ISL6236 datasheet(10/35 Pages) INTERSIL

Part #	ISL6236

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

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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10 / 35 page

10

FN6373.2

February 1, 2007

FIGURE 9. VOUT2 = 1.05V POWER DISSIPATION vs LOAD

(300kHz)

FIGURE 10. VOUT1 = 1.5V POWER DISSIPATION vs LOAD

(200kHz)

FIGURE 11. VOUT2 = 3.3V POWER DISSIPATION vs LOAD

(500kHz)

FIGURE 12. VOUT1 = 5V POWER DISSIPATION vs LOAD

(400kHz)

FIGURE 13. VOUT2 = 1.05V OUTPUT VOLTAGE REGULATION

vs VIN (PWM MODE)

FIGURE 14. VOUT2 = 1.05V OUTPUT VOLTAGE REGULATION

vs VIN (SKIP MODE)

Typical Performance Curves

Circuit of Figure 66, Figure 67, and Figure 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)

0.0

0.5

1.0

1.5

2.0

2.5

0.001

0.010

0.100

1.000

10.000

OUTPUT LOAD (A)

7 VIN SKIP MODE

7 VIN PWM MODE

7 VIN ULTRA SKIP MODE

12 VIN SKIP MODE

12 VIN PWM MODE

25 VIN SKIP MODE

25 VIN PWM MODE

25 VIN ULTRA SKIP MODE

12 VIN ULTRA SKIP MODE

0.0

0.5

1.0

1.5

2.0

2.5

0.001

0.010

0.100

1.000

10.000

OUTPUT LOAD (A)

7 VIN SKIP MODE

7 VIN PWM MODE

7 VIN ULTRA SKIP MODE

12 VIN SKIP MODE

12 VIN PWM MODE

25 VIN SKIP MODE

25 VIN PWM MODE

25 VIN ULTRA SKIP MODE

12 VIN ULTRA SKIP MODE

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0.001

0.010

0.100

1.000

10.000

OUTPUT LOAD (A)

7 VIN SKIP MODE

7 VIN PWM MODE

7 VIN ULTRA SKIP MODE

12 VIN SKIP MODE

12 VIN PWM MODE

25 VIN SKIP MODE

25 VIN PWM MODE

25 VIN ULTRA SKIP MODE

12 VIN ULTRA SKIP MODE

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0.001

0.010

0.100

1.000

10.000

OUTPUT LOAD (A)

7 VIN SKIP MODE

7 VIN PWM MODE

7 VIN ULTRA SKIP MODE

12 VIN SKIP MODE

12 VIN PWM MODE

25 VIN SKIP MODE

25 VIN PWM MODE

25 VIN ULTRA SKIP MODE

12 VIN ULTRA SKIP MODE

1.048

1.050

1.052

1.054

1.056

1.058

1.060

1.062

1.064

5

7

9

11

1315

17

1921

23

25

INPUT VOLTAGE (V)

MID LOAD PWM

MAX LOAD PWM

NO LOAD PWM

1.048

1.050

1.052

1.054

1.056

1.058

1.060

1.062

1.064

1.066

1.068

5

7

9

11

131517

1921

23

25

INPUT VOLTAGE (V)

NO LOAD PWM

MID LOAD PWM

MAX LOAD PWM

ISL6236

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