參數(shù)資料
型號(hào): TPS796XX
廠商: Texas Instruments, Inc.
英文描述: ULTRALOW-NOISE, HIGH PSRR, FAST, RF, 1A LOW-DROPOUT LINEAR REGULATORS
中文描述: 超低噪聲,高PSRR,快速,射頻低壓差線性穩(wěn)壓器1A條
文件頁(yè)數(shù): 4/33頁(yè)
文件大?。?/td> 899K
代理商: TPS796XX
www.ti.com
_
+
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
TPS796xx
SLVS351I–SEPTEMBER 2002–REVISED MAY 2006
FUNCTIONAL BLOCK DIAGRAM—ADJUSTABLE VERSION
FUNCTIONAL BLOCK DIAGRAM—FIXED VERSION
Table 1. Terminal Functions
TERMINAL
ADJ
N/A
DESCRIPTION
NAME
NR
FIXED
5
Connecting an external capacitor to this pin bypasses noise generated by the internal bandgap. This
improves power-supply rejection and reduces output noise.
Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator into shutdown
mode. EN can be connected to IN if not used.
This terminal is the feedback input voltage for the adjustable device.
Regulator ground
Unregulated input to the device.
Output of the regulator.
EN
1
1
FB
GND
IN
OUT
5
N/A
3, Tab
2
4
3, Tab
2
4
4
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