ISL6236AIRZ datasheet(9/37 Pages) INTERSIL

Part #	ISL6236AIRZ

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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9 / 37 page

9

FN6453.0

March 14, 2007

FIGURE 3. VOUT2 = 3.3V EFFICIENCY vs LOAD (500kHz)

FIGURE 4. VOUT1 = 5V EFFICIENCY vs LOAD (400kHz)

FIGURE 5. VOUT2 = 1.05V REGULATION vs LOAD (300kHz)

FIGURE 6. VOUT1 = 1.5V REGULATION vs LOAD (200kHz)

FIGURE 7. VOUT2 = 3.3V REGULATION vs LOAD (500kHz)

FIGURE 8. VOUT1 = 5V REGULATION vs LOAD (400kHz)

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)

0

10

20

30

40

50

60

70

80

90

100

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

10

20

30

40

50

60

70

80

90

100

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

1.050

1.052

1.054

1.056

1.058

1.060

1.062

1.064

1.066

1.068

1.070

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

1.500

1.505

1.510

1.520

1.525

1.530

1.535

1.540

0.001

0.010

0.100

1.000

OUTPUT LOAD (A)

10.000

1.515

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

3.310

3.320

3.330

3.340

3.350

3.360

3.370

3.380

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

5.000

5.020

5.040

5.060

5.080

5.100

5.120

5.140

5.160

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

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