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參數(shù)資料
| 型號(hào)： | MIC1832N |
| 廠商： | MICREL INC |
| 元件分類： | 電源管理 |
| 英文描述： | RSO-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 3.3V; Power: 1W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protectionwith Current Foldback; Low Noise; No External Capacitor needed; Efficiency to 83% |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDIP8 |
| 封裝： | DIP-8 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 164K |
| 代理商： | MIC1832N |
4
Pin 1:
PBRST
- Pushbutton reset input. This input is debounced and can be driven with external logic signals or by
means of a mechanical pushbutton to actively force a reset. All pulses less than 1ms in duration on the
PBRST pin are ignored, whereas, any pulse with a duration of 20ms or greater is guaranteed to cause a
reset. PBRST has an internal pull-up resistor to VCC of 40k
typical.
Pin 2:
TD
- Time delay input. This input selects the timebase used by the watchdog timer. When TD = 0V, the
watchdog timeout period is set to a nominal value of 150ms and when TD = open, the watchdog timeout
period is set to a nominal value of 600ms and when TD = VCC, the watchdog timeout period is 1.2sec
nominally.
Pin 3:
TOL
- Tolerance select input. Selects whether 5% or 10% of VCCis used as the reset threshold voltage.
When TOL = 0V, the 5% tolerance level is selected and when TOL = VCC, a 10% tolerance level is selected.
Pin 4:
GND
- IC ground pin, 0V reference.
Pin 5:
RST
- RST is asserted high if either VCCgoes below the reset threshold, the watchdog times out or PBRST is
pulled low for a minimum of 20ms. RST remains asserted for one reset timeout period after VCCexceeds the
reset threshold or after the watchdog times out or after PBRST goes high.
Pin 6:
RST
- RST is asserted low if either VCCgoes below the reset threshold, the watchdog times out or PBRST is
pulled low for a minimum of 20ms. RST remains asserted for one reset timeout period after VCCexceeds the
reset threshold or after the watchdog times out or after PBRST goes high.
Pin 7:
ST
- Input to the watchdog timer. If ST does not see a transition from high to low within the watchdog timeout
period, RST and RST will be asserted.
Pin 8:
VCC
- Primary supply input.
Pin Functions
MIC1832
μ
P Supervisory Circuit
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