參數(shù)資料
型號： PMF4218TSR
廠商： ERICSSON POWER MODULES AB
元件分類： 電源模塊
英文描述： 1-OUTPUT 25 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, SMD-10
文件頁數(shù)： 9/29頁
文件大小： 663K
代理商： PMF4218TSR
Limited Internal
PRODUCT SPEC.
14 (16)
Prepared (also subject responsible if other)
No.
SEC/D KEVIN YAN
2/1301-BMR 643 4 Uen
Approved
Checked
Date
Rev
Reference
SEC/D Wei Zhang A
2007-1-4
B
2.5 V/10 A Electrical Specification
PMF 4218T
T
ref = -40 to +85C, VI = 2.95 to 3.65 V, Radj = 2.21 kΩ, unless otherwise specified under Conditions.
Typical values given at: Tref = +25°C, VI= 3.3 V, max IO , unless otherwise specified under Conditions.
Additional C
in=330uF and Cout=330uF. See Operating Information section for selection of capacitor types.
Connect the sense pin, where available, to the output pin.
Characteristics
Conditions
min
typ
max
Unit
VI
Input voltage range
2.95
3.65
V
VIoff
Turn-off input voltage
Decreasing input voltage
2.2
2.40
V
VIon
Turn-on input voltage
Increasing input voltage
2.45
2.8
V
CI
Internal input capacitance
45
μF
PO
Output power
0
25
W
50 % of max IO
94.1
η
Efficiency
max IO
91.1
%
Pd
Power Dissipation
max IO
2.5
3.0
W
Pli
Input idling power
IO= 0, VI = 3.3 V
120
mW
PRC
Input standby power
VI = 3.3 V (turned off with INHIBIT)
33
mW
IS
Static Input current
VI = 3.3 V, max IO
8.4
A
fs
Switching frequency
0-100% of max IO
275
300
325
kHz
VOi
Output voltage initial setting and
accuracy
Tref = +25°C, VI = 3.3 V, max IO
2.450
2.500
2.550
V
Output voltage tolerance band
10-100% of max IO
2.425
2.575
V
Idling voltage
IO = 0
2.509
V
Line regulation
max IO
±10
mV
VO
Load regulation
VI = 3.3 V, 0-100% of max IO
±12
mV
Vtr
Load transient
voltage deviation
±150
mV
ttr
Load transient recovery time
VI = 3.3 V, Load step 50-100-50 %
of max IO, di/dt = 1 A/μs,
see Note 1
100
μs
tr
Ramp-up time
(from 1090 % of V
Oi)
3.9
ms
ts
Start-up time
(from V
I connection to 90% of VOi)
max IO
6.6
ms
Max Io
150
μs
tf
Vin shutdown fall time.
(From VI off to 10% of VO)
Io = 1A
1070
μs
INHIBIT start-up time
Max Io
6.5
ms
Max Io
100
μs
tInh
INHIBIT shutdown fall time
(From INHIBIT off to 10% of VO)
Io = 0.1 A
7.3
ms
IO
Output current
0
10
A
Ilim
Current limit threshold
Tref < max Tref,
20
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
25
mVp-p
Note 1: Output filter according to Ripple & Noise section
E
PMF 4000 series
POL regulator, Input 2.95-3.65 V, Output 10 A/25 W
EN/LZT 146 316 R1C Aug 2007
Ericsson Power Modules AB
Technical Specication
17
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