參數(shù)資料
型號: KA7553A
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: SMPS Controller
中文描述: 1.5 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDIP8
封裝: DIP-8
文件頁數(shù): 3/6頁
文件大?。?/td> 176K
代理商: KA7553A
KA7552A/KA7553A
3
Electrical Characteristics
(Continued)
(V
CC
= 18V, F
OSC
= 135kHz, T
A
= 25
°
C, unless otherwise specified)
Note
:
1. These parameters, although guaranteed, are not 100% tested in production.
2. Recommend operating condition :
- Vcc(min) = 12V
- R
T
= 3.3k
~ 10k
- Oscillation frequency = 5kHz ~ 600kHz
- Soft start capacitor(C
S
) = 0.1uF ~ 1uF
Parameter
UNDER VOLTAGE LOCKOUT SECTION
Start-up threshold voltage
Minimum operating voltage
Hysteresis
ON/OFF CONTROL SECTION
Source current(pin8)
On threshold voltage
Off threshold voltage
OUTPUT SECTION
Low output voltage
High output voltage
Rise time
(Note1)
Fall time
(Note1)
OVERALL
Stand-by current
Operating current
Power supply current off
Power supply current shutdown
Symbol
Conditions
Min.
Typ.
Max.
Unit
V
TH(ST)
V
OPR(Min)
V
HYS
-
-
-
15.5
8.20
6.40
16.0
8.70
7.30
16.5
9.20
8.20
V
V
V
I
SOURCE(CS)
V
TH(ON)
V
TH(OFF)
V
PIN8
= 0V
V
PIN8
: OFF->ON
V
PIN8
: ON -> OFF
-15
0.45
0.30
-10
0.56
0.42
-5
uA
V
V
0.70
0.55
V
OL
V
OH
T
R
T
F
I
O
= 100mA, V
CC
= 18V
I
O
= -100mA, V
CC
= 18V
No load
No load
-
1.3
16.5
50
50
1.8
18.0
-
-
V
V
ns
ns
16.0
-
-
I
SB
V
CC
= 14V
V
PIN2
= 0V
V
PIN8
= 0V
V
PIN8
= 7.6V
-
-
-
-
90
9
1.1
1.1
150
15
1.8
1.8
uA
mA
mA
mA
I
CC(OPR)
I
CC(OFF)
I
CC(SD)
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