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PM6686TR Datasheet(PDF) 15 Page - STMicroelectronics

Part # PM6686TR
Description  Dual step-down controller with adjustable voltages, adjustable LDO and auxiliary charge pump controller for notebook
PDF  50 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6686TR Datasheet(HTML) 15 Page - STMicroelectronics

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PM6686
Typical operating characteristics
Doc ID 15281 Rev 4
15/50
6
Typical operating characteristics
(TON = VCC (200 / 300 kHz), SKIP = GND (skip mode), LDOREFIN = SGND (LDO = 5 V),
LDO_SW = OUT1, PVCC connected to LDO, VIN = 12 V, EN1-EN2-EN_LDO are high, no
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.
Efficiency vs load
OUT1 = 5 V, TON = VCC
Figure 4.
Efficiency vs load
OUT2 = 3.3 V, TON = VCC
Figure 5.
Efficiency vs load
OUT1 = 1.5 V, TON = VCC
Figure 6.
Efficiency vs load
OUT2 = 1.05 V, TON = VCC
A-PWM
B-SKIP
A-NASKIP
A-PWM
B-SKIP
A-NASKIP



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