参数资料
型号: UCC35706DTR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 0.02 A SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO8
封装: GREEN, PLASTIC, MS-012AA, SOP-8
文件页数: 15/21页
文件大小: 604K
代理商: UCC35706DTR
UCC25705, UCC25706, UCC35705, UCC35706
HIGH-SPEED VOLTAGE MODE PULSE WIDTH MODULATOR
SLUS473B -- NOVEMBER 1999 -- REVISED OCTOBER 2010
3
www.ti.com
electrical characteristics, VDD =11V, VIN =30 V,RT =47 k,RDISCH = 400 k, RFF =14 k,CT = 220 pF,
CVDD =0.1 μF, and no load on the outputs, 0°C ≤ TA ≤ 70°C for the UCC3570x and --40°C ≤ TA ≤ 85°C
for the UCC2570x, TA =TJ, (unless otherwise specified)
line sense section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Low line comparator threshold
0.95
1.00
1.05
V
Input bias current (VFF)
–100
100
nA
oscillator section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Frequency
VFF = 1.2 V to 4.8 V
0.9
1.0
1.1
MHz
CT peak voltage
VFF = 1.2 V,
See Note 1
1.2
V
CT peak voltage
VFF = 4.8 V,
See Note 1
4.8
V
CT valley voltage
SeeNote1
0
V
NOTE 1: Ensured by design. Not production tested.
current limit section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input bias current
0.2
–0.2
–1
μA
Current limit threshold
180
200
220
mV
Propagation delay, ILIM to OUT
50 mV overdrive
25
35
ns
pulse width modulator section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
FB input impedance
VFB =3V
30
50
90
k
Minimum duty cycle
VFB <2V
0
%
Ma im m d t c cle
VFB =VDD,FOSC =1MHz
70
75
80
%
Maximum duty cycle
VDISCH =0V,
FOSC =1MHz
93
%
PWM gain
VFF = 2.5 V,
MODE = 1
12
%/V
Propagation delay, PWM to OUT
65
120
ns
output section
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VOH
IOUT =–5mA,
VDD – output
0.3
0.6
V
VOL
IOUT =5mA
0.15
0.4
V
Rise time
CLOAD =50pF
10
25
ns
Fall time
CLOAD =50pF
10
25
ns
相关PDF资料
PDF描述
UCC3825ADW 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
UCK4-TDY 4-OUTPUT 600 W AC-DC PWR FACTOR CORR MODULE
UDA1330ATS/N2,112 Low-cost stereo filter DAC; Package: SOT369-1 (SSOP16); Container: Tube
UDA1330ATS/N2,118 Low-cost stereo filter DAC; Package: SOT369-1 (SSOP16); Container: Reel Pack, SMD, 13&quot;
UDA1334ATS/N2,112 Low power audio DAC with PLL; Package: SOT369-1 (SSOP16); Container: Tube
相关代理商/技术参数
参数描述
UCC35706DTRG4 功能描述:电压模式 PWM 控制器 High Speed Vltg Mode RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC35706P 功能描述:电压模式 PWM 控制器 High Speed Vltg Mode RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC35706PG4 功能描述:电压模式 PWM 控制器 High Speed Vltg Mode RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC3570D 功能描述:电压模式 PWM 控制器 Lo Pwr PWM RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel
UCC3570DG4 功能描述:电压模式 PWM 控制器 Lo Pwr PWM RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel