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參數(shù)資料
| 型號(hào)： | KA3846 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SMPS Controller |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | DIP-16 |
| 文件頁(yè)數(shù)： | 4/10頁(yè) |
| 文件大小： | 67K |
| 代理商： | KA3846 |
KA3846
4
Electrical Characteristics
(V
CC
=15V, T
A
=0
°
C to + 70
°
C, unless otherwise specified)
Notes
:
1. Parameter measured at trip point at latch with V
5
= V
REF
, V
6
= 0V
2. R
T
= 10K
, C
T
= 4.7nF
3. Amplifier gain definde as:
V4
4. Current into Pin 1 guaranteed to latch circuit in shutdown state.
5. Current into Pin 1 guaranteed not to latch circuit in shutdown state.
6. These parameters, although guaranteed over the recommended operating conditions, are not 100% tested in production.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
CURRENT LIMIT ADJUST SECTION
Current Limit Offset Voltage (Note 1)
V
IO(C.L)
V
3
= 0V
V
4
= 0V, Pin 7 open
V
5
= V
REF
, V
6
= 0V
0.45
0.5
0.55
V
Input Bias Current
SHUTDOWN TERMINAL SECTION
Threshold Voltage
Input Voltage Range
Minimum Latching Current (Note 4)
Maximum Non-Latching Current (Note 5) I
(NONLATCH,MAX)
UNDER-VOLTAGE LOCKOUT SECTION
Start Threshold
Threshold Hysteresis
OUTPUT SECTION
Collector-Emitter Voltage
Collector Leakage Current
Low Output Voltage 1
Low Output Voltage 2
High Output Voltage 1
High Output Voltage 2
Rise Time (Note 6)
Fall Time (Note 6)
TOTAL STANDBY CURRENT
Supply Current
I
BIAS
-
- 10
- 30
uA
V
TH
V
I
-
-
-
-
250
0
3.0
-
350
-
1.5
1.5
400
V
CC
-
0.8
mV
V
mA
mA
I
(LATCH,MIN)
V
TH(ST)
V
HYS
-
-
7
7.7
0.75
8.4
1.05
V
V
0.45
V
CEO
I
LEAK
V
OL
1
V
OL
2
V
OH
1
V
OH
2
t
R
t
F
-
40
-
-
-
13
12
-
-
-
-
-
V
uA
V
V
V
V
us
us
V
C
= 40V
I
SINK
= 20mA
I
SINK
= 100mA
I
SOURCE
= 20mA
I
SOURCE
= 100mA
C
L
= 1nF, T
J
= 25
°
C
C
L
= 1nF, T
J
= 25
°
C
200
0.4
2.1
-
-
300
300
0.1
0.4
13.5
13.5
50
50
I
CC
-
-
17
21
mA
G
-----------
V
4
;
0to1.0V
=
=
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| KA386B | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:the ka386b/bd/bs is a power amplifier designed for use in low voltage consumer applications |
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