LTC3588-1S
Energy Harvesting Power SupplyThe LTC3588-1S is a energy harvesting power supply from Linear Technology. View the full LTC3588-1S datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
LTC3588-1S shares its datasheet with LTC3588, whose page lists every part number it covers.
Manufacturer
Linear TechnologyCategory
Power ManagementLTC3588-1S Key Specifications
| Parameter | Value |
|---|---|
| Output Current | Up to 100mA |
| Output Voltages | 1.8V, 2.5V, 3.3V, 3.6V (pin selectable) |
| Input Voltage Range | 2.7V to 20V (18V max with low impedance source) |
| Recommended Inductor | 10μH to 22μH |
| Buck Peak Switch Current | 260mA typ |
| NMOS Switch On-Resistance | 1.3Ω typ |
| PMOS Switch On-Resistance | 1.1Ω typ |
| Operating Temperature Range | -40°C to 125°C |
| Input Protective Shunt Voltage | 20V |
| Input Quiescent Current (UVLO) | 450nA typ |
| Maximum Protective Shunt Current | 25mA |
| Input Quiescent Current (Regulation, No Load) | 950nA typ |
LTC3588-1S Overview
Part: LTC3588-1 — Linear Technology
Type: Nanopower Energy Harvesting Power Supply
Description: 2.7 V to 20 V input energy harvesting power supply integrating a low-loss full-wave bridge rectifier and a synchronous hysteretic buck converter delivering up to 100 mA with 950 nA quiescent current.
Operating Conditions:
- Supply voltage: up to 18.0 V (low impedance source)
- Operating temperature: -40 to 125 °C
- Selectable output voltages: 1.8 V, 2.5 V, 3.3 V, 3.6 V
Absolute Maximum Ratings:
- Max supply voltage: 18 V (low impedance source)
- Max continuous current: 5 mA (continuous current-fed, t < 1 ms / duty cycle < 1% at 25 mA)
- Max junction/storage temperature: 150 °C (storage temperature range: -65 to 150 °C, operating junction range: -40 to 125 °C)
Key Specs:
- Input quiescent current (UVLO): 450 nA typ, 700 nA max (VIN = 2.5 V, Not PGOOD)
- Input quiescent current (buck enabled, sleeping): 950 nA typ, 1500 nA max (VIN = 4.5 V)
- Internal bridge rectifier loss: 400 mV typ, 450 mV max (|VPZ1 - VPZ2| - VIN at IBRIDGE = 10 μA)
- Shunt regulator voltage: 20.0 V typ, 19.0 V min, 21.0 V max (IVIN = 1 mA)
- Available buck output current: 100 mA min
- Buck peak switch current: 260 mA typ, 200 mA min, 350 mA max
- Buck PMOS on-resistance: 1.1 Ω typ
- Buck NMOS on-resistance: 1.3 Ω typ
Features:
- Integrated low-loss full-wave bridge rectifier
- High efficiency integrated hysteretic buck DC/DC converter
- Selectable output voltages of 1.8 V, 2.5 V, 3.3 V, 3.6 V
- Input protective shunt up to 25 mA pull-down at VIN ≥ 20 V
- Power good output status indicator
- Wide input undervoltage lockout (UVLO) hysteresis
Applications:
- Piezoelectric energy harvesting
- Electro-mechanical energy harvesting
- Wireless HVAC sensors
- Mobile asset tracking
- Tire pressure sensors
- Battery replacement for industrial sensors
- Remote light switches
- Standalone nanopower buck regulator
Package:
- 10-Lead Plastic DFN (3 mm × 3 mm)
- 10-Lead Plastic eMSOP (MSE)
LTC3588-1S Features
- n 950nA Input Quiescent Current (Output in Regulation - No Load)
- n 450nA Input Quiescent Current in UVLO
- n 2.7V to 20V Input Operating Range
- n Integrated Low-Loss Full-Wave Bridge Rectifier
- n Up to 100mA of Output Current
- n Selectable Output Voltages of 1.8V , 2.5V , 3.3V , 3.6V
- n High Efficiency Integrated Hysteretic Buck DC/DC
- n Input Protective Shunt - Up to 25mA Pull-Down at VIN ≥ 20V
- n Wide Input Undervoltage Lockout (UVLO) Range
- n Available in 10-Lead MSE and 3mm × 3mm DFN Packages
LTC3588-1S Applications
- n Piezoelectric Energy Harvesting
- n Electro-Mechanical Energy Harvesting
- n Wireless HVAC Sensors
- n Mobile Asset T racking
- n Tire Pressure Sensors
- n Battery Replacement for Industrial Sensors
- n Remote Light Switches
- n Standalone Nanopower Buck Regulator
LTC3588-1S Pin Configuration
LTC3588-1S Electrical Characteristics
The l denotes the specifications which apply over the full operating junction temperature range, otherwise specifications are for T A = 25°C. (Note 2) V IN = 5.5V unless otherwise specified.
