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參數(shù)資料
| 型號： | TC52N2240ECTTR |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | EIAJ, SC-74A, SOT-23A, 5 PIN |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 530K |
| 代理商： | TC52N2240ECTTR |
2002 Microchip Technology Inc.
DS21430B-page 3
TC52
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
TABLE 2-1:
PIN FUNCTION TABLE
3.0
DETAILED DESCRIPTION
In normal steady-state operation and for either
channel, when VIN > VDET -, the output is high, see
Figure 3-1. (In the case of the TC52N, this is an open-
drain condition.) If and when the input falls below
VDET -, the output pulls down (Logic 0) to VSS.
Generally, VOUT can pull down to within 0.5V of VSS at
rated output current and input voltages. (Also see
Section 1.0, Electrical Characteristics).
The output, VOUT, stays valid until the input voltage falls
below the minimum operating voltage, VINMIN, of 0.7V.
Below this minimum operating voltage, the output is
undefined. During power-up or anytime VIN has fallen
below VINMIN, VOUT will remain undefined until VIN rises
above VINMIN, at which time the output becomes valid.
VOUT is maintained in its active low state while VINMIN <
VIN < VDET+. (VDET+ = VDET - + VHYST). If and when
the input rises above VDET+, the output will assume its
inactive state (open-drain for TC52N).
FIGURE 3-1:
TIMING DIAGRAM
Pin No.
(5-Pin SOT-23A)
Symbol
Description
1
VOUT1
Detector #1 output.
2
VIN
Supply voltage input, detect voltage 1.
3
GND
Ground terminal.
4
VIN2
Detect voltage 2.
5
VOUT2
Detector #2 output.
VINx
Detect Voltage VDET–
Minimum Operating
Voltage
VHYST
VDET+
Output Voltage
Release Voltage
or RESET Voltage
Ground Level
VOUTx
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