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Número de pieza | NCP1396A | |
Descripción | (NCP1396A/B) High Performance Resonant Mode Controller featuring High-voltage Drivers | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de NCP1396A (archivo pdf) en la parte inferior de esta página. Total 27 Páginas | ||
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High Performance Resonant
Mode Controller featuring
High−voltage Drivers
The NCP1396 A/B offers everything needed to build a reliable and
rugged resonant mode power supply. Its unique architecture includes
a 500 kHz Voltage Controller Oscillator whose control mode brings
flexibility when an ORing function is a necessity, e.g. in multiple
feedback paths implementations. Thanks to its proprietary
high−voltage technology, the controller welcomes a bootstrapped
MOSFET driver for half−bridge applications accepting bulk voltages
up to 600 V. Protections featuring various reaction times, e.g.
immediate shutdown or timer−based event, brown−out, broken
opto−coupler detection etc., contribute to a safer converter design,
without engendering additional circuitry complexity. An adjustable
deadtime also helps lowering the shoot−through current contribution
as the switching frequency increases.
Features
• High−frequency Operation from 50 kHz up to 500 kHz
• 600 V High−voltage Floating Driver
www.DataSheet4U.com • Selectable Minimum Switching Frequency with ±3% Accuracy
• Adjustable Deadtime from 100 ns to 2 ms.
• Startup Sequence via an Adjustable Soft−start
• Brown−out Protection for a Simpler PFC Association
• Latched Input for Severe Fault Conditions, e.g. Over Temperature
or OVP
• Timer−based Input with Auto−recovery Operation for Delayed
Event Reaction
• Enable Input for Immediate Event Reaction or Simple ON/OFF
Control
• VCC Operation up to 20 V
• Low Startup Current of 300 mA
• 1 A / 0.5 A Peak Current Sink / Source Drive Capability
• Common Collector Optocoupler Connection for Easier ORing
• Internal Temperature Shutdown
• B Version features 10 V VCC Startup Threshold
• SO16 or DIP16 Package
Typical Applications
• Flat Panel Display Power Converters
• High Power AC/DC Adapters for Notebooks
• Industrial and Medical Power Sources
• Offline Battery Chargers
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MARKING
DIAGRAMS
16
1
PDIP−16
P SUFFIX
CASE 648
16
NCP1396xP
AWLYYWWG
1
16
1
SO−16
D SUFFIX
CASE 751B
1396xDR2G
AWLYWW
x
A
WL
YY, Y
WW
G
= A or B
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
PIN CONNECTIONS
Css 1
Fmax 2
Ctimer 3
Rt 4
BO 5
FB 6
DT 7
Fast Fault 8
16 Vboot
15 Mupper
14 HB
13 NC
12 Vcc
11 Mlower
10 Gnd
9 Slow Fault
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 24 of this data sheet.
*For additional information on our Pb−Free strategy
and soldering details, please download the ON
Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2007
February, 2007 − Rev. P0
1
Publication Order Number:
NCP1396/D
1 page NCP1396A, NCP1396B
ELECTRICAL CHARACTERISTICS
(For typical values TJ = 25°C, for min/max values TJ = 0°C to +125°C, Max TJ = 150°C, VCC = 12 V, unless otherwise noted.)
