelectronics, PM6686 Datasheet - Page 15

• Manufacturer Part Number: PM6686
• Description: Dual Step-down Controller With Adjustable Voltages, Adjustable Ldo And Auxiliary Charge Pump Controller For Notebook
• Manufacturer: STMicroelectronics

PM6686
6
Typical operating characteristics
(T
LDO_SW = OUT1, PVCC connected to LDO, V
load unless specified). Measures performed on the demonstration kit (PM6686_SYSTEM
and PM6686_CHIPSET)
Efficiency traces: Green: VIN = 7 V, red: VIN = 12 V, blue: VIN = 19 V.
Figure 3.
Figure 5.
ON
= VCC (200 / 300 kHz), SKIP = GND (skip mode), LDOREFIN = SGND (LDO = 5 V),
Efficiency vs load
OUT1 = 5 V, T
Efficiency vs load
OUT1 = 1.5 V, T
ON
ON
Doc ID 15281 Rev 4
= VCC
= VCC
A-PWM
B-SKIP
A-NASKIP
Figure 4.
Figure 6.
IN
= 12 V, EN1-EN2-EN_LDO are high, no
Typical operating characteristics
Efficiency vs load
OUT2 = 3.3 V, T
Efficiency vs load
OUT2 = 1.05 V, T
ON
ON
= VCC
= VCC
A-PWM
B-SKIP
A-NASKIP
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