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參數(shù)資料
| 型號： | TOP210PFI |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CONNECTOR ACCESSORY |
| 中文描述： | 0.1 A SWITCHING REGULATOR, 110 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | PLASTIC, MS-001AB, DIP-8 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 446K |
| 代理商： | TOP210PFI |
A
8/97
2
TOP209/210
2
PI-1742-011796
SHUTDOWN/
AUTO-RESTART
PWM
COMPARATOR
CLOCK
SAW
OSCILLATOR
CONTROLLED
TGATE
DRIVER
INTERNAL
SUPPLY
5.7 V
4.7 V
SOURCE
S
R
Q
Q
DMAX
-
+
CONTROL
-
+
5.7 V
IFB
RE
ZC
VC
MINIMUM
ON-TIME
DELAY
+
-
VILIMIT
LEADING
EDGE
BLANKING
POWER-UP
RESET
÷
8
0
1
THERMAL
SHUTDOWN
WITH
HYSTERESIS
SHUNT REGULATOR/
ERROR AMPLIFIER
+
-
DRAIN
Figure 2. Functional Block Diagram.
Pin Functional Description
DRAIN Pin:
Output MOSFET drain connection. Provides internal bias
current during start-up operation via an internal switched high-
voltage current source. Internal current sense point.
CONTROL Pin:
Error amplifier and feedback current input pin for duty cycle
control. Internal shunt regulator connection to provide internal
bias current during normal operation. It is also used as the
supply bypass and auto-restart/compensation capacitor
connection point.
SOURCE Pin:
Control circuit common, internally connected to output
MOSFET source.
SOURCE (HV RTN) Pin:
Output MOSFET source connection for high voltage return.
PI—2044-040901
CONTROL
8
5
7
6
DRAIN
N/C
N/C
N/C
1
4
2
3
N/C
SOURCE (HV RTN)
SOURCE
P Package (DIP-8)
G Package (SMD-8)
Figure 3. Pin Configuration.
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