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參數(shù)資料
| 型號(hào)： | 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(shù)： | 7/22頁 |
| 文件大小： | 760K |
| 代理商： | TNY268PG |
Rev. H 02/09
15
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
Output (cont.)
ON-State
Resistance
R
DS(ON)
TNY266
I
D = 35 mA
T
J = 25 °C
14
16
Ω
T
J = 100 °C
21
24
TNY267
I
D = 45 mA
T
J = 25 °C
7.8
9.0
T
J = 100 °C
11.7
13.5
TNY268
I
D = 55 mA
T
J = 25 °C
5.2
6.0
T
J = 100 °C
7.8
9.0
OFF-State Drain
Leakage Current
I
DSS
V
BP = 6.2 V,
V
EN/UV = 0 V,
V
DS = 560 V,
T
J = 125 °C
TNY263-266
50
μA
TNY267-268
100
Breakdown
Voltage
BV
DSS
V
BP = 6.2 V, VEN/UV = 0 V,
See Note H, T
J = 25 °C
700
V
Rise Time
t
R
Measured in a Typical Flyback
Converter Application
50
ns
Fall Time
t
F
50
ns
Drain Supply
Voltage
50
V
Output EN/UV Delay
t
EN/UV
See Figure 20
10
μs
Output Disable
Setup Time
t
DST
0.5
μs
Auto-Restart
ON-Time
t
AR
T
J = 25 °C
See Note I
50
ms
Auto-Restart
Duty Cycle
DC
AR
5.6
%
NOTES:
Total current consumption is the sum of I
S1 and IDSS when EN/UV pin is shorted to ground (MOSFET not switching) and the sum of
I
S2 and IDSS when EN/UV pin is open (MOSFET switching).
Since the output MOSFET is switching, it is difcult to isolate the switching current from the supply current at the
DRAIN. An alternative is to measure the BYPASS pin current at 6.1 V.
BYPASS pin is not intended for sourcing supply current to external circuitry.
See Typical Performance Characteristics section for BYPASS pin start-up charging waveform.
For current limit at other di/dt values, refer to Figure 25.
This parameter is derived from characterization.
This parameter is derived from the change in current limit measured at 1X and 4X of the di/dt shown in the I
LIMIT specication.
Breakdown voltage may be checked against minimum BV
DSS specication by ramping the DRAIN pin voltage up to but not
exceeding minimum BV
DSS.
Auto-restart on time has the same temperature characteristics as the oscillator (inversely proportional to frequency).
A.
B.
C.
D.
E.
F.
G.
H.
I.
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