NX2422 データシートの表示（PDF） - Microsemi Corporation
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NX2422
Microsemi Corporation
NX2422 Datasheet PDF : 20 Pages
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NX2422
ABSOLUTE MAXIMUM RATINGS
Vcc to PGND & BST to SW voltage .................... -0.3V to 6.5V
BST to PGND Voltage ...................................... -0.3V to 35V
SW to PGND .................................................... -2V to 35V
All other pins .................................................... -0.3V to 6.5V
Storage Temperature Range ............................... -65oC To 150oC
Operating Junction Temperature Range ............... -40oC To 125oC
Lead temperature(Soldering 5s) ........................... 260oC
CAUTION: Stresses above those listed in "ABSOLUTE MAXIMUM RATINGS", may cause permanent damage to
the device. This is a stress only rating and operation of the device at these or any other conditions above those
indicated in the operational sections of this specification is not implied.
PACKAGE INFORMATION
24 LEAD PLASTIC MLPQ
θJA ≈ 30.5oC/W
24 23 22 21 20 19
HDRV1 1
BST1 2
5VCC 3
AGND 4
PGND(PAD)
18 HDRV2
17 BST2
16 INREFOUT/POK
15 REFIN
EN2_B 5
CS+1 6
14 CSCOMP
13 FB
7 8 9 10 11 12
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over 5Vcc = 5V, PVcc= 5V, V -V =5V, EN2_B=GND,
BST SW
and T = 0 to 70oC. Typical values refer to T = 25oC. Low duty cycle pulse testing is used which keeps junction and
A
A
case temperatures equal to the ambient temperature.
PARAMETER
Supply Voltage(Vcc)
5VCC ,PVCC Voltage Range
SYM
VCC
TEST CONDITION
MIN TYP MAX UNITS
4.5
5
5.5
V
5VCC Supply Current (static) ICC (Static) REFIN=GND, EN2_B=5V
-
6.7
mA
PVCC Supply Current
(Dynamic)
VBST Voltage Range
VBST Supply Current
((Dynamic))
REFIN=5V, EN2_B=GND,
ICC
Freq=200Khz per phase
(Dynamic) CLOAD=2200PF
VBST to VSW
VBST
REFIN=5V, EN2_B=GND,
Freq=200Khz per phase
(Dynamic) CLOAD=2200PF
4.4
mA
4.5
5
5.5
V
4.5
mA
Rev.2.1
2
12/01/08
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