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ZSPM4011BA1R00

Description
Integrated Device Technology DC/DC converter
Categoryunclassified   
File Size656KB,21 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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Integrated Device Technology DC/DC converter

ZSPM4011BA1R00 Parametric

Parameter NameAttribute value
Product CategoryIntegrated Device Technology
ManufacturerIDT (Integrated Device Technology, Inc.)
RoHSDetails
PackagingReel
Factory Pack Quantity3300
High Efficiency 1A Synchronous
Buck Converter
ZSPM4011B
Datasheet
Brief Description
The ZSPM4011B is a DC/DC synchronous
switching regulator with fully integrated power
switches, internal compensation, and full fault
protection. The 1MHz switching frequency enables
using small filter components, resulting in reduced
board space and reduced bill-of-materials costs.
The ZSPM4011B utilizes current mode feedback in
normal regulation pulse-width modulation (PWM)
mode. When the regulator is disabled (EN pin is
low), the ZSPM4011B draws less than 10µA quies-
cent current.
The ZSPM4011B integrates a wide range of
protection circuitry, including input supply under-
voltage lockout, output voltage soft start, current
limit, V
OUT
over-voltage, and thermal shutdown.
The ZSPM4011B includes supervisory reporting
through the PG (Power Good) open drain output to
interface other components in the system.
Benefits
Increased battery life
Minimal external component count
(3 capacitors, 1 inductor)
Inherent fault protection and reporting
Available Support
Evaluation Kit
Documentation
Physical Characteristics
Junction operating temperature -40°C to 125°C
Packaged in a 16pin QFN (3x3mm)
Related IDT Products
Features
PGND
GND
Output voltage options (depends on order code):
Fixed output voltages: 1.5V, 1.8V, 2.5V,
3.3V, or 5V with +/- 2% output tolerance
Adjustable output voltage range: 0.9V to
5.5V with +/- 1.5% reference
Wide input voltage range: 4.5V to 24V
1MHz +/- 10% fixed switching frequency
1A continuous output current
High efficiency – up to 95%
Current mode PWM control with pulse-
frequency modulation (PFM) mode for
improved light load efficiency
Voltage supervisor for V
OUT
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 V
OUT
over-voltage
Less than 10µA in Disabled Mode
Low external component count
ZSPM4012B/ZSPM4013B: 2A/3A synchronous
buck converters, available with adjustable out-
put from 0.9 to 5.5V or fixed output voltages at
1.5V, 1.8V, 2.5V, 3.3V, 5.0V
(16-pin 3x3 QFN)
ZSPM1000: >5A single-phase, single-rail, true
digital PWM controller (24-lead 4x4mm QFN)
ZSPM4011B Application Circuits
Adjustable Output
BST
VCC
C
BYPASS
VCC
VSW
C
BST
VOUT
L
OUT
R
TOP
R
BOT
FB
VOUT
10 kΩ
(optional)
ZSPM4011B
C
OUT
EN
EN
PGND
GND
PG
PG
Fixed Output
VCC
C
BYPASS
BST
VCC
VSW
C
BST
VOUT
L
OUT
C
OUT
ZSPM4011B
FB
VOUT
EN
EN
10kΩ
(optional)
PG
PG
© 2016 Integrated Device Technology, Inc.
1
January 27, 2016

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