- 您现在的位置：买卖IC网 > PDF目录69510 > TPS53126PW (TEXAS INSTRUMENTS INC) 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24 PDF资料下载
参数资料
| 型号： | TPS53126PW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | PLASTIC, TSSOP-24 |
| 文件页数： | 27/30页 |
| 文件大小： | 899K |
| 代理商： | TPS53126PW |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页当前第27页第28页第29页第30页
DEVICE INFORMATION
SLUS909 – MAY 2009........................................................................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over recommended free-air temperature range, VIN = 12 V (Unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
TCITRIP
ITRIP temperature coefficient
On the basis of 25°C(2)
4000
ppm/°C
(VTRIPx-GND-VPGNDx-SWx) voltage,
–15
0
15
VTRIPx-GND = 60 mV, TA = 25°C
VOCLoff
OCP compensation offset
mV
(VTRIPx-GND-VPGNDx-SWx) voltage,
–20
20
VTRIPx-GND = 60 mV
Current limit threshold setting
VRtrip
VTRIPx-GND voltage
30
300
mV
range
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
VOVP
Output OVP trip threshold
OVP detect
110%
115%
120%
TOVPDEL
Output OVP prop delay time
1.5
s
UVP detect
65%
70%
75%
VUVP
Output UVP trip threshold
Hysteresis (recovery < 20
s)
10%
TUVPDEL
Output UVP delay time
17
30
40
s
TUVPEN
Output UVP enable delay time
UVP enable delay
1.2
2
2.5
ms
THERMAL SHUTDOWN
Shutdown temperature(3)
150
TSDN
Thermal shutdown threshold
°C
Hysteresis(3)
20
(2)
Ensured by design. Not production tested.
(3)
Ensured by design. Not production tested.
PIN FUNCTIONS
PIN
I/O
DESCRIPTION
QFN
TSSOP
NAME
24
Supply input for high-side NFET driver (Boost Terminal). Bypass to SWx with a
VBST1,
23, 8
2, 11
I
high-quality 0.1
F ceramic capacitor. An external schottky diode can be added if forward
VBST2
drop is critical to drive the high-side FET.
EN1, EN2
24, 7
3, 10
I
Channel 1 and channel 2 high level enable pins.
Output voltage inputs for on-time adjustment and output discharge. Connect directly to the
VO1, VO2
1, 6
4, 9
I
output voltage.
VFB1,
2, 5
5, 8
I
D-CAP2 feedback inputs. Connect to output voltage with resistor divider.
VFB2
GND
3
6
I
Signal ground pin. Connect to PGND1, PGND2 and system ground at a single point.
DRVH1,
High-side MOSFET gate driver outputs. SWx referenced drivers switch between SWx
22, 9
1, 12
O
DRVH2
(OFF) and VBSTx (ON).
SW1, SW2
21, 10
24, 13
I/O
Switch node connections for both the high-side drivers and the current comparators.
DRVL1,
Low-side MOSFET gate driver outputs. PGND referenced drivers switch between PGNDx
20, 11
23, 14
O
DRVL2
(OFF) and VREG5 (ON).
PGND1,
Power ground connections for both the low-side drivers and the current comparators.
19, 12
22, 15
I/O
PGND2
Connect PGND1, PGND2 and GND strongly together near the IC.
TRIP1,
Over current trip point programming pin. Connect to GND with a resistor to GND to set
18, 13
21, 16
I
TRIP2
threshold for low-side RDS(on) current limit.
VIN
17
20
I
Supply Input for 5V linear regulator.
5V supply input for the entire control circuit except the MOSFET drivers. Bypass to GND
V5FILT
15
18
I
with a minimum 1.0
F, high-quality ceramic capacitor. V5FILT is connected to VREG5 via
an internal 10
resistor.
Output of 5V linear regulator and supply for MOSFET drivers. Bypass to GND with a
VREG5
16
19
O
minimum 4.7
F high-quality ceramic capacitor. VREG5 is connected to V5FILT via an
internal 10
resistor.
6
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS53126
相关PDF资料 |
PDF描述 |
|---|---|
| TPS53129PWR | DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24 |
| TPS53129RGET | DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC24 |
| TPS53315RGFR | SWITCHING REGULATOR, 1070 kHz SWITCHING FREQ-MAX, PQCC40 |
| TPS53321RGTR | SWITCHING REGULATOR, 1210 kHz SWITCHING FREQ-MAX, PQCC16 |
| TPS53321RGTT | SWITCHING REGULATOR, 1210 kHz SWITCHING FREQ-MAX, PQCC16 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS53126PWR | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53126RGER | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53126RGET | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53127 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS |
| TPS53127_1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS |
发布紧急采购，3分钟左右您将得到回复。