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参数资料
| 型号： | TPS61085DGKT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, MSOP-8 |
| 文件页数： | 20/25页 |
| 文件大小： | 781K |
| 代理商： | TPS61085DGKT |
PIN ASSIGNMENT
SS
FREQ
IN
SW
PGND
COMP
FB
EN
8-PIN4.9mmx3mmx1.1mmMSOP (DGK)
8-PIN6.4mmx3mmx1.2mm TSSOP (PW)
1
2
3
4
8
7
6
5
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
SLVS859 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com
DGK, PW PACKAGES
(TOP VIEW)
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
COMP
1
I/O
Compensation pin
FB
2
I
Feedback pin
EN
3
I
Shutdown control input. Connect this pin to logic high level to enable the device
PGND
4
Power ground
SW
5
Switch pin
IN
6
Input supply pin
FREQ
7
I
Frequency select pin. The power switch operates at 650 kHz if FREQ is connected to GND and at 1.2 MHz if
FREQ is connected to IN
SS
8
Soft-start control pin. Connect a capacitor to this pin if soft-start needed. Open = no soft-start
FIGURE
η
Efficiency
vs Load current, VS = 12 V, VIN = 3.3V
Figure 1
η
Efficiency
vs Load current, VS = 9 V, VIN = 3.3 V
Figure 2
PWM switching - discontinuous conduction
Figure 3
PWM switching - continuous conduction
Figure 4
Load transient response
at High frequency
Figure 5
Load transient response
at Low frequency
Figure 6
Soft-start
Figure 7
Supply current
vs Supply voltage
Figure 8
Frequency
vs Load current
Figure 9
Frequency
vs Supply voltage
Figure 10
4
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS61085
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| TPS61085DGKTG4 | 功能描述:直流/直流开关调节器 650kHz 1.2MHz Step- Up DC-DC Cnvrtr RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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| TPS61085PWR | 功能描述:直流/直流开关调节器 650kHz 1.2MHz Step- Up DC-DC Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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