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参数资料
| 型号： | TPS386060RGPT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封装： | 4 X 4 MM, PLASTIC, QFN-20 |
| 文件页数： | 26/31页 |
| 文件大小： | 681K |
| 代理商： | TPS386060RGPT |
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SENSE4H
SENSE4L
SENSE3
SENSE2
SENSE1
WDI
RESET4
RESET3
RESET2
TPS386000
TPS386040
(ThermalPad)
CT4
CT3
CT1
NC
VREF
6
7
8
9
10
1
2
3
4
5
15
14
13
12
11
20
19
18
17
16
WDO
CT2
GND
MR
VCC
RESET1
SENSE4H
SENSE4L
SENSE3
SENSE2
SENSE1
WDI
RESET4
RESET3
RESET2
TPS386020
TPS386060
CT4
CT3
CT1
NC
VREF
6
7
8
9
10
1
2
3
4
5
15
14
13
12
11
20
19
18
17
16
WDO
CT2
GND
MR
VCC
RESET1
(ThermalPad)
SBVS105B
– SEPTEMBER 2009 – REVISED MARCH 2011
PIN CONFIGURATIONS
RGP PACKAGE
QFN-20
(TOP VIEW)
PIN ASSIGNMENTS
PIN
NAME
NO.
DESCRIPTION
VCC
14
Supply voltage. Connecting a 0.1
μF ceramic capacitor close to this pin is recommended.
GND
12
Ground
When the voltage at this terminal drops below the
SENSE1
10
Monitor voltage input to SVS-1
threshold voltage (VITN), RESET1 is asserted.
When the voltage at this terminal drops below the
SENSE2
9
Monitor voltage input to SVS-2
threshold voltage (VITN), RESET2 is asserted.
When the voltage at this terminal drops below the
SENSE3
8
Monitor voltage input to SVS-3
threshold voltage (VITN), RESET3 is asserted.
Falling monitor voltage input to SVS-4. When the voltage at this terminal drops below the threshold
SENSE4L
7
voltage (VITN), RESET4 or RESET4 is asserted.
Rising monitor voltage input to SVS-4. When the voltage at this terminal exceeds the threshold voltage
SENSE4H
6
(VITP), RESET4 or RESET4 is asserted. This pin can also be used to monitor the negative voltage rail
in combination with VREF pin. Connect to GND if not being used.
CT1
5
Reset delay programming pin for SVS-1
Connecting this pin to VCC through a 40k
to
200k
resistor, or leaving it open, selects a fixed
CT2
4
Reset delay programming pin for SVS-2
delay time (see the Electrical Characteristics).
CT3
3
Reset delay programming pin for SVS-3
Connecting a capacitor
> 220pF between this pin
and GND selects the programmable delay time
CT4
2
Reset delay programming pin for SVS-4
(see the Reset Delay Time section).
Reference voltage output. By connecting a resistor network between this pin and the negative power
VREF
13
rail, SENSE4H can monitor the negative power rail. This pin is intended to only source current into
resistor(s). Do not connect resistor(s) to a voltage higher than 1.2V. Do not connect only a capacitor.
MR
1
Manual reset input for SVS-1. Logic low level of this pin asserts RESET1 or RESET1.
Watchdog timer (WDT) trigger input. Inputting either a positive or negative logic edge every 610ms (typ)
WDI
20
prevents WDT time out at the WDO or WDO pin. Timer starts from releasing event of RESET1 or
RESET1.
NC
11
Not connected. It is recommended to connect this pin to the GND pin (pin 12), which is next to this pin.
This is the IC substrate. This pad must be connected only to GND or to the floating thermal pattern on
(Thermal Pad)
(PAD)
the printed circuit board (PCB).
4
Copyright
2009–2011, Texas Instruments Incorporated
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