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| 型號(hào)： | SG3846DW |
| 廠商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | CURRENT MODE PWM CONTROLLER |
| 中文描述： | 0.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 210K |
| 代理商： | SG3846DW |
SG1846
4/90 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
∞
∞
Garden Grove, CA 92841
(714) 898-8121
∞
FAX: (714) 893-2570
4
ELECTRICAL CHARACTERISTICS
(continued)
Max. Min. Typ. Max.
Typ.
SG3846
Parameter
Test Conditions
Units
SG1846
SG2846
7.7
0.75
8.0
7.7
0.75
8.0
V
V
Note 4.These parameters although guaranteed over the recommended
operating conditions, are not tested in production.
Note 5.Parameter measured at trip point of latch with V
PIN 5
= V
REF
,
V
= 0V.
Note 6.Amplifier gain defined as : G =
; V
PIN 4
= 0V to 1.0V
Note 7.Current into Pin 1 guaranteed to latch circuit in shutdown state.
Note 8.Current into Pin 1 guaranteed not to latch circuit in shutdown
state.
Note 9.R
T
= 10K
, C
T
= 4.7nF
Min.
CHARACTERISTIC CURVES
FIGURE 1.
REFERENCE VOLTAGE VS. TEMPERATURE
FIGURE 2.
V
REF
SHORT CIRCUIT CURRENT VS. TEMPERATURE
FIGURE 3.
CURRENT SENSE THRESHOLD
VS. ERROR AMPLIFIER OUTPUT
FIGURE 4.
CURRENT SENSE GAIN VS. TEMPERATURE
FIGURE 5.
OSCILLATOR VALLEY VOLTAGE VS. TEMPERATURE
FIGURE 6.
OSCILLATOR PEAK VOLTAGE VS. TEMPERATURE
Under-Voltage Lockout Section
Start-Up Threshold
Threshold Hysteresis
Total Standby Current
Supply Current
17
21
17
21
mA
V
PIN 7
V
PIN 4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG3846J | CURRENT MODE PWM CONTROLLER |
| SG3846N | CURRENT MODE PWM CONTROLLER |
| SG2846DW | CURRENT MODE PWM CONTROLLER |
| SG2846J | CURRENT MODE PWM CONTROLLER |
| SG2846N | CURRENT MODE PWM CONTROLLER |
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| SG3846J | 制造商:Microsemi Corporation 功能描述:SG3846J - Bulk |
| SG3846N | 制造商:Microsemi Corporation 功能描述:Current Mode PWM Controller 100mA 16-Pin PDIP 制造商:Microsemi Corporation 功能描述:CURRENT MODE PWM CNTRLR 100MA 16PDIP - Bulk |
| SG3846Q | 制造商:Microsemi Corporation 功能描述:SG3846Q - Bulk |
| SG385 | 制造商:Distributed By MCM 功能描述:Cat6 180° Ethernet Keystone Jack |
| SG386 | 制造商:Distributed By MCM 功能描述:Cat5e 90° Ethernet Keystone Jack |
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