IP1203PBF International Rectifier, IP1203PBF Datasheet

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IP1203PBF

Manufacturer Part Number
IP1203PBF
Description
IC BUCK SYNC ADJ 15A 24LGA
Manufacturer
International Rectifier
Series
iPOWIR™r
Type
Step-Down (Buck)r
Datasheet

Specifications of IP1203PBF

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.8 ~ 8 V
Current - Output
15A
Frequency - Switching
200kHz ~ 400kHz
Voltage - Input
5.5 ~ 13.2 V
Operating Temperature
-10°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
24-LGA
Power - Output
3.75W
For Use With
IRDCIP1203-A - IP1203 REFERENCE DESIGN KIT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Description
Features
• 5.5V to 13.2V Input Voltage
• 0.8V to 8V Output Voltage
• 15A Maximum Load Capability
• 200-400kHz Nominal Switching Frequency
• Over Current Hiccup
• External Synchronization Capable
• Overvoltage Protection
• Over Temperature Protection
• Internal Features Minimize Layout Sensitivity
• Very Small Outline 9mm x 9mm x 2.3mm
iP1203PbF
iP1203TRPbF
iP1203PbF Simplified Application Schematic
V
DESCRIPTION
IN
PACKAGE
V
V
V
V
PGOOD
PGOOD
SS
SS
R
R
SYNC
SYNC
CONNECTION
IN
CC_bypass
T
INTERFACE
LGA
LGA
iP1203
PARTS PER
V
V
OC
OC
CC
CC
REF
SW
FB
FB
FB
FB
S
BAG
10
---
PARTS
1000
REEL
PER
---
ORIENTATION
Fig 26
T & R
V
OUT
2,3,4,5,7,17,20,21
(See Page 18) Pin Name
Pin Number
18,19
1, 23
10
11
12
13
14
15
16
22
24
6
8
9
Synchronous Buck Power Block
V
PGOOD
OCSET
PGND
CC_bypass
SYNC
V
V
FB
V
V
CC
V
SS
FB
R
SWs
REF
SW
INs
IN
Integrated Power Semiconductors,
T
s
Single Output Full Function
Soft start pin. External capacitor provides soft start. Pulling soft start pin low
Non inverting input of the error amplifier (reference Voltage pin). Connect a
Power Good pin. Open collector, requires external pulll-up. If function not
External Clock synchronization pin. Set free running frequency to 80% of
Switching frequency setting pin. For R
will disable the output. Cannot be cycled to unlatch OVP trip
the SYNC frequency. When not in use, leave pin floating
PWM controller power supply pin. Internally generated.
Requires a 2.2µf external bypass capacitor
PWM Control & Passives
Test pad, for internal use, short to VSW
Test pad, for internal use, short to V
Output overcurrent trip threshold pin
Inverting input of the error amplifier
100pF cap from this pin to PGND.
Output inductor connection pins
needed, pin can be left floating
Output overvoltage sense pin.
Input voltage connection pins
Output of the error amplifier
Power Ground pins
Pin Description
datasheet
T
selection, refer to Fig.9 of the
PD- 97108
IN

Related parts for IP1203PBF

IP1203PBF Summary of contents

Page 1

... Maximum Load Capability • 200-400kHz Nominal Switching Frequency • Over Current Hiccup • External Synchronization Capable • Overvoltage Protection • Over Temperature Protection • Internal Features Minimize Layout Sensitivity • Very Small Outline 9mm x 9mm x 2.3mm Description ™ iP1203PbF Simplified Application Schematic ...

Page 2

... All specifications @ 25°C (unless otherwise specified) Absolute Maximum Ratings Parameter V IN Feedback Output Overvoltage Sense PGOOD Soft Start SYNC Output RMS Current Block Temperature Recommended Operating Conditions Parameter Input Voltage Range Output RMS Current Output Voltage Range Electrical Specifications @ V Parameter ...

Page 3

... MAX V ––– 4.5 IN-UVLO V ––– 0.25 IN-UVLO HYST V ––– ––– SS-DIS V ––– ––– IN-SLEW iP1203PbF Conditions Max Units 230 kHz R = 48.7kΩ T 345 kHz R = 30.9kΩ T 460 kHz R = 21.5kΩ ...

Page 4

... Internal Block Diagram www.irf.com ...

