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IR3502 の電気的特性と機能

IR3502のメーカーはInternational Rectifierです、この部品の機能は「CONTROL IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 IR3502
部品説明 CONTROL IC
メーカ International Rectifier
ロゴ International Rectifier ロゴ 




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IR3502 Datasheet, IR3502 PDF,ピン配置, 機能
IR3502
DATA SHEET
XPHASE3TM CONTROL IC
DESCRIPTION
The IR3502 control IC combined with an XPHASE3TM Phase IC provides a full featured and flexible way to
implement a complete VR11.0 and VR11.1 power solution. The IR3502 provides overall system control
and interfaces with any number of Phase ICs, each driving and monitoring a single phase. The XPhase3TM
architecture results in a power supply that is smaller, less expensive, and easier to design while providing
higher efficiency than conventional approaches.
FEATURES
1 to X phase operation with matching Phase IC
0.5% overall system set point accuracy
Daisy-chain digital phase timing provides accurate phase interleaving without external components
Programmable 250kHz to 9MHz clock oscillator frequency provides per phase switching frequency of
250kHz to 1.5MHz
Programmable Dynamic VID Slew Rate
Programmable VID Offset or No Offset
Programmable Load Line Output Impedance
High speed error amplifier with wide bandwidth of 30MHz and fast slew rate of 10V/us
Programmable constant converter output current limit during soft start
Hiccup over current protection with delay during normal operation
Central over voltage detection and latch with programmable threshold and communication to phase ICs
Over voltage signal output to system with overvoltage detection during powerup and normal operation
Load current reporting
Single NTC thermistor compensation for correct current reporting, OC Threshold, and Droop
Detection and protection of open remote sense line
Open control loop protection
IC bias linear regulator controller
Programmable VRHOT function monitors temperature of power stage through a NTC thermistor
Remote sense amplifier with true converter voltage sensing
Simplified VR Ready (VRRDY) output provides indication of proper operation
Small thermally enhanced 32L 5mm x 5mm MLPQ package
RoHS compliant
ORDERING INFORMATION
Device
IR3502MTRPBF
* IR3502MPBF
Package
32 Lead MLPQ
(5 x 5 mm body)
32 Lead MLPQ
(5 x 5 mm body)
Order Quantity
3000 per reel
100 piece strips
Samples only
Page 1 of 39
July 28, 2009

1 Page





IR3502 pdf, ピン配列
IR3502
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. These are stress ratings only and functional
operation of the device at these or any other conditions beyond those indicated in
the operational sections of the specifications are not implied.
Operating Junction Temperature……………..0 to 150oC
Storage Temperature Range………………….-65oC to 150oC
ESD Rating………………………………………HBM Class 1C JEDEC Standard
MSL Rating………………………………………2
Reflow Temperature…………………………….260oC
PIN #
1-8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PIN NAME
VID7-0
ENABLE
VRHOT
HOTSET
VOSEN-
VOSEN+
VO
FB
EAOUT
VDRP
VN
VDAC_BUFF
VSETPT
VDAC
SS/DEL
ROSC/OVP
LGND
CLKOUT
PHSOUT
PHSIN
VCCL
IIN
VCCLDRV
VRRDY
IMON
VMAX
7.5V
3.5V
7.5V
7.5V
1.0V
7.5V
7.5V
7.5V
7.5V
7.5V
7.5V
3.5V
3.5V
3.5V
7.5V
7.5V
n/a
7.5V
7.5V
7.5V
7.5V
7.5V
10V
VCCL + 0.3V
3.5V
VMIN
-0.3V
-0.3V
-0.3V
-0.3V
-0.5V
-0.5V
-0.5V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.5V
n/a
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
-0.3V
ISOURCE
1mA
1mA
1mA
1mA
5mA
5mA
35mA
1mA
35mA
35mA
1mA
1mA
1mA
1mA
1mA
1mA
20mA
100mA
10mA
1mA
1mA
1mA
1mA
1mA
25mA
ISINK
1mA
1mA
50mA
1mA
1mA
1mA
5mA
1mA
5mA
1mA
1mA
35mA
1mA
1mA
1mA
1mA
1mA
100mA
10mA
1mA
20mA
1mA
50mA
20mA
1mA
Page 3 of 39
July 28, 2009


3Pages


IR3502 電子部品, 半導体
IR3502
PARAMETER
TEST CONDITION
Minimum Voltage
Open Voltage Loop Detection Measure V(VCCL)- V(EAOUT), Relative
Threshold
to Error Amplifier maximum voltage.
Open Voltage Loop Detection Measure PHSOUT pulse numbers from
Delay
V(EAOUT) = V(VCCL) to VRRDY = low.
Enable Input
VR 11 Threshold Voltage
ENABLE rising
VR 11 Threshold Voltage
ENABLE falling
VR 11 Hysteresis
Bias Current
0V V(ENABLE) 3.3V
Blanking Time
Noise Pulse < 100ns will not register an
ENABLE state change. Note 1
Over-Current Comparator
Input Offset Voltage
1V V(IIN) 3.3V
Input Filter Time Constant
Over-Current Threshold
VDRP-VDAC_BUFF
Over-Current Delay Counter
ROSC = 7.75 K(PHSOUT=1.5MHz)
Over-Current Delay Counter
ROSC = 15.0 K(PHSOUT=800kHz)
Over-Current Delay Counter
ROSC = 50.0 K(PHSOUT=250kHz)
Over-Current Limit Amplifier
Input Offset Voltage
Transconductance
Note 1
Sink Current
Unity Gain Bandwidth
Note 1
Over Voltage Protection (OVP) Comparators
Threshold at Power-up
Measure at 1.5V VCCLDRV
Threshold during Normal
Operation
Compare to V(VDAC)
OVP Release Voltage during
Normal Operation
Compare to V(VDAC)
Threshold during Dynamic VID
down
Dynamic VID Detect Comparator
Threshold
Propagation Delay to IIN
Measure time from V(VO) > V(VDAC)
(250mV overdrive) to V(IIN) transition to
> 0.9 * V(VCCL).
IIN Pull-up Resistance
Propagation Delay to OVP
Measure time from V(VO) > V(VDAC)
(250mV overdrive) to V(ROSC/OVP)
transition to >1V.
OVP High Voltage
Measure V(VCCL)-V(ROSC/OVP)
OVP Power-up High Voltage
ROSC = 7.75 K. Measure
V(VCCLDRV)-V(ROSC/OVP) @ 1.5V
OVP Power-up High Voltage
ROSC = 24.5 K. Measure
V(VCCLDRV)-V(ROSC/OVP) @ 1.5V
Page 6 of 39
MIN
125
825
775
25
-5
75
-40
1.07
-10
0.50
35
0.75
1.1
105
-13
1.70
25
0
.100
0
TYP
120
300
8
MAX
250
600
UNIT
mV
mV
Pulses
850 875
800 825
50 75
05
250 400
mV
mV
mV
µA
ns
-25
2
1.17
4096
2048
1024
-10
1.27
mV
µs
V
Cycle
Cycle
Cycle
0
1.00
55
2.00
10
1.75
75
3.00
mV
mA/V
uA
kHz
1.21
125
3
1.73
50
90
1.30
145
20
1.75
75
180
V
mV
mV
V
mV
ns
5 15
90 180
ns
1.2
.240 .375
0.2
July 28, 2009
V
V

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共有リンク

Link :


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