![](/html/Renesas/825858/page6.png)
M62212P/FP/GP
CDTC
FB
1.25 V VCC
Comp1
−
+
1.86 V
(Initial RESET)
R
Q
I1
10 µ
DTC
SW1
RDTC
90 kΩ
(900 mV)
SW2
I3
60 µ
I2
35 µ
Comp2
+
−
1.15 V
S
0.3 V
Note: SW1 and SW2 are turned ON by "H" signal.
FB
2.0
DTC
1.15
1.0
0.45
DTC set up value
(Tentative)
OSC
0
I1 ON ON
ON
ON
ON
ON ON ON
ON
ON
ON
I2 ON OFF
OFF OFF
OFF
ON ON OFF
OFF
OFF
ON
I3 OFF ON
OFF ON
OFF
OFF OFF ON
OFF
ON
ON
Charge Discharge
45µ
50µ
Activate
[I ]
Charge
10µ
Discharge
50µ
Charge
10µ
Charge Charge Discharge
45µ
45µ
50µ
Charge
10µ
Output short
[ II ]
ON/OFF control Activate
[ III ]
Discharge
50µ
Discharge
15µ
Output short (Latch)
[ IV ]
Figure 3 Short Protection Circuit and the Timing Chart of the Modes
Rev.2.00 Jun 14, 2006 page 6 of 8