參數(shù)資料
型號(hào)： TL7700CP
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： ROHS COMPLIANT, PLASTIC, DIP-8
文件頁(yè)數(shù)： 12/20頁(yè)
文件大?。?/td> 554K
代理商： TL7700CP
Reference
Voltage
+
-
+
-
R
S
Q
+
-
Vs = 500 mV Typ
RESET
GND
CT
SENSE
VCC
ICT (A)
High:
On
IS (A)
SLVS220E – JULY 1999 – REVISED MARCH 2009........................................................................................................................................................... www.ti.com
FUNCTIONAL BLOCK DIAGRAM
A.
ICT = 15 A (Typ), Is = 2.5 A (Typ)
TERMINAL FUNCTIONS
TERMINAL
DESCRIPTION
NO.
NAME
P, PS, PW
DGK
Timing capacitor connection. This terminal sets the RESET output pulse duration (tpo). It is
connected internally to a 15-
A constant-current source. There is a limit on the switching speed of
internal elements; even if CT is set to 0, response speeds remain at approximately 5 to 10
s. If CT
is open, the device can be used as an adjustable-threshold noninverting comparator. If CT is low, the
CT
1
3
internal output-stage comparator is active, and the RESET output transistor is on. An external
voltage must not be applied to this terminal due to the internal structure of the device. Therefore,
drive the device using an open-collector transistor, FET, or 3-state buffer (in the low-level or
high-impedance state).
GND
4
5
Ground. Keep this terminal as low impedance to reduce circuit noise.
NC
3, 6, 7
2, 6, 7
No internal connection
Reset output. This terminal can be connected directly to a system that resets in the active-low state.
A pullup resistor usually is required because the output is an npn open-collector transistor. An
RESET
8
1
additional transistor should be connected when the active-high reset or higher output current is
required.
Voltage sense. This terminal has a threshold level of 500 mV. The sense voltage and hysteresis can
be set at the same time when the two voltage-dividing resistors are connected. The reference
SENSE
2
4
voltage is temperature compensated to inhibit temperature drift in the threshold voltage within the
operating temperature range.
VCC
5
8
Power supply. This terminal is used in an operating-voltage range of 1.8 V to 40 V.
2
Copyright 1999–2009, Texas Instruments Incorporated
Product Folder Link(s): TL7700
相關(guān)PDF資料
PDF描述
TL7700CDGKT 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7700CPWRE4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7700CPWG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7702AID1/A 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
TL7702ACP/A 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL7700CPE4 功能描述:監(jiān)控電路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7700CPS 制造商:Texas Instruments 功能描述:
TL7700CPSR 功能描述:監(jiān)控電路 Supply V RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7700CPSRG4 功能描述:監(jiān)控電路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
TL7700CPW 功能描述:監(jiān)控電路 VOLTAGE SUPERVISOR RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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