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| ISL70003ASEH Datasheet, PDF (20/36 Pages) Intersil Corporation – Radiation and SEE Tolerant 3V to 13.2V, 9A Buck Regulator | |||
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ISL70003ASEH
Typical Performance Curves Unless otherwise noted, Test platform is the ISL70003ASEHEV1Z where VIN = 12V,
VOUT = 3.3V, IOUT = 3A, fSW = 500kHz, CIN = 4x 100µF + 5x1µF, LOUT = 3.3µH, COUT = 1x 150µF + 1µF, TCASE = +25°C, All outputs active. (Continued)
LXx VOLTAGE, 5V/DIV
INDUCTOR CURRENT, 1A/DIV
OUTPUT VOLTAGE, 20mV/DIV
FIGURE 36. STEADY STATE OPERATION NO LOAD, CCM
LXx VOLTAGE, 5V/DIV
INDUCTOR CURRENT, 2A/DIV
OUTPUT VOLTAGE, 20mV/DIV
FIGURE 37. STEADY STATE OPERATION 6A LOAD, CCM
INDUCTOR CURRENT, 2A/DIV
LXx VOLTAGE, 5V/DIV
INDUCTOR CURRENT, 0.5A/DIV
OUTPUT VOLTAGE, 20mV/DIV
FIGURE 38. DIODE EMULATION OPERATION, VOUT = 1.2V, 125mA LOAD
OUTPUT VOLTAGE, 200mV/DIV
FIGURE 39. 6A LOAD TRANSIENT RESPONSE, DIODE EMULATION
INDUCTOR CURRENT, 2A/DIV
INDUCTOR CURRENT, 2A/DIV
OUTPUT VOLTAGE, 50mV/DIV
FIGURE 40. 3A LOAD TRANSIENT RESPONSE
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OUTPUT VOLTAGE, 50mV/DIV
FIGURE 41. 6A LOAD TRANSIENT RESPONSE
FN8746.0
August 5, 2015
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