參數(shù)資料
型號： P95020NQG
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝： 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù)： 161/169頁
文件大?。?/td> 4297K
代理商： P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
91
2011 Integrated Device Technology, Inc.
SYMBOL
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNIT
IFDBK
Input Current Into FDBK pins
Operation Mode
-1
+1
A
ZFDBK_OFF
FDBK Pull Down Resistance in Shutdown
Shutdown Mode
7.1
k
Ω
UVLO
Under Voltage Lock Out Threshold
VSYS Rising
2.85
2.95
V
UVLOHYST
Under Voltage Lock Out Hysteresis
150
mV
TSD
Junction Temperature Device Shutdown
[Note 1] See ADC and PCON
Modules for programming
options
155
°C
Note 1: Guaranteed by design and/or characterization.
Note 2: Maximum output voltage limited to (VIN - IPEAK x RDS-ON_P).
Note 3: Component value is COUT =22 F, L=4.7H, CIN=10F.
Note 4: Buck clock will be coming from external crystal through PLL. The resultant frequency will be in 1% range from the nominal.
Buck Regulators – Typical Performance Characteristics
Figure 20. BUCK500 DC-DC Regulator Efficiency
vs. Load Current PWM Mode, 1MHz
Figure 21. BUCK1000 DC-DC Regulator Efficiency
vs. Load Current PWM Mode, 1MHz
Figure 22. BUCK500 DC-DC Regulator Efficiency
vs. Load Current PFM Mode
Figure 23. BUCK1000 DC-DC Regulator Efficiency
vs. Load Current PFM Mode
BUCK500_0 PWM Efficiency VIN = 3.8V
60%
65%
70%
75%
80%
85%
90%
95%
100%
0.000
0.100
0.200
0.300
0.400
0.500
LOAD (A)
E
FFI
C
IE
N
C
Y
3.3V
1.8V
1.2V
BUCK1000 PWM Efficiency VIN = 3.8V
70%
75%
80%
85%
90%
95%
100%
0.000 0.100 0.200 0.300 0.400
0.500 0.600 0.700 0.800 0.900 1.000
LOAD (A)
EF
F
IC
IEN
C
Y
3.3V
1.8V
1.2V
BUCK500_0 PFM Efficiency VIN = 3.8V
60%
65%
70%
75%
80%
85%
90%
95%
0
0.01
0.02
0.03
0.04
0.05
LOAD (A)
E
F
ICI
E
NCY
3.3V
1.8V
1.2V
BUCK1000 PFM Efficiency VIN = 3.8V
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0
0.01
0.02
0.03
0.04
0.05
LOAD (A)
E
FFI
C
IE
N
C
Y
3.3V
1.8V
1.2V
相關PDF資料
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相關代理商/技術(shù)參數(shù)
參數(shù)描述
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P95020ZDNQG8 制造商:Integrated Device Technology Inc 功能描述:132-VFQFPN - Tape and Reel
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