參數(shù)資料
型號: HA17384HRP
廠商: Hitachi,Ltd.
元件分類: 基準電壓源/電流源
英文描述: High Speed Current Mode PWM Control IC for Switching Power Supply
中文描述: 高速開關電源電流模式PWM控制IC
文件頁數(shù): 10/31頁
文件大小: 145K
代理商: HA17384HRP
HA17384SPS/SRP, HA17384HPS/HRP, HA17385HPS/HRP
10
Electrical Characteristics
(cont)
UVL Part
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Threshold voltage for
V
TH UVL
14.5
16.0
17.5
V
Turn-ON voltage
1
high V
IN
level
Threshold voltage for
7.6
8.4
9.2
V
when V
IN
is rising
Minimum operating
2
V
TL UVL
9.0
10.0
11.0
V
1
low V
IN
level
V
IN
UVL hysteresis voltage
6.8
7.6
8.4
V
voltage after turn-ON
2
V
HYS UVL
5.0
6.0
7.0
V
V
HYS UVL
= V
TH UVL
– V
TL UVL
1
0.6
0.8
1.0
V
2
Vref UVL threshold voltage
V
T Vref
4.3
4.7
Vref
V
Voltage is forced toVref
terminal
Notes: 1. For the HA17384S/H.
2. For the HA17385H.
Total Characteristics
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Note
Operating current
I
IN
I
STBY
I
LATCH
V
INZ
7.0
10.0
13.0
mA
C
L
= 1000 pF, V
FB
= V
CS
= 0 V
Current at start up
Standby current
120
170
230
μ
A
μ
A
Current of latch
200
270
340
V
FB
= 0 V after V
FB
= V
OVP
I
IN
+ 2.5 mA
1, 2
Power supply zener
voltage
31
34
37
V
Overheat protection
starting temperature
Notes: 1. These values are not prescribe to the HA17384SPS/SRP because OVP function is not included.
2. V
IN
= 8.5 V in case of the HA17384H.
2. These values are not prescribe to the HA17384SPS/SRP because TSD function is not included.
4. Reference value for design.
Tj
TSD
160
°
C
3, 4
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