参数资料
型号: PMH4518TS
厂商: ERICSSON POWER MODULES AB
元件分类: 电源模块
英文描述: 1-OUTPUT 55 W DC-DC REG PWR SUPPLY MODULE
封装: ROHS COMPLIANT, PACKAGE-10
文件页数: 9/29页
文件大小: 677K
代理商: PMH4518TS
Limited Internal
PRODUCT SPEC.
17 (19)
Prepared (also subject responsible if other)
No.
SEC/D KEVIN YAN
2/1301-BMR 645 4 Uen
Approved
Checked
Date
Rev
Reference
SEC/D Wei Zhang A
2006-1-27
A
2.5 V/22 A Electrical Specification
PMH 4518T
T
ref = -40 to +85C, VI = 2.95 to 3.65 V, Radj = 2.21 k, 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=1000uF 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
2.7
V
VIon
Turn-on input voltage
Increasing input voltage
2.8
2.95
V
CI
Internal input capacitance
75
F
PO
Output power
0
55
W
50 % of max IO
93.8
η
Efficiency
max IO
89.5
%
Pd
Power Dissipation
max IO
6.5
7.0
W
Pli
Input idling power
IO= 0, VI = 3.3 V
230
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
18.7
A
fs
Switching frequency
0-100% of max IO
250
300
340
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
2.507
V
Line regulation
max IO
±5
mV
VO
Load regulation
VI = 3.3 V, 0-100% of max IO
±5
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/s,
see Note 1
40
s
tr
Ramp-up time
(from 1090 % of V
Oi)
3.7
ms
ts
Start-up time
(from V
I connection to 90% of VOi)
max IO
6.5
ms
Max Io
130
s
tf
Vin shutdown fall time.
(From VI off to 10% of VO)
Io = 1A
1150
s
INHIBIT start-up time
Max Io
6.3
ms
Max Io
100
s
tInh
INHIBIT shutdown fall time
(From INHIBIT off to 10% of VO)
Io = 0.1 A
3.6
ms
IO
Output current
0
22
A
Ilim
Current limit threshold
Tref < max Tref,
41
A
VOac
Output ripple & noise
See ripple & noise section,
max IO, VOi
20
mVp-p
Note 1: Output filter according to Ripple & Noise section
E
PMH 4000 series
POL regulator, Input 2.95-3.65 V, Output 22 A/55 W
EN/LZT 146 322 R1B February 2006
Ericsson Power Modules AB
Technical Specication
E
PMH 4000 series
POL regulator, Input 2.95-3.65 V, Output 22 A/55 W
EN/LZT 146 322 R1B April 2006
Ericsson Power Modules AB
Technical Specication
17
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