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| ISL78235 Datasheet, PDF (13/20 Pages) Intersil Corporation – 5A Automotive Synchronous Buck Regulator | |||
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ISL78235
Typical Operating Performance Unless otherwise noted, operating conditions are: TA = +25°C, VIN = VDD = 5V,
VOUT = 1.8V, EN = VDD, SYNC = VDD, L = 0.68µH, fSW = 2MHz, CIN = 2 x 22µF, COUT = 2 x 22µF, IOUT = 0A to 5A. (Continued)
PHASE
VOUT INTO 3V SUPPLY
PHASE
VOUT FROM 3V SUPPLY
VOUT
PG
I_PHASE
VOUT
I_PHASE
PG
FIGURE 40. OVERVOLTAGE PROTECTION
V_TEMP
PG
VOUT
TEMP = (V_TEMP-1.1092)/4.1mV
+125°C TO +170°C TRANSIENT
LOAD = 4A
FIGURE 42. OVER-TEMPERATURE PROTECTION
FIGURE 41. OVERVOLTAGE RECOVERY
V_TEMP
TEMP = (V_TEMP-1.1092)/4.1mV
+125°C TO +170°C TRANSIENT
LOAD = 4A
PG
VOUT
FIGURE 43. OVER-TEMPERATURE RECOVERY
Submit Document Feedback 13
FN8713.2
July 1, 2015
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