Datasheet > 电源电路 > 开关式稳压器或控制器> 5962-9326102M2A

5962-9326102M2A

更新时间： 2024-02-27 10:03:10

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关式稳压器或控制器电源电路开关式控制器
页数	文件大小	规格书
18页	741K
描述
ADVANCED HIGH-POWER FACTOR PREREGULATOR

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5962-9326102M2A 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	QLCC
包装说明：	CERAMIC, LCC-20	针数：	20
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.79
Is Samacsys：	N	模拟集成电路 - 其他类型：	POWER FACTOR CONTROLLER
控制模式：	CURRENT-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	20 V	最小输入电压：	10 V
标称输入电压：	18 V	JESD-30 代码：	S-CQCC-N20
长度：	8.89 mm	功能数量：	1
端子数量：	20	最高工作温度：	125 °C
最低工作温度：	-55 °C	最大输出电流：	1.5 A
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	QCCN
封装等效代码：	LCC20,.35SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	峰值回流温度（摄氏度）：	NOT SPECIFIED
认证状态：	Not Qualified	筛选级别：	MIL-STD-883
座面最大高度：	2.03 mm	子类别：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	BOOST
最大切换频率：	120 kHz	技术：	BIPOLAR
温度等级：	MILITARY	端子形式：	NO LEAD
端子节距：	1.27 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	8.89 mm
Base Number Matches：	1

5962-9326102M2A 数据手册

UC1854A

UC2854A, UC2854B

UC3854A, UC3854B

www.ti.com

SLUS329E–MONTH 2003–REVISED JANUARY 2008

TERMINAL FUNCTIONS

TERMINAL

PACKAGES

I/O

DESCRIPTION

NAME

J/N/DW

Q/L

Output of the wide bandwidth current amplifier and one of the inputs to the PWM duty-cycle

comparator. The output signal generated by this amplifier commands the PWM to force the correct

input current. The output can swing from 0.1 V to 7.5 V.

CAO

Capacitor from CT to GND sets the PWM oscillator frequency.

A nominal voltage above 2.65 V on this pin allows the device to begin operating. Once operating,

the device shuts off if this pin goes below 2.15 V nominal.

ENA

All bypass and timing capacitors connected to GND should have leads as short and direct as

possible. All voltages are measured with respect GND.

GND

–

Output of the PWM is a 1.5-A peak totem-pole MOSFET gate driver on GTDRV. Use a series gate

resistor of at least 5 Ω to prevent interaction between the gate impedance and the GTDRV output

driver that might cause the GTDRV output to overshoot excessively. Some overshoot of the

GTDRV output is always expected when driving a capacitive load.

GTDRV

Current input to the multiplier, proportional to the instantaneous line voltage. This input to the

analog multiplier is a current. The multiplier is tailored for very low distortion from this current input

(IAC) to MOUT, so this is the only multiplier input that should be used for sensing instantaneous

line voltage.

IAC

Switch current sensing input. This is the inverting input to the current amplifier. This input and the

non-inverting input MOUT remain functional down to and below GND. Care should be taken to

avoid taking these inputs below –0.5 V, because they are protected with diodes to GND.

ISENSE

Multiplier output and current sense plus. The output of the analog multiplier and the non-inverting

input of the current amplifier are connected together at MOUT. The cautions about taking ISENSE

below –0.5 V also apply to MOUT. As the multiplier output is a current, this is a high-impedance

input similar to I_SENSE, so the current amplifier can be configured as a differential amplifier to reject

GND noise. I_MOUT≤ 2 × I_AC

MOUT

I/O

Peak limit. The threshold for PKLMT is 0.0 V. Connect this input to the negative voltage on the

current sense resistor. Use a resistor to REF to offset the negative current sense signal up to GND.

PKLMT

RSET

Oscillator charging current and multiplier limit set. A resistor from RSET to ground programs

oscillator charging current.

Soft-start. SS remains at GND as long as the device is disabled or V_CCis too low. SS pulls up to

over 3 V by an internal 14-µA current source when both V_CCbecomes valid and the device is

enabled. SS acts as the reference input to the voltage amplifier if SS is below VREF. With a large

capacitor from SS to GND, the reference to the voltage regulating amplifier rises slowly, and

increase the PWM duty cycle slowly. In the event of a disable command or a supply dropout, SS

will quickly discharge to ground and disable the PWM.

VAO

VCC

Voltage amplifier output

Positive supply rail

Used to set the peak limit point and as an internal reference for various device functions. This

voltage must be present for the device to operate.

VREF

One of the inputs into the multiplier. This pin provides the input RMS voltage to the multiplier

circuitry.

VRMS

This pin provides the feedback from the output. This input goes into the voltage error amplifier and

the output of the error amplifier is another of the inputs into the multiplier circuit.

VSENSE

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Product Folder Link(s): UC1854A UC2854A, UC2854B UC3854A, UC3854B

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