557电源芯片 TL431MSDT
价格：5.00起
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CUI Inc PDRB交流-直流DIN导轨电源
CUI Inc PDRB交流-直流DIN导轨电源具有集成保险丝以及浪涌、过压和过流保护特性。这些电源提供多种选项，包括5W至300W的输出功率选项、5VDC至48VDC的输出电压选项以及螺钉或弹簧端子选项。
特性
集成保险丝和浪涌保护
3,000Vac输入/输出隔离电压
直流ON/LOW LED指示灯
过压和过流保护
弹簧和螺钉端子选项
通过微调电位器 (Trim POT) 提供可调输出
通过UL/cUL、TUV、CE认证
规范
输出电压选项：5VDC至48VDC
输入电压：90Vac至264Vac
隔离电压：3000Vac
输出电流：0.21A至12.5A
输出功率选项：5W至300W
工作温度范围：-20°C至71°C
Charger input voltage from AC adapter. The AC pin can be left open or can be connected to AC 40 I
ground if the charger is not used.
AGND2 44 — Analog ground connection. All analog ground pins are connected internally on the chip.
ISET 37 I External charge current setting resistor connection for use with AC adapter
PG 11 O Indicates when a valid power supply is present for the charger (open drain)
Thermal Pad - — Connect the thermal pad to GND
TS 38 I Battery temperature sense input
Charger input voltage from USB port. The USB pin can be left open or can be connected to USB 43 I
ground if the charger is not used.
VBAT_A 41 I Sense input for the battery voltage. Connect directly with the battery.
VBAT_B 42 O Power output of the battery charger. Connect directly with the battery.
SWITCHING REGULATOR SECTION
AGND3 45 — Analog ground connection. All analog ground pins are connected internally on the chip.
L1_A 9
— Switch pin of VMAIN converter. The VMAIN inductor is connected here.
L1_B 10
L2 4 — Switch pin of VCORE converter. The VCORE inductor is connected here.
PGND1_A 15
— Power ground for VMAIN converter
PGND1_B 16
PGND2 46 — Power ground for VCORE converter
Power supply for digital and analog circuitry of MAIN and CORE DC-DC converters. This
VCC 6 I must be connected to the same voltage supply as VINCORE and VINMAIN. Also supplies
serial interface block
VCORE 48 I VCORE feedback voltage sense input, connect directly to VCORE
Input voltage for VCORE step-down converter. This must be connected to the same voltage VINCORE 5 I
supply as VINMAIN and VCC.
VINMAIN_A 7 Input voltage for VMAIN step-down converter. This must be connected to the same voltage I
VINMAIN_B 8 supply as VINCORE and VCC.
VMAIN 13 I VMAIN feedback voltage sense input, connect directly to VMAIN
LDO REGULATOR SECTION
AGND1 21 — Analog ground connection. All analog ground pins are connected internally on the chip.
VFB_LDO1 23 I Feedback input from external resistive divider for LDO1
VINLDO1 22 I Input voltage for LDO1
VINLDO2 19 I Input voltage for LDO2
VLDO1 24 O Output voltage for LDO1
VLDO2 20 O Output and feedback voltage for LDO2
DRIVER SECTION
LED2 2 O LED driver, with blink rate programmable via serial interface
VIB 3 O Vibrator driver, enabled via serial interface
CONTROL AND I2C SECTION
BATT_COVER 39 I Indicates if battery cover is in place
DEFCORE 1 I Input signal indicating default VCORE voltage, 0 = 1.3 V, 1 = 1.6 V
DEFMAIN 12 I Input signal indicating default VMAIN voltage, 0 = 1.8 V, 1 = 3.3 V
GPIO1 26 I/O General-purpose open-drain input/output
GPIO2 25 I/O General-purpose open-drain input/output
GPIO3 18 I/O General-purpose open-drain input/output
GPIO4 17 I/O General-purpose open-drain input/output
HOT_RESET 31 I Push-button reset input used to reboot or wakeup processor via TPS65013
NA195AIDBVR，类型:放大器，功率:正常，用途:功放，封装:SOT23-5，批号:15+，特色服务:配单，可开，应用领域:网络通信，产品说明:原装现货，货号:INA195A，是否跨境货源:否，包装:3000。【TI代理】INA195AIDBVRINA195德州二三极管放大器IC集成电路
7.5 Electrical Characteristics
over operating junction temperature (TJ = –40°C to 125°C), typical values at VIN = 12 V and TA=25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
VIN Input voltage range(1) 3 17 V
IQ Operating quiescent current EN=High, IOUT = 0 mA,
device not switching
17 30
µA
TA = -40°C to +85°C 17 25
ISD Shutdown current(2) EN=Low
1.5 25
µA
TA = -40°C to +85°C 1.5 4
VUVLO Undervoltage lockout threshold
Falling Input Voltage (PWM mode operation) 2.6 2.7 2.8 V
Hysteresis 200 mV
TSD Thermal shutdown temperature 160
°C
Thermal shutdown hysteresis 20
CONTROL (EN, DEF, FSW, SS/TR, PG)
VH
High level input threshold voltage (EN,
DEF, FSW) 0.9 0.65 V
VL Low level input threshold voltage (EN,
DEF, FSW)
0.45 0.3 V
ILKG Input leakage current (EN, DEF, FSW) EN=VIN or GND; DEF, FSW=VOUT or GND 0.01 1 µA
VTH_PG Power good threshold voltage
Rising (%VOUT) 92% 95% 98%
Falling (%VOUT) 87% 90% 94%
VOL_PG Power good output low IPG=–2mA 0.07 0.3 V
ILKG_PG Input leakage current (PG) VPG=1.8V 1 400 nA
ISS/TR SS/TR pin source current 2.3 2.5 2.7 µA
POWER SWITCH
RDS(ON)
High-side MOSFET ON-resistance
VIN≥6V 90 170
mΩ
VIN=3V 120
Low-side MOSFET ON-resistance
VIN≥6V 40 70
mΩ
VIN=3V 50
ILIMF
High-side MOSFET forward current
limit(3)
VIN =12V, TA= 25°C
3.6 4.2 4.9 A
OUTPUT
ILKG_FB Input leakage current (FB) TPS62130, VFB=0.8V 1 100 nA
VOUT
Output voltage range (TPS62130) VIN ≥ VOUT 0.9 6.0 V
DEF (Output voltage programming) DEF=0 (GND) VOUT
DEF=1 (VOUT) VOUT+5%
Initial output voltage accuracy(4)
PWM mode operation, VIN ≥ VOUT +1V 785.6 800 814.4
mV PWM mode operation, VIN ≥ VOUT +1V,
TA = –10°C to 85°C
788.0 800 812.8
Power Save Mode operation, COUT=22µF 781.6 800 822.4
Tracking Feedback Voltage (TPS62130) VSS/TR = 350mV 212.6 225 237.4 mV
Load regulation(5) VIN=12V, VOUT=3.3V, PWM mode operation 0.05 %/A
Line regulation(5) 3V ≤ VIN ≤ 17V, VOUT=3.3V, IOUT= 1A, PWM
mode operation 0.02 %/V
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