ISL6227 Datasheet, PDF (8/27 Pages) Intersil Corporation – Dual Mobile-Friendly PWM Controller with DDR Option

ISL6227
Typical Operation Performance (Continued)
VO_V1_o1
PPGG11
ILIlOo1
VVOo22
FIGURE 19. OVERCURRENT PROTECTION AT CHANNEL 1
V_VO_o1₁
PPGG1
ILIlOo1
V^VO^o2²
FIGURE 20. SHORT-CIRCUIT PROTECTION AT CHANNEL 1
V_VO_o1₁
VVPpHhAaSseE11
IL_IlO_o1₁
VVOo22
FIGURE 21. MODE TRANSITION OF HYS→ _PWM
V^VOo1¹
VVPpHhaAsSe2E2
IILloO22
V^VO^o2
FIGURE 22. MODE TRANSITION OF PWM→ HYS
ENN11
PPGG11
S_SO_OF_FT_T1₁
VVOo1
FIGURE 23. NORMAL SHUTDOWN, I_OUT = 1.5A
8
VT^VT^TT
O^OC^CS^SE^ET^T
V_VD_DD_DQ_Q
VC_VCC_C
FIGURE 24. V_CC POWER-UP IN DDR MODE
FN9094.7
May 4, 2009