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Power Integrations

INN2605K Datasheet Preview

INN2605K Datasheet

Off-Line CV/CC Flyback Switcher IC

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InnoSwitch-EP Family
Off-Line CV/CC Flyback Switcher IC with Integrated 725 V / 900 V MOSFET,
Sync-Rect Feedback with Advanced Protection
Product Highlights
Highly Integrated, Compact Footprint
Incorporates flyback controller, 725 V / 900 V MOSFET, secondary-
side sensing and synchronous rectification driver
FluxLink™ integrated, HIPOT-isolated, feedback link
Exceptional CV accuracy, independent of transformer design or
external components
Excellent multi-output cross regulation with weighted SSR feedback
and synch FETs
EcoSmart– Energy Efficient
<10 mW no-load at 230 VAC when supplied by transformer bias
winding
Easily meets all global energy efficiency regulations
Advanced Protection / Safety Features
Primary sensed output OVP
Secondary sensed output overshoot clamp
Secondary sensed output OCP to zero output voltage
Hysteretic thermal shutdown
Input voltage monitor with accurate brown-in/brown-out and
overvoltage protection
Full Safety and Regulatory Compliance
100% production HIPOT compliance testing equivalent to
4.8 kV AC for 1 second
Reinforced insulation
Isolation voltage 3,500 VAC for INN26xx series, 4,000 VAC
for INN2904
UL1577 and TUV (EN60950) safety approved
EN61000-4-8 (100 A/m) and EN61000-4-9 (1000 A/m) compliant
Green Package
Halogen free and RoHS compliant
Applications
Appliance, industrial, utility meter, smart grid, solar inverters and
smart lighting
Description
The InnoSwitch-EP family of ICs dramatically simplify the development
and manufacturing of low-voltage, high current power supplies,
particularly those in compact enclosures or with high efficiency require-
ments. The InnoSwitch-EP architecture is revolutionary in that the
devices incorporate both primary and secondary controllers, with sense
elements and a safety-rated feedback mechanism into a single IC.
Close component proximity and innovative use of the integrated
communication link permit accurate control of a secondary-side
synchronous rectification MOSFET and optimization of primary-side
switching to maintain high efficiency across the entire load range.
Additionally, the minimal DC bias requirements of the link, enable the
system to achieve less than 10 mW no-load to maximize efficiency in
standby.
SR FET
D
InnoSwitch-EP
Primary FET
and Controller
S
V
BPP
Figure 1. Typical Application/Performance.
VOUT
IS
Secondary
Control IC
Optional
Current
Sense
PI-7690-0011216
Figure 2. High Creepage, Safety-Compliant eSOP-R16B Package.
Output Power Table
Product 3
Peak or Open Frame1,2
725 V MOSFET
230 VAC ±15%
85-265 VAC
INN2603K
INN2604K
INN2605K
24 W
27 W
35 W
15 W
20 W
25 W
Product 3
900 V MOSFET
230 VAC ±15%
85-484 VAC
INN2904K
29 W
20 W
Table 1. Output Power Table.
Notes:
1. Minimum continuous power in a typical non-ventilated enclosed typical size
adapter measured at 40 °C ambient. Max output power is dependent on the
design. With condition that package temperature must be < = 125 °C.
2. Minimum peak power capability.
3. Package: eSOP-R16B.
www.power.com
This Product is Covered by Patents and/or Pending Patent Applications.
September 2017




Power Integrations

INN2605K Datasheet Preview

INN2605K Datasheet

Off-Line CV/CC Flyback Switcher IC

No Preview Available !

InnoSwitch-EP
PRIMARY BYPASS
(BPP)
INPUT VOLTAGE
MONITOR (V)
LINE-SENSE
UV
OV
FAULT
PRESENT
AUTO-
RESTART
COUNTER
RESET
FROM
FEEDBACK
DRIVER
PRI/SEC
RECEIVER
CONTROLLER
PULSE
DCMAXS
6.4 V
20
JITTER
CLOCK
DCMAX
OSCILLATOR
OVP
LATCH
Figure 3. Primary-Side Controller Block Diagram.
OUTPUT
VOLTAGE
(VO)
REGULATOR
4.45 V
SCONDARY
BYPASS
(BPS)
FEEDBACK
(FB)
ISENSE
(IS)
SYNC RECT
(SR)
4.45 V
3.80 V
+
-
+
-
FB THRESHOLD
+
-
IS THRESHOLD
ENB
CONTROL
CLOCK
OSCILLATOR
QS
QR
Figure 4. Secondary-Side Controller Block Diagram.
2
Rev. G 09/17
REGULATOR
5.95 V
+
BYPASS
CAPACITOR
SELECT AND
CURRENT
5.95 V
5.39 V
-
LIMIT STATE
MACHINE
BYPASS PIN
UNDERVOLTAGE
VILIMIT
CURRENT LIMIT
COMPARATOR
-
+
THERMAL
SHUTDOWN
DRAIN
(D)
SQ
RQ
LEADING
EDGE
BLANKING
PI-7453-121114
SOURCE
(S)
DETECTOR
HAND SHAKE
PULSES
FORWARD
(FWD)
FEEDBACK
DRIVER
TO
RECEIVER
ENABLE
SR
+
- SR
THESHOLD
SECONDARY
GROUND
(GND)
PI-7647-032116
www.power.com


Part Number INN2605K
Description Off-Line CV/CC Flyback Switcher IC
Maker Power Integrations
Total Page 30 Pages
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