ZHCS309D January   2008  – October 2016 TPS62560 , TPS62561 , TPS62562

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Dynamic Voltage Positioning
      2. 8.3.2 Undervoltage Lockout
      3. 8.3.3 Mode Selection
      4. 8.3.4 Enable
      5. 8.3.5 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Soft-Start
      2. 8.4.2 Power-Save Mode
        1. 8.4.2.1 100% Duty-Cycle Low-Dropout Operation
        2. 8.4.2.2 Short-Circuit Protection
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Output Voltage Setting
        2. 9.2.2.2 Output Filter Design (inductor and Output Capacitor)
          1. 9.2.2.2.1 Inductor Selection
          2. 9.2.2.2.2 Output Capacitor Selection
          3. 9.2.2.2.3 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Examples
  12. 12器件和文档支持
    1. 12.1 器件支持
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 相关链接
    3. 12.3 接收文档更新通知
    4. 12.4 社区资源
    5. 12.5 商标
    6. 12.6 静电放电警告
    7. 12.7 Glossary
  13. 13机械、封装和可订购信息

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

7 Specifications

7.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
Input voltage range(2) –0.3 7 V
Voltage range at EN, MODE –0.3 VIN +0.3, ≤ 7
Voltage on SW –0.3 7
Peak output current Internally limited A
TJ Maximum operating junction temperature –40 125 °C
Tstg Storage temperature –65 150 °C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to the network ground terminal.
(3) The human-body model is a 100-pF capacitor discharged through a 1.5-kΩ resistor into each terminal. The machine model is a 200-pF capacitor discharged directly into each terminal.

7.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge(3) Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±1000
Machine model ±200
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Manufacturing with less than 500-V HBM is possible with the necessary precautions.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. Manufacturing with less than 250-V CDM is possible with the necessary precautions.

7.3 Recommended Operating Conditions

MIN MAX UNIT
VIN Supply voltage 2.5 5.5 V
VOUT Output voltage range for adjustable voltage 0.85 VIN V
TA Operating ambient temperature –40 85 °C
TJ Operating junction temperature –40 125 °C

7.4 Thermal Information

THERMAL METRIC(1) TPS62560, TPS62562 TPS62561 UNIT
DRV (SON) DDC (SOT)
6 PINS 5 PINS
RθJA Junction-to-ambient thermal resistance 67.8 226.9 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 88.5 40.7 °C/W
RθJB Junction-to-board thermal resistance 37.2 48.8 °C/W
ψJT Junction-to-top characterization parameter 2.0 0.5 °C/W
ψJB Junction-to-board characterization parameter 37.6 48.1 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance 7.9 n/a °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

Over full operating ambient temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply for condition VIN = EN = 3.6 V. External components CIN = 4.7 μF 0603, COUT = 10 μF 0603, L = 2.2 μH
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
VIN Input voltage range 2.5 5.5 V
IOUT Output current VIN 2.5 V to 5.5 V 600 mA
IQ Operating quiescent current IOUT = 0 mA, PFM mode enabled
(MODE = GND), device not switching		 15 μA
IOUT = 0 mA, PFM mode enabled
(MODE = GND), device switching, VOUT = 1.8 V, See (1) 		18.5
IOUT = 0 mA, switching with no load
(MODE = VIN), PWM operation, VOUT = 1.8 V,
VIN = 3 V		 3.8 mA
ISD Shutdown current EN = GND 0.5 μA
UVLO Undervoltage lockout threshold Falling 1.85 V
Rising 1.95
ENABLE, MODE
VIH High-level input voltage, EN, MODE 2 V ≤ VIN ≤ 5.5 V 1 VIN V
VIL Low-level input voltage, EN, MODE 2 V ≤ VIN ≤ 5.5 V 0 0.4 V
IIN Input bias current, EN, MODE EN, MODE = GND or VIN 0.01 1 μA
POWER SWITCH
RDS(on) High side MOSFET on-resistance VIN = VGS = 3.6 V, TA = 25°C 252 492 mΩ
Low side MOSFET on-resistance 194 391
ILIMF Forward current limit, high and low side MOSFET VIN = VGS = 3.6 V 0.8 1 1.2 A
TSD Thermal shutdown Increasing junction temperature 140 °C
Thermal-shutdown hysteresis Decreasing junction temperature 20
OSCILLATOR
fSW Oscillator frequency 2 V ≤ VIN ≤ 5.5 V 2.25 MHz
OUTPUT
VOUT Adjustable-output voltage range 0.85 VIN V
VOUT TPS62562 fixed output voltage VIN ≥ 1.8 V 1.8 V
Vref Reference voltage 600 mV
VFB Feedback voltage, PWM mode MODE = VIN, PWM operation, for fixed-output-voltage versions VFB = VOUT,
2.5 V ≤ VIN  ≤ 5.5 V, 0 mA ≤ IOUT ≤ 600 mA (3) 		–2.5% 0% 2.5%
Feedback voltage, PFM mode MODE = GND, device in PFM mode, voltage positioning active(1) 1%
Load regulation PWM mode –1 %/A
tStart Up Start-up time Time from active EN to reach 95% of VOUT nominal 500 μs
tRamp VOUT ramp-up time Time to ramp from 5% to 95% of VOUT 250 μs
Ilkg Leakage current into SW terminal VIN = 3.6 V, VIN = VOUT = VSW, EN = GND (2) 0.5 1 μA
(1) In PFM mode, the internal reference voltage is set to typ. 1.01 × Vref. See the section.
(2) In fixed-output-voltage versions, the internal resistor divider network is disconnected from the FB terminal.
(3) For VIN = VOUT + 0.6 V

7.6 Typical Characteristics

TPS62560 TPS62561 TPS62562 isd_v_vin_lvs897.gif Figure 1. Shutdown Current into VIN vs Input Voltage
TPS62560 TPS62561 TPS62562 g012_lvs815.gif Figure 3. Static Drain-Source ON-State Resistance
TPS62560 TPS62561 TPS62562 iq_v_vin_lvs815.gif Figure 2. Quiescent Current vs Input Voltage
TPS62560 TPS62561 TPS62562 rds_ls_vin_lvs815.gif Figure 4. Static Drain-Source ON-State Resistance vs Input Voltage