| SYMBOL | PARAMETER | CONDITIONS | MIN | TYP | MAX | UNITS | |
|---|---|---|---|---|---|---|---|
| V IN | Input Voltage Range | Low Impedance Source on V IN | l | 18.0 | V | ||
| I VIN | V IN Quiescent Current | ||||||
| UVLO | V IN = 2.5V, Not PGOOD | 450 | 700 | nA | |||
| Buck Enabled, Sleeping | V IN = 4.5V | 950 | 1500 | nA | |||
| Buck Enabled, Sleeping | V IN = 18V | 1.7 | 2.5 | μA | |||
| Buck Enabled, Not Sleeping | I SW = 0A (Note 4) | 150 | 250 | μA | |||
| V UVLO | V Undervoltage Lockout Threshold | V Rising | |||||
| IN | IN 1.8V Output Selected; D1 = 0, D0 = 0 | l | 3.77 | 4.04 | 4.30 | V | |
| 2.5V Output Selected; D1 = 0, D0 = 1 | l | 3.77 | 4.04 | 4.30 | V | ||
| 3.3V Output Selected; D1 = 1, D0 = 0 | l | 4.73 | 5.05 | 5.37 | V | ||
| Output Selected; D1 = 1, D0 = 3.6V 1 V IN Falling | l | 4.73 | 5.05 | 5.37 | V | ||
| 1.8V Output 0 | l | 2.66 | 2.87 | 3.08 | V | ||
| Selected; D1 = 0, D0 = D0 = 1 | l | 2.66 | 2.87 | V | |||
| 2.5V Output Selected; D1 = 0, | l | 3.42 | 3.67 | 3.08 3.91 | |||
| 3.3V Output Selected; D1 = 1, D0 = 0 3.6V Output Selected; D1 = 1, D0 = 1 | l | 3.75 | 4.02 | 4.28 | V V | ||
| V SHUNT | V IN Shunt Regulator Voltage | I VIN = 1mA | 19.0 | 20.0 | 21.0 | V | |
| I SHUNT | Maximum Protective Shunt Current | 1ms Duration | 25 | mA | |||
| Internal Bridge Rectifier Loss (|V - V | - V ) | I BRIDGE = 10μA | 350 | 400 | 450 | mV | ||
| Internal Bridge Rectifier Reverse Leakage Current | V REVERSE = 18V | 20 | nA | ||||
| Internal Bridge Rectifier Reverse Breakdown Voltage | I REVERSE = 1μA | V SHUNT | 30 | V | |||
| V OUT | Regulated Output Voltage | 1.8V Output Selected | |||||
| Sleep Threshold | l | 1.812 | 1.890 | V | |||
| Wake-Up Threshold | l | 1.710 | 1.788 | V | |||
| 2.5V Output Selected Sleep Threshold | l | 2.512 | 2.575 | V | |||
| Wake-Up Threshold | l | 2.425 | 2.488 | V | |||
| 3.3V Output Selected | 3.312 | 3.399 | V | ||||
| Sleep Threshold Wake-Up Threshold | l l | 3.201 | 3.288 | V | |||
| 3.6V Output Selected | l | 3.612 | 3.708 | V | |||
| Sleep Threshold Wake-Up Threshold As a Percentage of | l | 3.492 | 3.588 | V | |||
| PGOOD Falling Threshold | the Selected V OUT | 83 | 92 | % | |||
| I VOUT | Output Quiescent Current | V OUT = 3.6V | 89 | 150 | nA | ||
| I PEAK | Buck Peak Switch Current | 200 | 260 | 350 | mA | ||
| I BUCK | Available Buck Output Current | 100 | mA | ||||
| R P | Buck PMOS Switch On-Resistance | 1.1 1.3 | Ω | ||||
| R N | Buck NMOS Switch On-Resistance | Ω | |||||
| Max Buck Duty Cycle | l | 100 | % | ||||
| V IH(D0, D1) | D0/D1 Input High Voltage | l | 1.2 | V | |||
| V IL(D0, D1) | D0/D1 Input Low Voltage | l | 0.4 | V | |||
| I IH(D0, D1) | D0/D1 Input High Current | 10 | nA | ||||
| I IL(D0, D1) | D0/D1 Input Low Current | 10 | nA |
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LTC3588-1S Absolute Maximum Ratings
| Parameter | Limit |
|---|---|
| V IN | |
| Low Impedance Source | -0.3V to 18V* |
| Current Fed, I SW = 0A | 25mA † |
| PZ1, PZ2 | 0V to V IN |
| D0, D1 | -0.3V to [Lesser of (V IN2 + 0.3V) or 6V] |
| CAP | [Higher of -0.3V or (V IN - 6V)] to V IN |
| V IN2 | -0.3V to [Lesser of (V IN + 0.3V) or 6V] |
- VIN has an internal 20V clamp
† For t < 1ms and Duty Cycle < 1%, Absolute Maximum Continuous Current = 5mA
LTC3588-1S Typical Application
Piezoelectric 3.3V Power Supply with LDO Post Regulator for Reduced Output Ripple
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| LTC3588 | Linear Technology | 10-Lead (3mm × 3mm) Plastic DFN |
| LTC3588-1 | Linear Technology | — |
| LTC3588-2 | Linear Technology | — |
| LTC3588E-1 | Linear Technology | — |
| LTC3588EDD-1 | Linear Technology | DFN-10 3x3mm |
| LTC3588EMSE-1 | Linear Technology | eMSOP-10 |
| LTC3588I-1 | Linear Technology | — |
| LTC3588IDD-1 | Linear Technology | DFN-10 3x3mm |
| LTC3588IMSE-1 | Linear Technology | eMSOP-10 |
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All Power Management datasheetsAll Linear Technology datasheets (21)
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