Characteristic
Pin Symbol Min Typ Max
Unit
SUPPLY SECTION
Turn−on threshold level, Vcc going up – A version
Turn−on threshold level, Vcc going up – B version
Minimum operating voltage after turn−on
Startup voltage on the floating section
Cutoff voltage on the floating section
Startup current, Vcc < VCCON
Vcc level at which the internal logic gets reset
Internal IC consumption, no output load on pin 15/14 – 11/10, Fsw =
300 kHz
12
12
12
16−14
16−14
12
12
12
VCCON
VCCON
VCC(min)
VbootON
Vboot(min)
Istartup
VCCreset
ICC1
12.3
9.5
8.5
8
7.4
−
−
−
13.3 14.3
10.5 11.5
9.5 10.5
9 10
8.4 9.4
− 300
6.5 −
4−
V
V
V
V
V
mA
V
mA
Internal IC consumption, 1 nF output load on pin 15/14 – 11/10, Fsw =
300 kHz
12 ICC2
− 11 − mA
Consumption in fault mode (All drivers disabled, VCC > VCC(min) )
VOLTAGE CONTROL OSCILLATOR (VCO)
Characteristic
12 ICC3
− 1.2 − mA
Pin Symbol Min Typ Max Unit
Minimum switching frequency, Rt = 18 kW on pin 4, Vpin 6 = 0.8 V, DT =
300 ns
4 Fsw min 58.2 60 61.8 kHz
Maximum switching frequency, Rfmax = 1.3 kW on pin 2, Vpin 6 > 5.3 V,
Rt = 18 kW, DT = 300 ns
2 Fsw max 425 500 575 kHz
Feedback pin swing above which Δf = 0
6 FBSW − 5.3 − V
Operating duty−cycle symetry
11−15
DC
48 50 52 %
Delay before any driver re−start in fault mode
− Tdel − 20 − ms
FEEDBACK SECTION
Characteristic
Pin Symbol Min Typ Max Unit
Internal pull−down resistor
Voltage on pin 6 below which the FB level has no VCO action
6 Rfb − 20 − kW
6 Vfb_min − 1.2 − V
Voltage on pin 6 below which the controller considers a fault
6 Vfb_off − 0.6 − V
DRIVE OUTPUT
Characteristic
Pin Symbol Min Typ Max Unit
Output voltage rise−time @ CL = 1 nF, 10−90% of output signal
15−14/1
1−10
Tr
− 40 − ns
Output voltage fall−time @ CL = 1 nF, 10−90% of output signal
15−14/1
1−10
Tf
− 20 − ns
Source resistance
15−14/1
1−10
ROH
− 13 − W
Sink resistance
15−14/1
1−10
ROL
− 5.5 − W
Dead time with RDT = 10 kW from pin 7 to GND
Maximum dead−time with RDT = 82 kW from pin 7 to GND
Minimum dead−time, RDT = 3 kW from pin 7 to GND
Leakage current on high voltage pins to GND
7
7
7
14,
15,16
T_dead
T_dead−max
T_dead−min
IHV_LEAK
250
−
−
−
300 340
2−
100 −
−5
ns
ms
ns
mA
3. The A version does not activate soft−start (unless the feedback pin voltage is below 0.6 V) when the fast−fault is released, this is for skip
cycle implementation. The B version does activate the soft−start upon release of the fast−fault input for any feedback conditions.
4. Guaranteed by design
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5
5 Page NCP1396A, NCP1396B
19
18
17
16
15
14
13
12
11
10
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (oC)
Figure 23. Source Resistance (ROH)
108
107
106
105
104
103
102
101
100
99
98
-40 -25 -10
5
20 35 50 65
TEMPERATURE (oC)
80
Figure 25. T_dead_min
95 110 125
8
7.5
7
6.5
6
5.5
5
4.5
4
3.5
-40
-25 -10 5
20 35 50 65 80 95
TEMPERATURE (oC)
Figure 24. Sink Resistance (ROL)
110 125
294
293
292
291
290
289
288
287
286
285
284
-40 -25 -10 5
20 35 50 65 80
TEMPERATURE (oC)
Figure 26. T_dead_nom
95 110 125
1.97
1.968
1.966
1.964
1.962
1.96
1.958
-40 -25 -10 5 20 35 50 65 80
TEMPERATURE (oC)
Figure 27. T_dead_max
95 110 125
3.98
3.975
3.97
3.965
3.96
3.955
3.95
3.945
3.94
3.935
3.93
-40
-25 -10 5 20 35 50 65 80 95
TEMPERATURE (oC)
Figure 28. Latch Level (Vlatch)
110 125
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11
11 Page |
Páginas | Total 27 Páginas | |
PDF Descargar | [ Datasheet NCP1396A.PDF ] |
Número de pieza | Descripción | Fabricantes |
NCP1396A | (NCP1396A/B) High Performance Resonant Mode Controller featuring High-voltage Drivers | ON Semiconductor |
NCP1396B | High Performance Resonant Mode Controller featuring High-voltage Drivers | ON Semiconductor |
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