iW1699 Datasheet PDF - Dialog Semiconductor
| Part Number | iW1699 | |
| Description | Off-Line Digital Green-Mode Quasi-Resonant PWM Controller | |
| Manufacturers | Dialog Semiconductor | |
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iW1699
Off-Line Digital Green-Mode
Quasi-Resonant PWM Controller
1 Description
The iW1699 is a high performance AC/DC power supply controller that uses digital control technology to build peak
current mode PWM flyback power supplies. The device operates in quasi-resonant mode to provide high efficiency
and key built-in protection features while minimizing the external component count, simplifying EMI design and
lowering the total bill of material cost. The iW1699 removes the need for a secondary feedback circuit while achieving
excellent line and load regulation. It also eliminates the need for loop compensation components while maintaining
stability over all operating conditions. Pulse-by-pulse waveform analysis allows for a loop response that is much
faster than traditional solutions, resulting in improved dynamic load response for both one-time and repetitive load
transients. The built-in power limit function enables optimized transformer design in universal off-line applications and
allows for a wide input voltage range.
Dialog’s innovative proprietary technology ensures that power supplies built with the iW1699 can achieve both highest
average active efficiency and less than 30mW no-load power consumption, and have fast dynamic load response in
a compact form factor in typical 12W and above applications. The active start-up scheme enables shortest possible
start-up time without sacrificing no-load power loss.
2 Features
●● No-load power consumption < 30mW at 230VAC along ●● Adaptive multi-mode PWM/PFM control improves
with fast dynamic load response and short turn-on
efficiency
delay time in typical 12W compact adapter/charger
applications
●● No external loop compensation components required
●●
Tight constant-voltage and constant-current regulation
across line and load range
●●
Complies with EPA 2.0 energy-efficiency specifications
with ample margin
●● PrimAccurateTM primary-side feedback eliminates
opto-isolators and simplifies design
●● Built-in single-point fault protection features: output
short-circuit protection, output over-voltage protection,
over-current protection and current-sense-resistor fault
●● Proprietary optimized 89kHz maximum PWM switching protection
frequency with quasi-resonant operation achieves
size, efficiency and common mode noise
best
●●
Dedicated pins for external over-temperature
protection and over-voltage protection, with latch
●● User-configurable 5-level cable drop compensation
function available
provides design flexibility
●● No audible noise over entire operating range
●● EZ-EMI® design enhances manufacturability
3 Applications
●● Compact AC/DC adapters or chargers for media
tablets and smart phones
●● AC/DC adapters for consumer electronics
Product Summary
www.dialog-semiconductor.com
Rev. 1.0
1 of 6
30-Jun-2016
© 2016 Dialog Semiconductor
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iW1699
Off-Line Digital Green-Mode
Quasi-Resonant PWM Controller
6 Physical Dimensions
8-Lead Small Outline (SOIC) Package
D
8
E1
5
4H
e
A1
B
COPLANARITY
0.10 (0.004)
A2 A
SEATING
PLANE
C
h x 45°
αL
Inches
MIN MAX
A 0.053 0.069
A1 0.0040 0.010
A2 0.049 0.059
B 0.014 0.019
C 0.007 0.010
D 0.189 0.197
E 0.150 0.157
e 0.050 BSC
H 0.228 0.244
h 0.10 0.020
L 0.016 0.049
α 0°
8°
Millimeters
MIN MAX
1.35 1.75
0.10 0.25
1.25 1.50
0.35 0.49
0.19 0.25
4.80 5.00
3.80 4.00
1.27 BSC
5.80 6.20
0.25 0.50
0.4 1.25
Compliant to JEDEC Standard MS12F
Controlling dimensions are in inches; millimeter dimensions are for reference only
This product is RoHS compliant and Halide free.
Soldering Temperature Resistance:
[a] Package is IPC/JEDEC Std 020D moisture sensitivity level 1
[b] Package exceeds JEDEC Std No. 22-A111 for solder immersion resistance; package can withstand
10 s immersion < 260˚C
Dimension D does not include mold flash, protrusions or gate burrs. Mold flash, protrusions or gate burrs shall
not exceed 0.15 mm per end. Dimension E1 does not include interlead flash or protrusion. Interlead flash or
protrusion shall not exceed 0.25 mm per side.
The package top may be smaller than the package bottom. Dimensions D and E1 are determined at the
outermost extremes of the plastic body exclusive of mold flash, tie bar burrs, gate burrs and interlead flash, but
including any mismatch between the top and bottom of the plastic body.
7 Ordering Information
Part no.
iW1699-01
Options
OVP/OTP latch, no CC operation
iW1699-02
No OVP/OTP latch, 0.75V CC shutdown voltage
iW1699-03
OVP/OTP latch, 0.75V CC shutdown voltage
iW1699-05
No OVP/OTP latch, 2.9V CC shutdown voltage
Note 1: Tape and reel packing quantity is 2,500/reel. Minimum ordering quantity is 2,500.
Package
SOIC-8
SOIC-8
SOIC-8
SOIC-8
Description
Tape & Reel1
Tape & Reel1
Tape & Reel1
Tape & Reel1
Product Summary
www.dialog-semiconductor.com
Rev. 1.0
5 of 6
30-Jun-2016
© 2016 Dialog Semiconductor
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for iW1699 electronic component. |
| Information | Total 6 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ iW1699.PDF Datasheet ] | |
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