RT8205L RICHTEK [Richtek Technology Corporation], RT8205L Datasheet - Page 15

• Manufacturer Part Number: RT8205L
• Description: High Efficiency, Main Power Supply Controller for Notebook Computer
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS8205L/M-05 June 2011
(20V/Div)
(10V/Div)
(10V/Div)
ENTRIP1
ENTRIP2
ENTRIP2
UGATE
(2V/Div)
(2V/Div)
(2V/Div)
LGATE
PGOOD
(5V/Div)
(5V/Div)
(2V/Div)
LGATE2
(5V/Div)
(2V/Div)
(1V/Div)
V
V
V
V
CP
OUT1
OUT2
OUT1
OUT2
V
EN = FLOATING, No Load on VOUT1, VOUT2,
VREG5, VREG3 and REF
V
V
No Load
IN
Power Off from ENTRIP2
ENTRIP1
IN
= 12V, TONSEL = GND, SKIPSEL = GND,
= 12V, TONSEL = GND, SKIPSEL = REF,
VOUT2 Delay-Start
= V
Time (2ms/Div)
Time (2ms/Div)
Time (4ms/Div)
CP Start Up
V
EN = FLOATING, SKIPSEL = GND,
No Load
ENTRIP2
IN
= 12V, TONSEL = GND,
= 1.5V, EN = FLOATING,
(50mV/Div)
V
ENTRIP1
ENTRIP2
ENTRIP1
(20V/Div)
(2V/Div)
(2V/Div)
UGATE1
(2V/Div)
VOUT1 PWM-Mode Load Transient Response
Inductor
PGOOD
(5A/Div)
OUT1_ac
Current
(5V/Div)
(2V/Div)
(1V/Div)
(2V/Div)
LGATE1
(5V/Div)
LGATE1
(5V/Div)
V
V
V
OUT1
OUT2
OUT1
Power Off from ENTRIP1
V
IN
= 12V, TONSEL = GND, SKIPSEL = GND
VOUT1 Delay-Start
Time (20μs/Div)
Time (2ms/Div)
Time (4ms/Div)
V
EN = FLOATING, SKIPSEL = GND,
No Load
EN = FLOATING, I
IN
= 12V, TONSEL = GND,
RT8205L/M
No Load on VOUT1, VOUT2,
VREG5, VREG3 and REF
V
SKIPSEL = GND,
EN = FLOATING
IN
= 12V, TONSEL = GND,
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OUT1
= 0A to 6A
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