Page 5

... 12V V OUT = 1. 300kHz L = 1.0µH T BLK = 125° OUT 300kHz L = 1.0µ www.irf.com 5 Output Current ( Safe 12V = 1.5V Operating Area PCB Temperature (°C) iP1203PbF Maximum Typical 100 110 120 100 110 120 15 130 Tx 130 5 ...

Page 6

... V OUT = 1.5V I OUT = 15A 1. 300kHz L = 1.0µH T BLK = 125°C 1.02 1.00 0.98 0. Input Voltage (V) 1.120 12V V OUT = 1.5V 1.080 I OUT = 15A L = 1.0µH T BLK = 125°C 1.040 1.000 0.960 200 250 300 Swiching Frequency (kHz OUT = 1. 300kHz 1.0µ BLK = 125° ...

Page 7

... X www.irf.com 12V 1.5V 4 OUT f = 300kHz SW L=1.0uH ≈ ≈ ≈ ≈ ≈ iP1203PbF 100 110 Case Temperature (º iP1203 SOA 100 110 PCB Temperature (ºC) µ 120 TX 120 7 ...

Page 8

... OUT f SW L=1.0uH Vin Average iP1203 FB 8 ≈ Case Temperature (ºC) Unadjusted SOA curve Adjusted SOA curve = 12V IN iP1203 SOA = 1.5V = 300kHz PCB Temperature (ºC) Iin Average A Cin Iout Average Lo Co Averaging Vout Average V Circuit Fig. 10: Power Loss Test Circuit ≈ ...

Page 9

... V SWs V SW www.irf.com PGND PGND PGND PGND PGND PGND SYNC OCSET V PGND SW Fig. 11: Recommended PCB Footprint (Top View) iP1203PbF V PGND REF T PGOOD 9 ...

Page 10

... Css Fig.12: Soft Start/Enable Circuit 0.8Vtyp V Css V OUT Fig. 13: Power Up Threshold Iss iP1203 3V www.irf.com ...

Page 11

... www.irf.com ± iP1203PbF 11 ...

Page 12

... Vout FB R5 iP1203 FB S C14 (Optional R26 ss R27 I s µ = − RMS out s s µ www.irf.com ...

Page 13

... O ∆ ≤ ∆ ≤ 10 > π 2 × × ESR Ω www.irf.com µ µ iP1203PbF π O µ 13 ...

Page 14

... × × Vout R2 iP1203 FB R5 E/A1 V REF C6 CC (Optional) C9 R19 Magnitude(dB) H( × × π × × Frequency www.irf.com ...

Page 15

... esr 19 ramp × π 2 × π × × opt opt π × × www.irf.com + × × Ω iP1203PbF + × × Vout R20 C8 R21 R2 iP1203 FB R5 E/A1 V REF C6 Magnitude(dB) H( × Frequency 15 ...

Page 16

... π × × π × × π × × × × × × ramp Ω π × × www.irf.com ...

Page 17

... www.irf.com iP1203PbF 17 ...

Page 18

... Pin Assignment www.irf.com ...

Page 19

... Layout Guidelines www.irf.com iP1203PbF Suggested Layout iP1203PbF 19 ...

Page 20

... Fig. 24: Typical Application Schematic PGND 21 PGND 20 PGND 17 PGND 7 PGND 5 PGND 4 PGND 3 PGND 2 www.irf.com ...

Page 21

... Fig. 25: Outline Drawing iP1203PbF NOT DIMENS IONING & TOLERANCING PER AS ME Y14.5M-1994. 2.31 [.0909] 2. DIMENS IONS ARE S HOWN IN MILLIMET ERS [INCHES ]. 2.13 [.0839] 3. CONT ROLLING DIMENS ION: MILLIMET ER 4. LAND DES IGNATION PER JES D MO 222, S PP-010. ...

Page 22

... NOT OUT LINE CONFORMS T O EIA-481 & EIA-541. iP1203, BGA 22 16.0 (.630) 0438 XXXX iP1203 FEED DIRECTION Fig. 26: Tape & Reel Information NOT OUT LINE CONFORMS T O EIA-481 & EIA-541. iP1203PbF, BGA 0538 XXXX iP1203PbF Fig. 27: Part Marking www.irf.com ...

Page 23

... This product has been designed and qualified for the industrial market. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 www.irf.com Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice.8/06 iP1203PbF TAC Fax: (310) 252-7903 23 ...

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