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Numéro de référence | YD3843 | ||
Description | CURRENT MODE PWM CONTROL CIRCUITS | ||
Fabricant | Wuxi Youda electronics | ||
Logo | |||
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YOUDA INTEGRATED CIRCUIT
YD3843
CURRENT MODE PWM CONTROL CIRCUITS—YD3843
DESCRIPTION
The YD3843 provides the necessary features to implement off-line or DC to DC fixed frequency current mode
control schemes with a minimal external parts count.
FEATURES
*Optimized for off-line and DC to DC converts
*Low start up current(<1mA)
*Automatic feed forward compensation
*Pulse-by-Pulse current limiting
*Enhanced load response characteristic
*Under-voltage lookout with hysteresis.
*Double pulse Suppression
*High current totem pole output
*Internally trimmed band-gap reference
*500kHz operation
*Low Ro error amp
BLOCK DIAGRAM
8765
1/2
5V
REF
S/R
UVL
VCC
+ EA
-
12
1/3
1V
3
RS
OSC
4
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE Tel: 86-755-83740369
Fax: 86-755-83741418
Ver 5.0
1 of 4
2006-7-10
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Pages | Pages 4 | ||
Télécharger | [ YD3843 ] |
No | Description détaillée | Fabricant |
YD3842 | CURRENT MODE PWM CONTROL CIRCUITS | Wuxi Youda electronics |
YD3843 | CURRENT MODE PWM CONTROL CIRCUITS | Wuxi Youda electronics |
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