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參數(shù)資料
| 型號： | R1283Z1A-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源模塊 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 1.50 X 2.40 MM, WLCSP-11 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 416K |
| 代理商： | R1283Z1A-E2 |
R1283x
4
ABSOLUTE MAXIMUM RATINGS
(GND / PGND=0V)
Item
Symbol
Rating
Unit
VCC / PVCC pin Voltage
VCC
6.5
V
VFB1 pin Voltage
VDTC
-0.3~VCC+0.3
V
VFB2 pin Voltage
VFB
-0.7(*1)~VCC+0.3
V
CE pin Voltage
VCE
-0.3~VCC+0.3
V
VREF pin Voltage
VREF
-0.7(*1)~VCC+0.3
V
LX1 pin Voltage
VLX1
-0.3~24
V
LX1 pin Current
ILX1
Internally Limited
A
LX2 pin Voltage
VLX2
VCC-24 ~ VCC+0.3
V
LX2 pin Current
ILX2
Internally Limited
A
VOUTN pin Voltage
VNFB
VCC-24 ~ VCC+0.3
V
Power Dissipation
PD
1000
mW
Operating Temperature Range
Topt
-40 ~ +85
C
Storage Temperature Range
Tstg
-55 ~ +125
C
*1: In case the voltage range is from -0.7V to -0.3V, permissible current is 10mA or less.
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are threshold limit values that must not be exceeded ever for an
instant under any conditions. Moreover, such values for any two items must not be reached
simultaneously. Operation above these absolute maximum ratings may cause degradation or
permanent damage to the device. These are stress ratings only and do not necessarily imply
functional operation these limits.
ELECTRICAL CHARACTERISTICS
(Topt=25C)
Symbol
Item
Conditions
MIN.
TYP.
MAX.
Unit.
VCC
Operating Input Voltage
2.5
5.5
V
VCC=5.5V , FREQ=300kHz
2.0
mA
VCC=5.5V , FREQ=700kHz
4.0
mA
ICC1
VCC consumption current
(switching)
VCC=5.5V , FREQ =1400 kHz
8.0
mA
ICC2
VCC=5.5V , FREQ=300kHz
250
uA
VCC=5.5V , FREQ=700kHz
300
uA
VCC consumption current
(at no switching)
VCC=5.5V , FREQ =1400 kHz
350
uA
ISTB
Standby current
VCC=5.5V
0.1
3
uA
VUVLO1
UVLO detect voltage
Falling
2.05
2.15
2.25
V
VUVLO2
UVLO released voltage
Rising
VUVLO1
+0.16
2.48
V
VREF
VREF voltage tolerance
VCC=3.3V
1.172
+VFB2
1.2
+VFB2
1.228
+VFB2
V
VREF
/T
VREF voltage
temperature coefficient
VCC=3.3V
-40C≦Topt≦85C
±
150
Ppm
/C
VREF
/VCC
VREF Line regulation
2.5≦VCC≦5.5V
5
mV
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