參數(shù)資料
型號(hào): SP6120
英文描述: Fixed Frequency, Voltage Mode, Synchronous PWM Controller(固定頻率,電壓模式同步PWM(脈寬調(diào)制控制器))
中文描述: 固定頻率,電壓模式,同步PWM控制器(固定頻率,電壓模式同步的PWM(脈寬調(diào)制控制器))
文件頁數(shù): 5/20頁
文件大?。?/td> 187K
代理商: SP6120
5
P
Rev. 2/15/01
SP6120 Low Voltage, AnyFET
TM
, Synchronous, Buck Controller Copyright 2001 Sipex Corporation
BLOCK DIAGRAM
APPLICATIONS
Figure 1. Schematic 3.3V to 1.9V Power Supply
QT, QB = FAIRCHILD FDS6690A
L1 = PANASONIC ETQP6F2R5SFA
DS = STMICROELECTRONICS STPS2L25U
+
-
+
-
-
+
-
+
-
+
-
+
-
+
+
-
Synchronous
Driver
Driver
Logic
Soft Start
& Hiccup Logic
T
OFF
S
Q
R
Set Dominant
S
Q
R
Program
Logic
Window
Comparator
Logic
3%
ENABLE
GND
V
FB
COMP
V
CC
ISP
ISN
Reference
SS
2.85 V
ON
2.75 V
OFF
400mV
3
4
2
13
5
6
10
SS
2V
V
FB
3% Low ENABLE
V
FB
1.25V
GM
V
FB
Zero crossing detect
250mV
SS
7
I
CHARGE
0.65V
12
8
PGND
R
OSC
11
14
15
16
9
DiContinuous/
NFET/PFET
ON 100%
OFF 100%
RESET
PWM Latch
QPWM
FAULT
F (kHz) = 5.7E6/R
OSC
(
)
+
-
10
μ
s
OVC
UVLO
1V RAMP
3%
PROG
BST
GH
SWN
-
+
GL
x 10
C
IN
= SANYO 6TPB330M
C
OUT
= SANYO 4TPB470M
SP6120
NC
ENABLE
ISP
ISN
V
FB
COMP
SS
R
OSC
BST
GH
SWN
GND
PGND
GL
V
CC
PROG
NMOS High Side Drive
PROG = GND
ENABLE
CP
CZ
4.7nF
RZ
15k
SS
C
μ
F
R
18.7k
CV
CC
2.2
μ
F
V
IN
MBR0530
C
BST
1
μ
F
QT
3.3V
V
IN
C
IN
330
μ
F x 2
RS
22.1k
CS
39nF
L1
2.5
μ
H
1.9V
V
OUT
RF
5.23k
C
OUT
470
μ
F x 3
RI
QB
DS
C
B
1
μ
F
相關(guān)PDF資料
PDF描述
SP6122ACU-15 Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
SP6122CU Evaluation Board Manual
SP6122EB Evaluation Board Manual
SP6122UEB Evaluation Board Manual
SP6122ACU-1.5 Low Voltage, Micro 8, PFET, Buck Controller Ideal for 1A to 5A, Small Footprint, DC-DC Power Converters
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SP6120_05 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Voltage, AnyFETTM, Synchronous,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Converters
SP612-05 制造商:Delphi Corporation 功能描述:WIRE STOP
SP612-07 制造商:Delphi Corporation 功能描述:LOCATOR
SP612-08 制造商:Delphi Corporation 功能描述:PIVOT PIN
SP6120B 制造商:SIPEX 制造商全稱:Sipex Corporation 功能描述:Low Voltage, AnyFETTM, Synchronous ,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Converters