參數(shù)資料
型號(hào)： PT6211E
廠商： Texas Instruments, Inc.
英文描述： 2 Amp Adjustable Positive Step-down Integrated Switching Regulator(2A可調(diào)的正輸出步降集成開關(guān)穩(wěn)壓器)
中文描述： 2安培調(diào)節(jié)正降壓集成開關(guān)穩(wěn)壓器（甲可調(diào)的正輸出步降集成開關(guān)穩(wěn)壓器）
文件頁數(shù)： 1/6頁
文件大?。?/td> 158K
代理商： PT6211E
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Standard Application
C
1
= Optional 1μF ceramic
C
2
= Required 100μF electrolytic
(1)
Q
1
= NFET
Specifications
PT6210
2,3,4
5,6,7,8
9,10,11
12
V
IN
COM
COM
V
OUT
C2
+
1
V
O
ADJ
INH
Q1
C1
Ordering Information
PT6211
= +5.1 Volts
PT6212
= +5.0 Volts
PT6213
= +3.3 Volts
PT6214
= +12 Volts
PT6216
= +1.5Volts
Pin-Out Information
Pin
Function
Inhibit
(30V max)
2
V
in
3
V
in
4
V
in
5
GND
6
GND
7
GND
8
GND
9
V
out
10
V
out
11
V
out
12
V
out
Adj
(5)
PT Series Suffix
(PT1234
X
)
Case/Pin
Configuration
Vertical Through-Hole
Horizontal Through-Hole
Horizontal Surface Mount
P
D
E
Note: Back surface of
Note: Heat spreaders are not
electrically connected to product.
2 Amp Adjustable Positive Step-down
Integrated Switching Regulator
90% Efficiency
Adjustable Output Voltage
Internal Short Circuit Protection
Over-Temperature Protection
On/Off Control (Ground Off)
Small SIP Footprint
Wide Input Range
The PT6210 Series is a line of
High-Performance 2 Amp, 12-Pin SIP
(Single In-line Package) Integrated
Switching Regulators (ISRs) designed to
meet the on-board power conversion
needs of battery powered or other equip-
ment requiring high efficiency and small
size. This high performance ISR family
offers a unique combination of features
combining 90% typical efficiency with
open-collector on/off control and ad-
justable output voltage. Quiescent
current in the shutdown mode is typically
less than 100μA.
1
Pkg Style 200
SLTS030B
(Revised 9/30/2000)
PT6210 Series
Characteristics
(T
a
= 25°C unless noted)
Output Current
Short Circuit Current
Input Voltage Range
PT6210 SERIES
Typ
—
5.0
—
—
—
—
Symbols
I
o
I
sc
V
in
Conditions
Over V
in
range
V
in
= V
in
min
0.1
≤
I
o
≤
2.0 A
Min
0.1
(2)
—
16
9
9
9
Max
2.0
—
30/38
(3)
30/38
(3)
26
17
Units
A
Apk
V
o
= 12V
V
o
= 5.0V
V
o
= 3.3V
V
o
= 1.5V
V
(Note: inhibit function cannot
be used with Vin above 30V.)
Output Voltage Tolerance
V
o
Over Vin Range, I
o
= 2.0 A
T
a
= 0°C to +60°C
Over V
in
range
0.1
≤
I
o
≤
2.0 A
V
in
= V
in
min
50% load change
V
o
over/undershoot
V
in
= 16V, I
=0.5A
V
in
=9V, I
o
= 0.5 A
V
in
=9V, I
o
= 0.5 A
V
in
=9V, I
o
= 0.5 A
Over V
in
and I
o
ranges
—
±1.0
±2.0
%V
o
Line Regulation
Load Regulation
V
o
Ripple/Noise
Transient Response
with C
o
= 100
μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
—
—
—
—
—
—
—
—
—
450
400
—
—
-40
±0.25
±0.25
±2
100
5.0
91
89
84
72
—
—
100
10
—
±0.5
±0.5
—
200
—
—
—
—
—
900
500
—
—
+85
(4)
%V
o
%V
o
%V
o
μSec
%V
o
V
o
= 12V
V
o
= 5.0V
V
o
= 3.3V
V
o
= 1.5V
V
o
≥
3.3V
V
o
=
1.5V
%
Switching Frequency
o
kHz
Shutdown Current
Quiescent Current
Absolute Maximum
Operating Temperature Range
Thermal Resistance
Storage Temperature
Mechanical Shock
I
sc
I
nl
T
a
V
in
= 16V
I
o
= 0A, V
in
=10V
Over V
in
range
μA
mA
°C
θ
ja
T
s
—
Free Air Convection (40-60LFM)
—
Per Mil-STD-883D, Method 2002.3,
1 msec, Half Sine, mounted to a fixture
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, Soldered in a PC board
—
—
-40
40
—
—
+125
—
°C/W
°C
—
500
G’s
Mechanical Vibration
—
—
10
—
G’s
Weight
—
—
6
—
grams
Notes:
(1) The PT6210 Series requires a 100μF electrolytic or tantalum output capacitor for proper operation in all applications.
(2) The ISR will operate to no load with reduced specifications.
(3) Input voltage cannot exceed 30V when the inhibit function is used.
(4) See Thermal Derating charts.
(5) Consult the related application note for guidance on adjusting the output voltage.
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