ha17384hps Renesas Electronics Corporation., ha17384hps Datasheet - Page 8

• Manufacturer Part Number: ha17384hps
• Description: High Speed Current Mode Pwm Control Ic For Switching Power Supply
• Manufacturer: Renesas Electronics Corporation.

Electrical Characteristics (cont.)
• Current Sensing Part
Voltage gain
Maximum sensing voltage
Power supply voltage
rejection ratio
Input bias current
Current sensing
response time
Notes: 1. The gain this case is the ratio of error amplifier output change to the current-sensing threshold voltage
• PWM Output Part
Output low voltage 1
Output low voltage 2
Output high voltage 1
Output high voltage 2
Output low voltage at
standby mode
Rise time
Fall time
Maximum ON duty
Minimum ON duty
Note:
Rev.3.00 Jun 15, 2005 page 8 of 28
2. Reference value for design.
3.
1. Pulse application test
Item
Item
change.
Current sensing response time tpd is definded a shown in the figure 1.
Figure 1 Definition of Current Sensing Response Time tpd
A
Vth
PSRR
I
tpd
V
V
V
V
V
t
t
Du max
Du min
BCS
r
f
Symbol
Symbol
VCS
OL1
OL2
OH1
OH2
OL STB
CS
(The condition is: Ta = 25°C, V
(PWM)
2.85
13.0
12.0
Min
Min
0.9
V
50
94
–
–
–
–
–
–
–
–
V
OUT
CS
3.00
13.5
13.3
Typ
Typ
100
1.0
0.7
1.5
0.8
70
–2
80
70
96
–
Max
3.15
Max
–10
150
150
130
100
tpd
1.1
1.5
2.2
1.1
–
–
–
0
IN
= 15 V, C
Unit
Unit
V/V
dB
µA
ns
ns
ns
%
%
V
Vth
V
V
V
V
V
T
V
12 V ≤ V
V
Time from when V
2 V to when output becomes
“L” (2 V)
losink = 20 mA
losink = 200 mA
losource = –20 mA
losource = –200 mA
V
losink = 1 mA
C
C
= 3300 pF, R
FB
CS
IN
L
L
= 1000 pF
= 1000 pF
= 5 V,
= 0 V
= 2 V
Test Condition
Test Condition
IN
≤ 25 V
T
= 10 kΩ without notice)
CS
becomes
1
2
3
1
1
Note
Note