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TS33001-M009QFNR 数据表(PDF) 1 Page - Semtech Corporation

部件名 TS33001-M009QFNR
功能描述  High Efficiency Synchronous 1/2/3A DC/DC Buck Converter, 5Mhz
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制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

TS33001-M009QFNR 数据表(HTML) 1 Page - Semtech Corporation

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TS33001/2/3
Final Datasheet
Rev 1.6
January 15, 2016
www.semtech.com
1 of 16
Semtech
Proprietary & Confidential
TS33001/2/3
High Efficiency Synchronous 1/2/3A
DC/DC Buck Converter, 5Mhz
TRIUNE PRODUCTS
Features
Fixed Output option has automatic low power PFM mode
for reduced quiescent current at light loads
5MHz +/- 10% fixed switching frequency
Fixed output voltages: 0.8V, 0.9V, 1.2V, 1.5V, 1.8V,
2.5V, and 3.3V with +/- 2% output tolerance
Input voltage range: 2.5V to 5.5V
Voltage mode PWM control with input voltage feed-
Forward compensation
Voltage supervisor for VOUT reported at the PG pin
Input supply under voltage lockout
Soft start for controlled startup with no overshoot
Full protection for over-current, over-temperature,
and VOUT overvoltage
Less than 200nA in shutdown mode
Multiple enable pins for flexible system sequencing
Low external component count
Junction operating temperature -40C to 125C
Packaged in a 16 pin QFN (3x3)
Applications
Point of load
Systems with deep submicron ASICs/FPGAs
Set-top box
Communications equipment
Portable and handheld equipment
Description
The TS33001/2/3 (1/2/3A) are DC/DC synchronous switching
regulators with fully integrated power switches, internal
compensation, and full fault protection. The switching
frequency of 5MHz enables the use of extremely small filter
components, resulting in smaller board space and reduced
BOM costs.
When the input current is greater than approximately 50mA,
the TS33001/2/3 utilizes PWM voltage mode feedback with input
voltage feed-forward to provide a wide input voltage range
without the need for external compensation.
When the input current is less than 50mA, the device uses a
PFM mode to provide increased efficiency at light loads. The
cross over between PFM mode and PWM is automatic and
has hysteresis to prevent oscillation between the modes.
Additionally, the nLP mode pin can be used to force the device
into PWM mode to reduce the output ripple, if needed.
The TS33001/2/3 integrates a wide range of protection circuitry;
including input supply under-voltage lockout, output under-
voltage, output over-voltage, soft start, high side FET and low side
FET current limits, and thermal shutdown.
Typical Applications
VCC
VCC
Fixed Output
VSW
1µH
VOUT
22uF
VOUT
Sense
10uF
FB
VCC or VOUT
nLP
nLP
10 kohm
(optional)
EN
EN
PG
PG


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