ISL6236 Ver la hoja de datos (PDF) - Intersil

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ISL6236

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

Intersil 

ISL6236

Typical Performance Curves

Circuit of Figures 66, 67 and 68, 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)

1.518

1.516

1.514 NO LOAD PWM

1.512

1.510

1.508

MID LOAD PWM

MAX LOAD PWM

1.506

1.504

5 7 9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 15. VOUT1 = 1.5V OUTPUT VOLTAGE REGULATION

vs VIN (PWM MODE)

1.530

1.525

1.520

1.515

NO LOAD PWM

MID LOAD PWM

1.510

1.505

MAX LOAD PWM

1.500

5 7 9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 16. VOUT1 = 1.5V OUTPUT VOLTAGE REGULATION

vs VIN (SKIP MODE)

3.340

3.335

3.330

NO LOAD PWM

3.325

3.320

3.315

MID LOAD PWM

MAX LOAD PWM

3.310

7 9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 17. VOUT2 = 3.3V OUTPUT VOLTAGE REGULATION

vs VIN (PWM MODE)

3.38

3.37

3.36

NO LOAD PWM

3.35

3.34

MAX LOAD PWM

3.33

3.32

3.31

MID LOAD PWM

3.30

7 9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 18. VOUT2 = 3.3V OUTPUT VOLTAGE REGULATION

vs VIN (SKIP MODE)

5.065

5.060

5.055

5.050

NO LOAD PWM

MAX LOAD PWM

MID LOAD PWM

5.045

5.040

7 9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 19. VOUT1 = 5V OUTPUT VOLTAGE REGULATION vs

VIN (PWM MODE)

11

5.14

5.12

5.10

5.08

MID LOAD PWM

5.06

NO LOAD PWM

5.04

5.02

7

MAX LOAD PWM

9 11 13 15 17 19 21 23 25

INPUT VOLTAGE (V)

FIGURE 20. VOUT1 = 5V OUTPUT VOLTAGE REGULATION vs

VIN (SKIP MODE)

FN6373.6

April 29, 2010

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