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PM6686TR 데이터시트(PDF) 4 Page - STMicroelectronics

부품명 PM6686TR
상세설명  Dual step-down controller with adjustable voltages, adjustable LDO and auxiliary charge pump controller for notebook
PDF  50 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6686TR 데이터시트(HTML) 4 Page - STMicroelectronics

  PM6686TR Datasheet HTML 1Page - STMicroelectronics PM6686TR Datasheet HTML 2Page - STMicroelectronics PM6686TR Datasheet HTML 3Page - STMicroelectronics PM6686TR Datasheet HTML 4Page - STMicroelectronics PM6686TR Datasheet HTML 5Page - STMicroelectronics PM6686TR Datasheet HTML 6Page - STMicroelectronics PM6686TR Datasheet HTML 7Page - STMicroelectronics PM6686TR Datasheet HTML 8Page - STMicroelectronics PM6686TR Datasheet HTML 9Page - STMicroelectronics Next Button
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List of figures
PM6686
4/50
Doc ID 15281 Rev 4
List of figures
Figure 1.
Simplified application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Pin connection (through top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Efficiency vs load OUT1 = 5 V, TON = VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 4.
Efficiency vs load OUT2 = 3.3 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 5.
Efficiency vs load OUT1 = 1.5 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6.
Efficiency vs load OUT2 = 1.05 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 7.
Load regulationOUT1 = 5 V, TON = VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8.
Load regulationOUT2 = 3.3 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 9.
Load regulation OUT1 = 1.5 V, TON = VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 10.
Load regulation OUT2 = 1.05 V, TON = VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 11.
Switching frequency vs load OUT1 = 5 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 12.
Switching frequency vs load OUT2 = 3.3 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 13.
Section 1 line regulation OUT1 = 5 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 14.
Section 2 line regulation OUT2 = 3.3 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 15.
Section 1 line regulation OUT1 = 1,5 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 16.
Section 2 line regulation OUT2 = 1,05 V, TON = VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 17.
Stand-by mode input battery current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 18.
Shut-down mode input battery current vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 19.
PWM no load input currents vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 20.
SKIP no load input currents vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 21.
NA SKIP no load input currents vs input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 22.
VREF3 load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 23.
VREF2 load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 24.
LDO = 3,3 V load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 25.
LDO = 5 V load regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 26.
OUT1 soft-start no load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 27.
OUT2 soft-start no load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 28.
OUT1 soft-start 8 A constant current load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 29.
OUT2 soft-start loaded 8 A constant current load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 30.
OUT1 soft-end, no load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 31.
OUT2 soft-end, no load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 32.
OUT1 soft-start, EN2 = VREF2 no loads applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 33.
OUT2 soft-start, EN1=VREF2 no loads applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 34.
soft-end, EN2 = VREF2 no loads applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 35.
soft-end, EN1=VREF2 no loads applied . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 36.
Load transient 0-5 A 2 A/µs OUT1 = 5 V PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 37.
Load transient 0-5 A 2 A/µs OUT1 = 5 V SKIP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 38.
Load transient 0-5 A 2 A/ µs OUT1 = 1,5 V PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 39.
Load transient 0-5 A 2 A/ µs OUT1 = 1,5 V SKIP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 40.
Load transient 0-5 A 2 A/µs OUT2 = 3.3 V PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 41.
Load transient 0-5 A 2 A/µs OUT2 = 3.3 V SKIP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 42.
Load transient 0-5 A 2 A/ µs OUT2 = 1,05 V PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 43.
Load transient 0-5 A 2 A/ µs OUT2 = 1,05 V SKIP mode . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 44.
Functional block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 45.
Resistor divider to configure the output voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 46.
Constant on time block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 47.
Inductor current and output voltage in PWM mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 48.
Inductor current and output voltage in SKIP mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29



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