參數(shù)資料
型號(hào)： UCC2581D
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： Very low drop voltage regulators with inhibit
文件頁(yè)數(shù)： 2/9頁(yè)
文件大?。?/td> 241K
代理商： UCC2581D
2
UCC1581
UCC2581
UCC3581
Supply Voltage (I
DD
≤
10mA) . . . . . . . . . . . . . . . . . . . . . . . . 15V
Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
V
REF
Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10mA
OUT Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
1A
Analog Inputs
EN. . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3V to (VDD + 0.3V)
VC, ISEN, SYNC, DCMIN. . . . . . . . . . –0.3V to (V
REF
+ 0.3V)
Power Dissipation at T
D
= 25°C
(N, J, Q, L Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
(D Package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.65W
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . –55C to +150°C
Lead Temperature (Soldering, 10 sec.). . . . . . . . . . . . . +300°C
Unless otherwise specified, all voltages are with respect to
Ground. Currents positive into, negative out of the specified ter-
minal. Consult Packaging Section of Databook for thermal limi-
tations and considerations of packages.
ABSOLUTE MAXIMUM RATINGS
CONNECTION DIAGRAMS
DIL-14, SOIC-14 (Top View)
N or J, D Packages
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for VDD = 10V, 0.1
μ
F capacitor
from VDD to GND, 1.0
μ
F capacitor from REF to GND, RT1 = 680k
, RT2 = 12k
, CT = 750pF and T
A
= T
J
.
PARAMETER
Reference Section
Output Voltage
I = –0.2mA
Load Regulation
–5.0mA < I < –0.2mA
Undervoltage Lockout Section
Start Threshold
Minimum Operating Voltage After Start
Hysteresis
Linear Preregulator Section
Regulated VDD Voltage
Regulated VDD to UVLO Delta
VDD Override Threshold
Oscillator Section
Frequency
25°C
Temperature Stability
(Note 1)
CT Peak Voltage
(Note 1)
CT Valley Voltage
(Note 1)
SYNC VIH
SYNC VIL
(Note 1)
PWM SECTION
Maximum Duty Cycle
Minimum Duty Cycle
(VC < 1.0V) DCMIN = 0V
(VC > 1.0V at start of cycle) DCMIN = 1.18V
Input Bias Current
(DCMIN), (Note 1)
(VC), (Note 1)
TEST CONDITIONS
MIN
TYP
MAX
UNITS
3.94
4.0
10
4.06
30
V
mV
6.7
6.2
0.2
7.3
6.8
0.5
7.9
7.4
0.8
V
V
V
7.0
100
7.5
230
8.0
600
8.2
V
mV
V
18
19.5
3.0
2.5
1.0
2.1
1.8
21
kHz
%
V
V
V
V
1.9
2.3
81
84
87
0
13
150
150
%
%
%
nA
nA
7
10
20
20
–150
–150
TEMPERATURE RANGE
–55°C to +125°C
–40°C to +85°C
–40°C to +85°C
0°C to +70°C
0°C to +70°C
PACKAGE
CDIP
SOIC
PDIP
SOIC
PDIP
UCC1581J
UCC2581D
UCC2581N
UCC3581D
UCC3581N
ORDERING INFORMATION
相關(guān)PDF資料
PDF描述
UCC2626DW Very low drop voltage regulators with inhibit
UCC2626N Very low drop voltage regulators with inhibit
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UCC3626DW 1.2 V to 37 V adjustable voltage regulators
UCC3626N 1.2 V to 37 V adjustable voltage regulators
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UCC2581DG 制造商:Texas Instruments 功能描述:
UCC2581DG4 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Micropower 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(kāi)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
UCC2581DTR 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Micropower 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(kāi)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
UCC2581DTRG4 功能描述:電壓模式 PWM 控制器 Voltage-Mode PWM Micropower 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(kāi)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
UCC2581J 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:Micropower Voltage Mode PWM
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