ZHCSK10C July   2019  – September 2022 TPS7A03

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Excellent Transient Response
      2. 7.3.2 Active Discharge (P-Version Only)
      3. 7.3.3 Low IQ in Dropout
      4. 7.3.4 Smart Enable
      5. 7.3.5 Dropout Voltage
      6. 7.3.6 Foldback Current Limit
      7. 7.3.7 Undervoltage Lockout (UVLO)
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Recommended Capacitor Types
      2. 8.1.2 Input and Output Capacitor Requirements
      3. 8.1.3 Load Transient Response
      4. 8.1.4 Undervoltage Lockout (UVLO) Operation
      5. 8.1.5 Power Dissipation (PD)
        1. 8.1.5.1 Estimating Junction Temperature
        2. 8.1.5.2 Recommended Area for Continuous Operation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Examples
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Device Nomenclature
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, Packaging, and Orderable Information

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6.5 Electrical Characteristics

Specified at TJ = –40°C to +125°C, VIN = VOUT(nom) + 0.5 V or 2.0 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and CIN = COUT = 1 µF (unless otherwise noted). Typical values are at TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Nominal accuracy TJ = 25°C, VOUT ≥ 1.5 V, 1 µA(3) ≤ IOUT ≤ 1 mA –1 1 %
TJ = 25°C; VOUT < 1.5 V –15 15 mV
Accuracy over temperature VOUT ≥ 1.5 V TJ = –40°C to +125°C –1.5 1.5 %
VOUT < 1.5 V –20 20 mV
ΔVOUT(ΔVIN) Line regulation VOUT(nom) + 0.5 V ≤ VIN ≤ 6.0 V(1)
 		 TJ = –40°C to +125°C 5 mV
ΔVOUT(ΔIOUT) Load regulation(2)
1 mA ≤ IOUT ≤ 200 mA,
VIN = VOUT(nom) + 0.5 V(1)
 		 TJ = –40°C to +85°C 20 38 mV
TJ = –40°C to +125°C 50
IGND Ground current
 IOUT = 0 mA TJ = 25°C 200 250 nA
TJ = –40°C to +85°C 300
IGND/IOUT Ground current vs load current
 20 µA ≤ IOUT < 1 mA TJ = 25°C 1 %
1 mA ≤ IOUT ≤ 100 mA 0.25
IOUT ≥ 100 mA 0.15
IGND(DO) Ground current in dropout(3)
 IOUT = 0 mA, VIN = 95% x VOUT(NOM)
 		 TJ = 25°C 220 nA
ISHDN Shutdown current VEN = 0 V, 1.5 V ≤ VIN ≤ 5.0 V, TJ = 25°C 3 10 nA
ICL Output current limit VOUT = 90% × VOUT(nom) VOUT < 2.5V,
VIN = VOUT(nom) + VDO(max) + 1.0 V		 240 450 750 mA
VOUT ≥ 2.5V,
VIN = VOUT(nom) + VDO(max) + 0.5 V		 240 450 750 mA
ISC Short-circuit current limit VOUT = 0 V 65 mA
VDO Dropout voltage(4) TJ = –40°C to +85°C 0.8 V ≤ VOUT < 1.0 V 1050 mV
1.0 V ≤ VOUT < 1.2 V 790
1.2 V ≤ VOUT < 1.5 V 650
1.5 V ≤ VOUT < 1.8 V 490
1.8 V ≤ VOUT < 2.5 V 400
2.5 V ≤ VOUT < 3.3 V 310
3.3 V ≤ VOUT ≤ 5.0 V 270
TJ = –40°C to +125°C 0.8 V ≤ VOUT < 1.0 V 1100
1.0 V ≤ VOUT < 1.2 V 850
1.2 V ≤ VOUT < 1.5 V 700
1.5 V ≤ VOUT < 1.8 V 560
1.8 V ≤ VOUT < 2.5 V 450
2.5 V ≤ VOUT < 3.3 V 360
3.3 V ≤ VOUT ≤ 5.0 V 310
PSRR Power-supply rejection ratio f = 1 kHz, IOUT = 30 mA 55 dB
VN Output voltage noise BW = 10 Hz to 100 kHz, VOUT = 0.8 V, IOUT = 30 mA 130 µVRMS
VUVLO UVLO threshold VIN rising 1.23 1.3 1.47 V
VIN falling 1.0 1.12 1.41
VUVLO(HYST) UVLO hysteresis VIN hysteresis 180 mV
VEN(HI) EN pin logic high voltage 1.1 V
VEN(LOW) EN pin logic low voltage 0.3 V
IEN EN pin leakage current VEN = VIN = 6.0 V 10 nA
REN(PULLDOWN) Smart enable pulldown resistor VEN = 0.3 V 500 KΩ
RPULLDOWN Pulldown resistor VIN = 3.3 V, device disabled 60 Ω
TSD(shutdown) Thermal shutdown temperature Shutdown, temperature increasing 170 °C
TSD(reset) Thermal shutdown reset temperature Reset, temperature decreasing 145
(1) VIN = 2.0 V for VOUT ≤ 1.5 V.
(2) Load Regulation is normalized to the output voltage at IOUT = 1 mA.
(3) Specified by design
(4) Dropout is measured by ramping VIN down until VOUT = VOUT(nom) x 95%, with IOUT = 200 mA.