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Touchstone

TS3310 Datasheet Preview

TS3310 Datasheet

Instant-On Boost Converter

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TS3310
A True 150-nA IQ, 0.9-3.6VIN, Selectable 1.8-5VOUT Instant-OnTM Boost Converter
FEATURES
Ultra-Efficient Boost Converter:
Active Mode, No-load Supply Current: 150nA
Efficiency: Up to 92%
Input Voltage Range: 0.9V-3.6V
Delivers up to 35mA at 3VSTORE from 1.2VIN
Single-inductor, Discontinuous Conduction
Mode Operation
No External Schottky Diode Required
Pin-Selectable Output Voltages:
1.8V, 2.1V, 2.5V, 2.85V, 3V, 3.3V,
4.1V, and 5V
User-enabled Secondary Output Load Switch
10-Pin, Low-Profile, 2mm x 2mm TDFN Package
APPLICATIONS
Coin Cell-Powered Portable Equipment
Single Cell Li-ion or Alkaline Powered Equipment
Solar or Mechanical Energy Harvesting
Wireless Microphones
Wireless Remote Sensors
RFID Tags
Blood Glucose Meters
Personal Health-Monitoring Devices
ZigBee Radio Enabled Devices
Low-Energy Bluetooth Radio Enabled Devices
DESCRIPTION
The TS3310 is a low power boost switching regulator
with an industry leading low quiescent current of
150nA. The 150nA is the actual current consumed
from the battery while the output is in regulation. The
TS3310’s extremely low power internal circuitry
consumes 90nA on average, with periodic switching
cycles which service the load occurring at intervals of
up to 25 seconds, together yielding the average
150nA. The TS3310 steps up input voltages from
0.9V to 3.6V to eight selectable output voltages
ranging from 1.8V to 5V. The TS3310 includes two
output options, one being an always-on storage
output while the additional output is an output load
switch that is designed to supply burst-on loads in a
low duty cycle manner. The TS3310 operates in
Discontinuous Conduction Mode with an on-time
proportional to 1/VIN, thereby limiting the maximum
input current by the selection of the inductor value,
ensuring the input current does not drag down the
input source.
The extremely low quiescent current combined with
the output load switch make the TS3310 an ideal
choice for applications where the load can be
periodically powered from the output, while being
disconnected from the output storage capacitor when
the load is powered off to isolate the load’s leakage
current.
The TS3310 is fully specified over the -40°C to +85°C
temperature range and is available in a low-profile,
thermally-enhanced 10-pin 2x2mm TDFN package
with an exposed back-side paddle.
TYPICAL APPLICATION CIRCUIT
Efficiency vs STORE Current
IN=1.2V, STORE=3V
100
Circuit B
90
80
Circuit A
70
60
50
40
Circuit A
Circuit B
L
10µH
100µH
PN: CBC3225T100KR PN: CBC3225T101KR
CIN = CSTORE
10µF
1µF
CLSW
220pF
---
The Touchstone Semiconductor logo and “NanoWatt Analog” are registered trademarks of
Touchstone Semiconductor, Incorporated.
30
20
10
0
0.0001 0.001 0.01 0.1
1
ISTORE - mA
10 100
Page 1
© 2013 Touchstone Semiconductor, Inc. All rights reserved.




Touchstone

TS3310 Datasheet Preview

TS3310 Datasheet

Instant-On Boost Converter

No Preview Available !

TS3310
ABSOLUTE MAXIMUM RATINGS
IN to GND................................................................. -0.3V to +6.0V
STORE to GND ........................................................ -0.3V to +6.0V
OUT to GND............................................................. -0.3V to +6.0V
LSW to GND............................................................. -0.3V to +6.0V
OUT_ON, S0, S1, S2 to GND................................... -0.3V to +6.0V
VGOOD to GND ....................................................... -0.3V to +6.0V
Continuous Power Dissipation (TA = +70°C)
10-Pin TDFN22EP (Derate at 13.48mW/°C above +70°C) 1078mW
Operating Temperature Range................................ -40°C to +85°C
Junction Temperature ......................................................... +150°C
Storage Temperature Range................................. -65°C to +150°C
Lead Temperature (Soldering, 10s) ..................................... +300°C
Electrical and thermal 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 condition beyond those indicated in the operational sections
of the specifications is not implied. Exposure to any absolute maximum rating conditions for extended periods may affect device reliability and
lifetime.
PACKAGE/ORDERING INFORMATION
ORDER NUMBER
TS3310ITD1022T
TS3310ITD1022TP
PART
MARKING
AAW
CARRIER
TAPE
& REEL
TAPE
& REEL
QUANTITY
-----
3000
Lead-free Program: Touchstone Semiconductor supplies only lead-free packaging.
Consult Touchstone Semiconductor for products specified with wider operating temperature ranges.
Page 2
TS3310DS r1p2
RTFDS


Part Number TS3310
Description Instant-On Boost Converter
Maker Touchstone
Total Page 19 Pages
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