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PDF PI3420-00 Data sheet ( Hoja de datos )

Número de pieza PI3420-00
Descripción 15 A Cool-Power ZVS Buck Regulator
Fabricantes Vicor 
Logotipo Vicor Logotipo



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No Preview Available ! PI3420-00 Hoja de datos, Descripción, Manual

Cool-Power®
PI34xx-00
8 V to 18 Vin, 15 A Cool-Power ZVS Buck Regulator
Product Description
The PI34xx-00 is a family of high efficiency DC-DC ZVS-Buck
regulators integrating the controller, power switches and
support components within a high density
System-in-Package (SiP).
The PI34xx-00 is designed to achieve optimum efficiency at
low input voltage ranges (8 V to 18 V). The utilization of zero
current soft turn-on provided by the high performance ZVS
topology within the PI34xx-00 series increases point of load
performance, providing best in class power efficiency with
high throughput power.
The PI34xx-00 requires only an external inductor and
minimal capacitors to form a complete DC-DC switching
mode buck regulator.
Device
PI3420-00-LGIZ
PI3421-00-LGIZ
PI3422-00-LGIZ
PI3423-00-LGIZ
PI3424-00-LGIZ
Output Voltage
Set Range
1.0 V
1.0 V to 1.4 V
1.8 V
1.4 V to 2.0 V
2.5 V
2.0 V to 3.1 V
3.3 V
2.3 V to 4.1 V
5.0 V
3.3 V to 6.5 V
IOUT Max
15 A
15 A
15 A
15 A
15 A
The ZVS architecture enables high frequency operation while
minimizing switching losses and maximizing efficiency. The
high switching frequency operation reduces the size of the
external filtering components, improves power density, and
enables very fast dynamic response to line and load
transients.
The ZVS architecture enables operation up to 750 kHz while
minimizing switching losses and the use of variable frequency
extends high efficiency over a very wide dynamic range. The
PI34xx-00 series has a minimum on time of 20ns which
enables large step down conversion ratios.
Features & Benefits
High Efficiency ZVS-Buck Topology
Input voltage range of 8 V to 18 V
Very-Fast transient response
Power-up into pre-biased load
High accuracy pre-trimmed output voltage
User adjustable soft-start & tracking
Parallel capable with single wire current sharing
Input Over/Undervoltage Lockout (OVLO/UVLO)
Output Overvoltage Protection (OVP)
Overtemperature Protection (OTP)
Fast and slow current limits
-40°C to 125°C operating range (TJ)
Applications
High efficiency systems
Computing, Communications, Industrial,
Automotive Equipment
Package Information
10 mm x 14 mm x 2.6 mm LGA SiP
Cool-Power®
Page 1 of 30
Rev 1.3
12/2015
vicorpower.com
800 927.9474

1 page




PI3420-00 pdf
PI34xx-00
Pin Description
Name
SGND
PGND
VIN
VOUT
VS1
PGD
EAO
EN
REM
ADJ
TRK
NC
SYNCO
SYNCI
SDA
SCL
ADR1
ADR0
Location
Block 1
Block 2
Block 3
Block 5
Block 4
A1
A2
A3
A5
B1
C1
K3, A4
K4
K5
D1
E1
H1
G1
Description
Signal ground: Internal logic ground for EA, TRK, SYNCI, SYNCO and ADJ. SGND and PGND are star connected
within the regulator package.
Power ground: VIN and VOUT power returns.
Input voltage: and sense for UVLO, OVLO and feed forward ramp.
Output voltage: and sense for power switches and feed-forward ramp.
Switching node: and ZVS sense for power switches.
Parallel Good: Used for parallel timing management intended for lead regulator.
Error amp output: External connection for additional compensation and current sharing.
Enable Input: Regulator enable control. Asserted high or left floating – regulator enabled; Asserted low,
regulator output disabled.
Remote Sense: High side connection. Connect to output regulation point.
Adjust input: An external resistor may be connected between ADJ pin and SGND or VOUT to trim the output
voltage up or down.
Soft-start and track input: An external capacitor may be connected between TRK pin and SGND to decrease
the rate of rise during soft-start.
No Connect: Leave pins floating.
Synchronization output: Outputs a high signal for ½ of the minimum period for synchronization of other
regulators.
Synchronization input: Synchronize to the falling edge of external clock frequency. SYNCI is a high
impedance digital input node and should always be connected to SGND when not in use.
Data Line: Connect to SGND. Factory use only. Not for use in application.
Clock Line: Connect to SGND. Factory use only. Not for use in application.
Tri-state Address: No connect. Factory use only. Not for use in application.
Tri-state Address: No connect. Factory use only. Not for use in application.
Package Pin-Out
PGND
Block 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14
SGND K
Block 1
J
ADR1 H
VIN
Block 3
ADR0 G
SGND F
SCL E
SDA D
TRK C
ADJ B
VS1
Block 4
PGD A
VOUT
Block 5
Block 1:
Block 2:
Block 3:
Block 4:
Block 5:
B2-4, C2-4, D2-3, E2-3, F1-3, G2-3, H2-3, J1-3, K1-2
A8-10, B8-10, C8-10, D8-10, E4-10, F4-10, G4-10, H4-10, J4-10, K6-10
G12-14, H12-14, J12-14, K12-14
A12-14, B12-14, C12-14, D12-14, E12-14,
A6-7, B6-7, C6-7, D6-7
Cool-Power®
Page 5 of 30
Rev 1.3
12/2015
vicorpower.com
800 927.9474

5 Page





PI3420-00 arduino
PI34xx-00
PI3421-00-LGIZ (1.8 VOUT) Electrical Characteristics
Efficiency at 25°C
100
95
90
85
80
75
70
65
60
55
50
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IOUT (A)
8 Vin
12 Vin
18 Vin
Figure 7 — Regulator and inductor performance
Figure 10 — 12 VIN to 1.8 VOUT, COUT = 8 X 100 µF Ceramic
VOUT (Ch2) = 100 mV/Div, IIN (Ch1) = 10 A/Div, 100 µS/Div
Figure 8 — VOUT (Ch1) = 1V/Div, IIN (Ch4) = 2 A/Div, 800 µs/Div
Figure 11 — Output Ripple 12 VIN 1.8 VOUT at 15 A; COUT = 8 x 100 µF
Switching Frequency vs. Load Current
800
700
600
500
8 Vin
400 12 Vin
18 Vin
300
200
100
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IOUT (A)
Figure 9 — Switching Frequency vs. Load Current
Figure 12 — Output Ripple 12 VIN 1.8 VOUT at 7.0 A; COUT = 8 x 100 µF
Cool-Power®
Page 11 of 30
Rev 1.3
12/2015
vicorpower.com
800 927.9474

11 Page







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