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參數資料
| 型號： | TNY268PG |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.88 A SWITCHING REGULATOR, 140 kHz SWITCHING FREQ-MAX, PDIP7 |
| 封裝： | 0.300 INCH, LEAD FREE, PLASTIC, MS-001-AB, DIP-8 |
| 文件頁數： | 6/22頁 |
| 文件大小： | 760K |
| 代理商： | TNY268PG |
Rev. H 02/09
14
TNY263-268
www.powerint.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = -40 to 125 °C
See Figure 18
(Unless Otherwise Specied)
Min
Typ
Max
Units
Control Functions (cont.)
BYPASS Pin
Voltage
V
BP
See Note C
5.6
5.85
6.15
V
BYPASS Pin
Voltage Hysteresis
V
BPH
0.80
0.95
1.20
V
EN/UV Pin Line Under-
Voltage Threshold
I
LUV
T
J = 25 °C
44
49
54
μA
Circuit Protection
Current Limit
I
LIMIT
TNY263
T
J = 25 °C
di/dt = 42 mA/
μs
See Note E
195
210
225
mA
TNY264
T
J = 25 °C
di/dt = 50 mA/
μs
See Note E
233
250
267
TNY265
T
J = 25 °C
di/dt = 55 mA/
μs
See Note E
255
275
295
TNY266
T
J = 25 °C
di/dt = 70 mA/
μs
See Note E
325
350
375
TNY267
T
J = 25 °C
di/dt = 90 mA/
μs
See Note E
419
450
481
TNY268
T
J = 25 °C
di/dt = 110 mA/
μs
See Note E
512
550
588
Initial Current Limit
I
INIT
See Figure 21
T
J = 25 °C
0.65 x
I
LIMIT(MIN)
mA
Leading Edge
Blanking Time
t
LEB
T
J = 25 °C
See Note F
170
215
ns
Current Limit
Delay
t
ILD
T
J = 25 °C
See Note F, G
150
ns
Thermal Shutdown
Temperature
125
135
150
°C
Thermal Shutdown
Hysteresis
70
°C
Output
ON-State
Resistance
R
DS(ON)
TNY263
I
D = 21 mA
T
J = 25 °C
33
38
Ω
T
J = 100 °C
50
57
TNY264
I
D = 25 mA
T
J = 25 °C
28
32
T
J = 100 °C
42
48
TNY265
I
D = 28 mA
T
J = 25 °C
19
22
T
J = 100 °C
29
33
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