ISL6236AIRZ-T View Datasheet(PDF) - Intersil

Part Name

Description

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ISL6236AIRZ-T

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)

1.518

1.516

1.514 NO LOAD PWM

1.512

1.510

MID LOAD PWM

1.508

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)

3.380

3.370

3.360

3.350

3.340

MAX LOAD PWM

NO LOAD PWM

3.330

3.320

3.310

MID LOAD PWM

3.300

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

5.140

5.120

5.100

5.080

5.060

MID LOAD PWM

NO LOAD PWM

5.040

5.020

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)

FN6453.0

March 14, 2007

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