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參數資料
| 型號： | TPS799XXYZU |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 200mA, Low Quiescent Current, Ultra-Low Noise, High PSRR Low Dropout Linear Regulator |
| 中文描述： | 200mA的，低靜態(tài)電流，超低噪聲，高PSRR低壓降線性穩(wěn)壓器 |
| 文件頁數： | 4/21頁 |
| 文件大小： | 453K |
| 代理商： | TPS799XXYZU |
www.ti.com
DEVICE INFORMATION
FUNCTIONAL BLOCK DIAGRAMS
Thermal
Shutdown
UVLO
Current
Limit
2
μ
A
Overshoot
Detect
500k
Quickstart
1.193V
Bandgap
IN
EN
NR
OUT
GND
400
Thermal
Shutdown
UVLO
Current
Limit
3.3M
Overshoot
Detect
500k
1.193V
Bandgap
IN
EN
FB
OUT
GND
400
PIN CONFIGURATIONS
TPS799xxDDC
TSOT23-5
(TOP VIEW)
OUT
NR
IN
GND
EN
1
2
3
5
4
TPS799xxYZU
WCSP
(TOP VIEW)
C3
C1
B2
A3
A1
OUT
EN
IN
GND
NR
GND
TPS79901YZU
WCSP
(TOP VIEW)
OUT
EN
IN
FB
C3
C1
B2
A3
A1
TPS79901DDC
TSOT23-5
(TOP VIEW)
OUT
FB
IN
GND
EN
1
2
3
5
4
TPS799xxDRV
2mm x 2mm SON-6
(TOP VIEW)
IN
N/C
EN
6
5
4
OUT
NR
GND
1
2
3
GND
TPS79901DRV
2mm x 2mm SON-6
(TOP VIEW)
IN
N/C
EN
6
5
4
OUT
FB
GND
1
2
3
GND
TPS799xx
SBVS056G–JANUARY 2005–REVISED AUGUST 2006
Figure 1. Fixed Voltage Versions
Figure 2. Adjustable Voltage Versions
Table 1. PIN DESCRIPTIONS
TPS799xx
DDC
1
2
NAME
IN
GND
YZU
C3
B2
DRV
6
3, Pad
DESCRIPTION
Input supply.
Ground. The pad must be tied to GND.
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.
Fixed voltage versions only; connecting an external capacitor to this pin bypasses noise
generated by the internal bandgap. This allows output noise to be reduced to very low levels.
Adjustable version only; this is the input to the control loop error amplifier, and is used to set
the output voltage of the device.
Output of the regulator. A small capacitor (total typical capacitance
≥
2.0
μ
F ceramic) is
needed from this pin to ground to assure stability.
Not internally connected. This pin must either be left open, or tied to GND.
EN
3
A1
4
NR
4
A3
2
FB
4
A3
2
OUT
5
C1
1
N/C
—
—
5
4
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