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HA17384SRP Datasheet(PDF) 7 Page - Renesas Technology Corp

Part # HA17384SRP
Description  High Speed Current Mode PWM Control IC for Switching Power Supply
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HA17384SRP Datasheet(HTML) 7 Page - Renesas Technology Corp

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HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
Rev.3.00 Jun 15, 2005 page 7 of 28
Electrical Characteristics
(The condition is: Ta = 25°C, VIN = 15 V, CT = 3300 pF, RT = 10 k
Ω without notice)
• Reference Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Reference output voltage
Vref
4.9
5.0
5.1
V
Io = 1 mA
Line regulation
Regline
20
50
mV
12 V
≤ VIN ≤ 25 V
Load regulation
Regload
10
25
mV
–1 mA
≥ Io ≥ –20 mA
Output short current
los
–30
–100
–180
mA
Vref = 0V
Temperature stability
∆Vref
80
ppm/
°C Io = –1 mA,
–20°C
≤ Ta ≤ 105°C
1
Output noise voltage
VN
100
µV
10 Hz
≤ fnoise ≤ 10 kHz
1
Note:
1. Reference value for design.
• Triangular Wave Oscillator Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Typical oscillating
frequency
fosc Typ
47
52
57
kHz
CT = 3300 pF,
RT = 10 k
Maximum oscillating
frequency
fosc Max
500
kHz
Supply voltage
dependency of oscillating
frequency
∆fosc 1
±0.5
±2.0
%
12 V
≤ VIN ≤ 25 V
Temperature dependency
of oscillating frequency
∆fosc 2
±5.0
%
–20°C
≤ Ta ≤ 105°C
1
Discharge current of CT
IsinkCT
7.5
8.4
9.3
mA
VCT = 2.0 V
Low level threshold voltage
VTLCT
1.2
V
1
High level threshold
voltage
VTHCT
2.8
V
1
Triangular wave amplitude
∆VCT
1.6
V
∆VCT = VTHCT – VTLCT
1
Note:
1. Reference value for design.
(The condition is: Ta = 25
°C, VIN = 15 V, CT = 3300 pF, RT = 10 kΩ without notice)
• Error Amplifire Part / OVP Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Non-inverting input voltage
VFB
2.42
2.50
2.58
V
VCOMP = 2.5 V
Input bias current
IIB
–0.2
–2.0
µA
VFB = 5.0 V
Open loop voltage gain
AVOL
65
90
dB
2.0 V
≤ VO ≤ 4.0 V
Unity gain bank width
BW
0.7
1.0
MHz
Power supply voltage
rejection ratio
PSRR
60
70
dB
12 V
≤ VIN ≤ 25 V
Output sink current
IOsink EA
3.0
9.0
mA
VFB = 2.7 V, VCOMP = 1.1 V
Output source current
IOsource EA
–0.5
–0.8
mA
VFB = 2.3 V, VCOMP = 5.0 V
High level output voltage
VOH EA
5.5
6.5
7.5
V
VFB = 2.3 V,
RL = 15 k
Ω(GND)
Low level output voltage
VOL EA
0.7
1.1
V
VFB = 2.7 V,
RL = 15 k
Ω(Vref)
OVP latch threshold
voltage
VOVP
6.0
7.0
8.0
V
Increase FB terminal voltage
1
OVP (FB) terminal input
current
IFB(OVP)
30
50
µA
VFB = 8.0 V
1
OVP latch reset VIN voltage VIN(OVP RES)
6.0
7.0
8.0
V
Decreasing VIN after OVP
latched
1
Note:
1. These values are not prescribe to the HA17384SPS/SRP because OVP function is not included.


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