ISL78210 Datasheet, PDF (15/17 Pages) Intersil Corporation – Automotive PWM DC/DC Voltage Controller

ISL78210
Typical Performance (Continued)
EN
EN
SREF
VOUT
PGOOD
PGOOD
20us
SREF
VOUT
FIGURE 17. START-UP INTO 750mV PRE-BIASED
OUTPUT, V_IN = 12.6V, V_OUT = 1.05V, LOAD = 10A
EN
PGOOD
SREF
VOUT
10s
FIGURE 19. SHUT-DOWN, V_IN = 12.6V,
V_OUT = 1.05V, LOAD = OPEN-CIRCUIT
FIGURE 18. SHUT-DOWN, V_IN = 12.6V,
V_OUT = 1.05V, LOAD = 50mΩ
VOUT
PHASE
UGATE
LGATE
FIGURE 20. CCM STEADY-STATE OPERATION,
V_IN = 12.6V, V_OUT = 1.0V, I_OUT = 10A
VOUT
PHASE
UGATE
LGATE
FIGURE 21. DCM STEADY-STATE OPERATION,
V_IN = 12.6V, V_OUT = 1.0V, I_OUT = 3A
15
5ADC
+10A/µA
15ADC
IOUT
-10A/µA
VOUT
5ADC
PHASE
FIGURE 22. CCM LOAD TRANSIENT RESPONSE
V_IN = 12.6V, V_OUT = 1.0V
FN7583.0
March 8, 2010