- 您现在的位置：买卖IC网 > Sheet目录17381 > SP6121EB (Exar Corporation)EVAL BOARD FOR SP6121
ABSOLUTE MAXIMUM RATINGS
V CC ...................................................................................................... 7V
All other pins ............................... -0.3V to V CC +0.3V
Peak Output Current < 10 μ s
PDRV, NDRV ....................................................... 2A
Storage Temperature ...................... -65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec) .......... 300 ° C
These are stress ratings only and functional
operation of the device at these ratings or any other
above those indicated in the operation sections of
the specifications below is not implied. Exposure to
absolute maximum rating conditions for extended
periods of time may affect reliability.
ESD Rating ............................................... 2kV HBM
ELECTRICAL CHARACTERISTICS
Unless otherwise specified: 0 ° C < T A < 70 ° C, 3.0V < V CC < 5.5V, C COMP = 22nF, C PDRV = C NDRV = 3.3nF, V FB = 1.25V, I SET = I SENSE = V CC , GND=0V
PARAMETER
MIN
TYP
MAX UNITS CONDITIONS
QUIESCENT CURRENT
V CC Supply Current
V CC Supply Current (Disabled)
-
-
0.5
25
1.0
60
mA
μ A
No Switching
COMP = 0V
ERROR AMPLIFIER
Error Amplifier Transconductance
600
μ s
COMP Sink Current
COMP Source Current
15
15
35
35
65
65
μ A
μ A
V FB = 1.35V, COMP=0.8V, No Faults
V FB =1.15V, COMP=1.8V
COMP Output Impedance
V FB Input Bias Current
ERROR AMPLIFIER REFERENCE
3
100
M ?
nA
Initial Accuracy
Error Amplifier Reference over
1.238
1.225
1.250
1.250
1.262
1.275
V
V
Trimmed with Error Amp in Unity Gain
Line, Load and Temperature
OSCILLATOR & DELAY PATH
Internal Oscillator Frequency
440
500
560
kHz
Maximum Duty Cycle
Minimum Duty Cycle
Minimum PDRV Pulse Width
100
-
-
-
100
-
0
%
%
ns
COMP = 2V
COMP = 0.8V
V CC > 4.5V, Ramp up COMP voltage
until PDRV starts switching
CURRENT LIMIT
Internal Current Limit Threshold
ISET Sink Current
125
25
160
30
195
35
mV
μ A
V ISET - V ISENSE , T A = 25 ° C
V ISET =5V, T A = 25 ° C
Current Limit Threshold and
ISET Temperature Coefficient
Current Limit Time Constant
0.33
15
%/C
μ s
ISENSE Input Bias Current
-
-
100
nA
SOFT START, SHUTDOWN, UVLO
Internal Soft Start Slew Rate
0.4
V/ms
Measured at COMP pin on the
transition from shutdown
Internal Soft Start Delay Time
1.5
ms
COMP charging to PDRV switching
COMP Discharge Current
150
300
μ A
COMP = 0.5V, Fault Initiated
COMP Clamp Voltage
COMP Clamp Current
0.6
0.7
100
0.8
V
μ A
V FB = 1.3V
COMP = 0.5V, V FB =1.15V
Date: 11/29/04
SP6121 Low Voltage, Synchronous Step Down PWM Controller
2
? Copyright 2004 Sipex Corporation
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
A9CCA-0408F
FLEX CABLE - AFG04A/AF04/AFG04A
R1S-2409/P-R
CONV DC/DC 1W 24VIN 09VOUT
SP6120EB
EVAL BOARD FOR SP6120
ASPI-6045S-330M-T
INDUCTOR POWER 33UH 6045 SMD
TDC475K020NSE-F
CAP TANT 4.7UF 20V 10% RADIAL
ECM15DCST
CONN EDGECARD 30POS DIP .156 SLD
195D106X9015X2T
CAP TANT 10UF 15V 10% 2910
591D105X9035A2T15H
CAP TANT 1UF 35V 10% 1507
相关代理商/技术参数
SP6122
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122_04
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122ACU
制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述:
SP6122ACU/TR
制造商:Exar Corporation 功能描述:
SP6122ACU-1.5
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122ACU-1.5/TR
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122ACU-15
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122ACU-15/TR
制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters