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参数资料
| 型号： | TL1454ACDG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, SOIC-16 |
| 文件页数： | 25/25页 |
| 文件大小： | 503K |
| 代理商： | TL1454ACDG4 |
TL1454A, TL1454AY
DUALCHANNEL PULSEWIDTHMODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A MAY 2002 REVISED SEPTEMBER 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 6 V,
fosc = 500 kHz (unless otherwise noted) (continued)
oscillator
PARAMETER
TEST CONDITIONS
TL1454A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fosc
Frequency
CT = 120 pF,
RT = 10 k
500
kHz
Standard deviation of frequency
50
kHz
Frequency change with voltage
VCC = 3.6 V to 20 V,
TA = 25°C
10
kHz
Frequency change with temperature
TA = TA(min) to 25°C
2
±30
kHz
Frequency change with temperature
TA = 25°C to 85°C
10
±30
kHz
Maximum ramp voltage
1.8
V
Minimum ramp voltage
1.1
V
dead-time control (DTC)
PARAMETER
TEST CONDITIONS
TL1454A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT
Input threshold voltage
Duty cycle = 0%
0.98
1.1
1.22
V
VIT
Input threshold voltage
Duty cycle = 100%
0.38
0.5
0.62
V
VI(latched) Latched-mode input voltage
1.2
V
IIB
Common-mode input bias current
DTC1, IN1+
≈ 1.2 V
4
A
Latched-mode (source) current
TA = 25°C
100
A
error-amplifier
PARAMETER
TEST CONDITIONS
TL1454A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIO
Input offset voltage
6
mV
IIO
Input offset current
VO = 1.25 V,
VIC = 1.25 V
100
nA
IIB
Input bias current
VO = 1.25 V,
VIC = 1.25 V
160
500
nA
VICR
Input voltage range
VCC = 3.6 V to 20 V
0.2 to 1.40
V
AV
Open-loop voltage gain
RFB = 200 k
70
80
dB
Unity-gain bandwidth
3
MHz
CMRR
Common-mode rejection ratio
60
80
dB
VOM(max) Positive output voltage swing
2.3
2.43
V
VOM(min)
Negative output voltage swing
0.63
0.8
V
IO+
Output sink current
VID = 0.1 V,
VO = 1.20 V
0.1
0.5
mA
IO
Output source current
VID = 0.1 V,
VO = 1.80 V
45
70
A
output
PARAMETER
TEST CONDITIONS
TL1454A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IO = 8 mA
VCC2
4.5
VOH
High-level output voltage
IO = 8 mA @ VCC = >10 V
VCC2.3 V
V
VOH
High-level output voltage
IO = 40 mA
VCC2
4.4
V
IO = 40 mA @ VCC = >10 V
VCC2.3 V
VOL
Low-level output voltage
IO = 8 mA
0.1
0.4
V
VOL
Low-level output voltage
IO = 40 mA
1.8
2.5
V
trv
Output voltage rise time
CL = 2000 pF,
TA = 25°C
220
ns
tfv
Output voltage fall time
CL = 2000 pF,
TA = 25°C
220
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL1454ACDR | 功能描述:DC/DC 开关控制器 Dual-Ch PWM Control Circuit RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TL1454ACDRG4 | 功能描述:DC/DC 开关控制器 Dual-Ch PWM Control Circuit RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TL1454ACN | 功能描述:DC/DC 开关控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TL1454ACNE4 | 功能描述:DC/DC 开关控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TL1454ACNS | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT |
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