ISL6236A 데이터 시트보기 (PDF) - Intersil

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ISL6236A

High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers

Intersil 

ISL6236A

Typical Performance Curves

Circuit of Figure 66, Figure 67, and Figure 69, no load on LDO, OUT1, OUT2, VREF3, and REF,

VIN = 12V, EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN_LDO = 5V, TA = -40°C to +100°C,

unless otherwise noted. Typical values are at TA = +25°C. (Continued)

EN2 5V/DIV

VOUT2 0.5V/DIV

IL2 2A/DIV

EN2 5V/DIV

VOUT2 0.5V/DIV

IL2 2A/DIV

POK2 2V/DIV

FIGURE 57. START-UP VOUT1 = 1.05V (NO LOAD,

PWM MODE)

POK2 2V/DIV

FIGURE 58. START-UP VOUT1 = 1.05V (FULL LOAD,

PWM MODE)

EN2 5V/DIV

VOUT2 0.5V/DIV

VOUT1 2V/DIV

POK2 5V/DIV

POK1 5V/DIV

FIGURE 59. DELAYED START-UP (VOUT1 = 1.5V,

VOUT2 = 1.05V, EN1 = REF)

EN1 5V/DIV

VOUT2 2V/DIV

VOUT1 2V/DIV

POK1 OR POK2 5V/DIV

FIGURE 61. SHUTDOWN (VOUT1 = 1.5V, VOUT2 = 1.05V,

EN2 = REF)

18

VOUT1 2V/DIV

EN1 500mV/DIV

VOUT2 500mV/DIV

POK1 5V/DIV

POK2 5V/DIV

FIGURE 60. DELAYED START-UP (VOUT1 = 1.5V,

VOUT2 = 1.05V, EN2 = REF)

LGATE1 5V/DIV

VOUT1 RIPPLE 50mV/DIV

IL1 5A/DIV

VOUT2 RIPPLE 20mV/DIV

FIGURE 62. LOAD TRANSIENT VOUT1 = 1.5V (PWM)

FN6453.0

March 14, 2007

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