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参数资料
| 型号： | TL594CDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, MS-012AC, SOIC-16 |
| 文件页数： | 17/21页 |
| 文件大小： | 646K |
| 代理商： | TL594CDR |
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SWITCHING CHARACTERISTICS
PARAMETER MEASUREMENT INFORMATION
+
-
+
-
VI
Vref
FEEDBACK
Amplifier Under Test
Other Amplifier
PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS052G – APRIL 1988 – REVISED JANUARY 2007
ELECTRICAL CHARACTERISTICS (continued)
V
CC = 15 V, over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP(2)
MAX
UNIT
PWM Comparator Section (see Figure 2)
Input threshold voltage, FEEDBACK
Zero duty cycle
4
4.5
V
Input sink current, FEEDBACK
FEEDBACK = 0.5 V
0.3
0.7
mA
Undervoltage Lockout Section (see Figure 2)
TA = 25°C
6
Threshold voltage
V
T
A = MIN to MAX
3.5
6.9
Hysteresis(6)
100
mV
Overall Device
VCC = 15 V
9
15
RT at Vref,
Standby supply current
mA
All other inputs and outputs open
VCC = 40 V
11
18
Average supply current
DTC = 2 V, See Figure 2
12.4
mA
(6)
Hysteresis is the difference between the positive-going input threshold voltage and the negative-going input threshold voltage.
V
CC = 15 V, TA = 25°C, over recommended operating conditions (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output-voltage rise time
100
200
ns
Common-emitter configuration (see Figure 3)
Output-voltage fall time
30
100
ns
Output-voltage rise time
200
400
ns
Emitter-follower configuration (see Figure 4)
Output-voltage fall time
45
100
ns
Figure 1. Amplifier-Characteristics Test Circuit
5
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相关代理商/技术参数 |
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| TL594CDR2 | 功能描述:电压模式 PWM 控制器 40kHz 200mA 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 |
| TL594CDR2G | 功能描述:电压模式 PWM 控制器 40kHz 200mA PWM w/48% Duty Cycle Max 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 |
| TL594CDRE4 | 功能描述:电压模式 PWM 控制器 Control Circuit 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 |
| TL594CDRG3 | 制造商:TI 制造商全称:Texas Instruments 功能描述:PULSE-WIDTH-MODULATION CONTROL CIRCUIT |
| TL594CDRG4 | 功能描述:电压模式 PWM 控制器 PWM Control Circuit 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 |
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