參數(shù)資料
型號： P95020ZLLGI
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA124
封裝： LLGA-124
文件頁數(shù)： 112/137頁
文件大?。?/td> 3533K
代理商： P95020ZLLGI
P95020 / Preliminary Datasheet
Revision 0.7.10
76
2010 Integrated Device Technology, Inc.
REFERENCE
& BIAS
REGISTER
ACCESS BUS
INTERFACE
BUCK1000
STEP_DOWN
CONVERTER
1000mA
ADJ
0.75V TO 3.7V
BUCK VOUT
REGISTER
BUCK
CONTROL
REGISTER &
STATUS
BUCK1000_IN
BUCK1000_OUT
BUCK1000_GND
BUCK1000_FDBK
BUCK500_1
STEP_DOWN
CONVERTER
500mA
ADJ
0.75V TO 3.7V
BUCK VOUT
REGISTER
BUCK
CONTROL
REGISTER &
STATUS
BUCK500_1_IN
BUCK500_1_OUT
BUCK500_1_GND
BUCK500_1_FDBK
BUCK500_0
STEP_DOWN
CONVERTER
500mA
ADJ
0.75V TO 3.7V
BUCK VOUT
REGISTER
BUCK
CONTROL
REGISTER &
STATUS
BUCK500_0_IN
BUCK500_0_OUT
BUCK500_0_GND
BUCK500_0_FDBK
Figure 16
– BUCK500 / BUCK1000 Block Diagram
8.1
BUCK1000 & BUCK500 - PIN DEFINITIONS
DIAGRAM ID
Pin #
BUCK500_0
Pin #
BUCK500_1
Pin #
BUCK1000
FEEDBACK
085
BC0_ FDBK
081
BC1_FDBK
077
BC2_FDBK
GND
086
BC0_GND
082
BC1_GND
078
BC2_GND
OUT
087
BC0_OUT
083
BC1_OUT
079
BC2_OUT
VIN
088
BC0_IN
084
BC1_IN
080
BC2_IN
8.2
BUCK1000 & BUCK500 - ELECTRICAL CHARACTERISTICS
Unless otherwise specified, typical values at TA=25C, VIN =
VSYS =3.8V, TA = -40°C to +85°C (VIN must be connected to VSYS)
SYMBOL
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage
VIN = VSYS
3.0
4.5
V
VOUT
Programmable Output Voltage Range
Note 2
0.75
3.70
V
OUT
Output Voltage Step Size
25
mV
OVERALL
Overall Output Voltage Accuracy
VIN = 3.0V to 4.5V, IOUT = 0 to Imax,
Note 1, Note 3
-3
+3
%
IOUT-PFM
Maximum Output Current in PFM Mode,
(BUCK500)
Maximum Output Current in PFM Mode,
(BUCK1000)
VIN = 3.0V to 4.5V, Note 1, Note 3
100
200
mA
IOUT-PWM
Maximum Output Current in PWM Mode,
(BUCK500)
Maximum Output Current in PWM Mode,
VIN = 3.0V to 4.5V, Note 1, Note 3
500
1000
mA
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