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參數(shù)資料
| 型號： | TPS68625 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRALOW-NOISE, HIGH PSRR, FAST RF 1.5 A LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 超低噪聲，高PSRR，快速射頻1.5低壓差線性穩(wěn)壓器 |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 559K |
| 代理商： | TPS68625 |
www.ti.com
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Thermal
Shutdown
Bandgap
Reference
1.225 V
V
IN
Current
Sense
R
2
GND
EN
SHUTDOWN
V
REF
UVLO
ILIM
External to
the Device
FB
R
1
UVLO
250 k
Quickstart
IN
OUT
_
+
Thermal
Shutdown
V
IN
Current
Sense
R
1
R
2
GND
EN
SHUTDOWN
V
REF
UVLO
ILIM
Bandgap
Reference
1.225 V
UVLO
250 k
NR
Quickstart
R
2
= 40k
IN
OUT
TPS78601, TPS78618
TPS78625, TPS78628
TPS78630, TPS78633
SLVS389D–SEPTEMBER 2002–REVISED OCTOBER 2004
FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION
FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION
Terminal Functions
TERMINAL
ADJ
NA
DESCRIPTION
NAME
NR
FIXED
5
An external bypass capacitor, connected to this terminal, in conjunction with an internal resistor, creates a
low-pass filter to further reduce regulator noise.
The EN terminal is an input which enables or shuts down the device. When EN goes to a logic high, the device
will be enabled. When the device goes to a logic low, the device is in shutdown mode.
This terminal is the feedback input voltage for the adjustable device.
3, Tab Regulator ground
2
Unregulated input to the device.
4
Output of the regulator.
EN
1
1
FB
GND
IN
OUT
5
N/A
3, Tab
2
4
4
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