SRP Hitachi Semiconductor, SRP Datasheet - Page 8

• Manufacturer Part Number: SRP
• Description: High Speed Current Mode PWM Control IC for Switching Power Supply
• Manufacturer: Hitachi Semiconductor

HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
Electrical Characteristics (cont)
Error Amplifire Part / OVP Part
Item
Non-inverting input voltage
Input bias current
Open loop voltage gain
Unity gain bank width
Power supply voltage
rejection ratio
Output sink current
Output source current
High level output voltage
Low level output voltage
OVP latch threshold
voltage
OVP (FB) terminal input
current
OVP latch reset V
Note:
8
1. These values are not prescribe to the HA17384SPS/SRP because OVP function is not included.
IN
voltage
Symbol
V
I
A
BW
PSRR
I
I
V
V
V
I
V
IB
Osink EA
Osource EA
FB(OVP)
FB
VOL
OH EA
OL EA
OVP
IN(OVP RES)
Min
2.42
—
65
0.7
60
3.0
–0.5
5.5
—
6.0
—
6.0
Typ
2.50
–0.2
90
1.0
70
9.0
–0.8
6.5
0.7
7.0
30
7.0
Max
2.58
–2.0
—
—
—
—
—
7.5
1.1
8.0
50
8.0
Unit
V
dB
MHz
dB
mA
mA
V
V
V
V
A
A
Test Condition
V
V
2.0 V
12 V
V
V
V
R
V
R
Increase FB terminal
voltage
V
Decreasing V
latched
COMP
FB
FB
FB
FB
FB
FB
L
L
= 15 k (GND)
= 15 k (Vref)
= 5.0 V
= 2.7 V, V
= 2.3 V, V
= 2.3 V,
= 2.7 V,
= 8.0 V
= 2.5 V
V
V
IN
O
25 V
4.0 V
IN
COMP
COMP
after OVP
= 1.1 V
= 5.0 V
Note
1
1
1