HA16341FP HITACHI [Hitachi Semiconductor], HA16341FP Datasheet - Page 17

• Manufacturer Part Number: HA16341FP
• Description: Redundant Secondary Switching Power Supply Controller
• Manufacturer: HITACHI [Hitachi Semiconductor]

Timing Chart 6 (Duty Control)
CT' + Vo OP1-2
(internal)
1/3×(EOUT−2V
(internal)
OUT
(PWM)
CT' =
The amplitude of CT' is 300mV typ at synchronous operation with trigger frequency as 200kHz and C
5.33
CT
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.24
0
0
300mV
0.3
BE
)
0.6
No output area
0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7
CT' + Vo OP1-2
1.54V
in case of 50% max duty
2.44V
Duty control area
VEOUT (V)
300mV
HA16341NT/FP, HA16342NT/FP
1/3×(EOUT−2V
Rev.1, Jan. 2001, page 17 of 21
Max duty area
1/3×(EOUT−2V
1.24V clamp
5.26V
BE
)
CT
BE
)
= 430pF.