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參數(shù)資料
| 型號(hào)： | UC2526DWTR |
| 英文描述： | LOW POWER VOLTAGE REGULATOR |
| 中文描述： | 電壓模式開關(guān)電源控制器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 618K |
| 代理商： | UC2526DWTR |
ABSOLUTE MAXIMUM RATINGS
(Note 1, 2)
Input Voltage (+V
IN
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +40V
Collector Supply Voltage (+V
C
) . . . . . . . . . . . . . . . . . . . . . +40V
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +V
IN
Source/Sink Load Current (each output) . . . . . . . . . . . . . 200mA
Reference Load Current. . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Logic Sink Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Power Dissipation at T
A
= +25°C (Note 2). . . . . . . . . . 1000mW
Power Dissipation at T
C
= +25°C (Note 2). . . . . . . . . . 3000mW
Operating Junction Temperature . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range . . . . . . . . . . . . . . -65°C to +150°C
Lead Temperature (soldering, 10 seconds). . . . . . . . . . +300°C
Note 1: Values beyond which damage may occur.
Note 2: Consult packaging section of databook for thermal
limitations and considerations of package.
CONNECTION DIAGRAMS
UC1526
UC2526
UC3526
DIL-18, SOIC-18 (TOP VIEW)
J or N Package, DW Package
RECOMMENDED OPERATING CONDITIONS
(Note 3)
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +8V to +35V
Collector Supply Voltage . . . . . . . . . . . . . . . . . . . +4.5V to +35V
Sink/Source Load Current (each output). . . . . . . . . 0 to 100mA
Reference Load Current . . . . . . . . . . . . . . . . . . . . . . 0 to 20mA
Oscillator Frequency Range . . . . . . . . . . . . . . . . 1Hz to 400kHz
Oscillator Timing Resistor . . . . . . . . . . . . . . . . . . . 2k
to 150k
Oscillator Timing Capacitor . . . . . . . . . . . . . . . . . . . 1nF to 20
μ
F
Available Deadtime Range at 40kHz. . . . . . . . . . . . . 3% to 50%
Operating Ambient Temperature Range
UC1526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C
UC2526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -25°C to +85°C
UC3526 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0°C to +70°C
Note 3: Range over which the device is functional and
parameter limits are guaranteed.
PACKAGE PIN FUNCTION
FUNCTION
N/C
+Error
-Error
Comp.
SS
Reset
- Current Sense
Shutdown
R
TIMING
C
T
R
D
Sync
Output A
V
C
N/C
Ground
Output B
+V
IN
V
REF
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
_____
_________
PLCC-20, LCC-20
(TOP VIEW)
Q and L Packages
ELECTRICAL CHARACTERISTICS:
PARAMETER
TEST CONDITIONS
UC1526 / UC2526
MIN
TYP
UC3526
TYP
UNITS
MAX
MIN
MAX
Reference Section
(Note 4)
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
Total Output
Voltage Range
Short Circuit Current
Under -Voltage Lockout
RESET
Output Voltage
T
J
= + 25°C
+V
IN
= 8 to 35V
I
L
= 0 to 20mA
Over Operating T
J
Over Recommended
Operating Conditions
V
REF
= 0V
4.95
5.00
10
10
15
5.00
5.05
20
30
50
5.10
4.90
5.00
10
10
15
5.00
5.10
30
50
50
5.15
V
mV
mV
mV
V
4.90
4.85
25
50
100
25
50
100
mA
V
REF
= 3.8V
V
REF
= 4.8V
0.2
4.8
0.4
0.2
4.8
0.4
V
V
2.4
2.4
Note 4: I
L
= 0mA.
+V
IN
= 15V, and over operating ambient temperature, unless otherwise
specified, T
A
= T
J.
2
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| UC2526J | LOW POWER VOLTAGE REGULATOR |
| UC2526L | Low drop voltage regulator |
| UC2526N | Low drop voltage regulator |
| UC2526Q | Low drop voltage regulator |
| UC2526QTR | 5V, 500mA low drop voltage regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC2526DWTRG4 | 制造商:Texas Instruments 功能描述:VOLT MODE PWM CNTRLR 100MA 18SOIC - Tape and Reel |
| UC2526J | 制造商:Texas Instruments 功能描述:Voltage Mode PWM Controller 100mA 18-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:REG PULSE WIDTH MOD - Bulk |
| UC2526L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller |
| UC2526N | 功能描述:電壓模式 PWM 控制器 Regulating Pulse Width Modulator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| UC2526NG4 | 功能描述:電壓模式 PWM 控制器 Regulating Pulse Width Modulator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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