CS396, CS3972, CS3987 Selling Leads, Datasheet
MFG:120 Package Cooled:CS D/C:05+06+
CS396, CS3972, CS3987
- Table of contents:
Info of CS396
Info of CS3972
Info of CS3987
Attentive hint
Want to post a buying lead? If you are not a member yet, please select the specific/related part number first and then fill the quantity and your contact details in the "Request for Quotation Form" on the left, and then click "Send RFQ".Your buying lead can then be posted, and the reliable suppliers will quote via our online message system or other channels soon.
Top Sellers:
TOP
About CS30
PDF/DataSheet Download
Datasheet: CS30
File Size: 58566 KB
Manufacturer: IXYS [IXYS Corporation]
Download : Click here to Download
About CS3972
PDF/DataSheet Download
Datasheet: CS3972
File Size: 190974 KB
Manufacturer: CHERRY [Cherry Semiconductor Corporation]
Download : Click here to Download
About CS30
PDF/DataSheet Download
Datasheet: CS30
File Size: 58566 KB
Manufacturer: IXYS [IXYS Corporation]
Download : Click here to Download
CS3972 General Description
The CS3972 is a 1.25A, 60V, current mode, high efficiency, switching regulator circuit. It can be configured in buck, boost, forward, isolated and non-isolated topologies, using a single-ended switch. The IC contains a 1.25A high efficiency output switch, precision bandgap reference, voltage regulator, error amplifier, oscillator, control, and protection circuitry.
Output transistor efficiency is achieved by keeping the switch in quasi-saturation when it is on. This minimizes the switch turn-off delay time and power dissipation, an important consideration for applications with wide ranging loads.
The precision reference is internally trimmed to 1.24V, while the oscillator frequency is internally trimmed to 40kHz. The on board 2.3V regulator powers the internal circuitry.
By keeping the voltage regulator at 2.3V, the IC is able to operate down to 3V and maintain a constant input supply current of 6mA(typ).
Synchronization mode is achieved by applying a pulsating VC voltage of less than 0.2V with a duration of about 0.5s to VC pin. The switching frequency can be adjusted from 50kHz to 70kHz. The IC's synchronization mode is set externally.
Protection circuitry includes a variable current limit with external voltage clamp, under-voltage and over-temperature protection.
Output transistor efficiency is achieved by keeping the switch in quasi-saturation when it is on. This minimizes the switch turn-off delay time and power dissipation, an important consideration for applications with wide ranging loads.
The precision reference is internally trimmed to 1.24V, while the oscillator frequency is internally trimmed to 40kHz. The on board 2.3V regulator powers the internal circuitry.
By keeping the voltage regulator at 2.3V, the IC is able to operate down to 3V and maintain a constant input supply current of 6mA(typ).
Synchronization mode is achieved by applying a pulsating VC voltage of less than 0.2V with a duration of about 0.5s to VC pin. The switching frequency can be adjusted from 50kHz to 70kHz. The IC's synchronization mode is set externally.
Protection circuitry includes a variable current limit with external voltage clamp, under-voltage and over-temperature protection.
CS3972 Maximum Ratings
Input Voltage Range ...................................................................................................................3V to 60V
Output Switching Voltage.................................................................................................................. 75V
Voltage Transient (tr=10s, tf=400ms)................................................................................................60V
ESD (Human Body Model; R=1.5k, C=100pF) ...................................................................................2kV
Junction Temperature Range........................................................................................ -40°C to +150°C
Storage Temperature Range ..................................................................................... -65°C to +150°C
Lead Temperature Soldering
Wave Solder (through hole styles only)......................................................... 10 sec. max, 260°C peak
Reflow (SMD styles only) ........................................................60 sec. max above 183°C, 230°C peak
Feedback Pin Voltage (1ms transient)................................................................................................±15V
Output Switching Voltage.................................................................................................................. 75V
Voltage Transient (tr=10s, tf=400ms)................................................................................................60V
ESD (Human Body Model; R=1.5k, C=100pF) ...................................................................................2kV
Junction Temperature Range........................................................................................ -40°C to +150°C
Storage Temperature Range ..................................................................................... -65°C to +150°C
Lead Temperature Soldering
Wave Solder (through hole styles only)......................................................... 10 sec. max, 260°C peak
Reflow (SMD styles only) ........................................................60 sec. max above 183°C, 230°C peak
Feedback Pin Voltage (1ms transient)................................................................................................±15V
CS3972 Features
· 75VMAX, 2APEAK Internal witch
· 3V to 60V Input Voltage Range
· 6mA Input Supply Current
· 1.24V Precision Reference
· 40kHz Switching Frequency
· Variable Current Limit with External Voltage Clamp
· Under-Voltage Protection
· Over-Temperature Protection
· External Synchronization
· 3V to 60V Input Voltage Range
· 6mA Input Supply Current
· 1.24V Precision Reference
· 40kHz Switching Frequency
· Variable Current Limit with External Voltage Clamp
· Under-Voltage Protection
· Over-Temperature Protection
· External Synchronization
CS3972 Connection Diagram
MT58L64L18CT-10
Price: 4-6 USD
MT58L64L18CT-10 TQFP100
DL-7140-211M
Price: 5-6.5 USD
DL-7140-211M laser tube
74LVC74APG
Price: 4-5 USD
74LVC74APG - IC FLIP FLOP D-Type POS-EDG DUAL 14TSSOP
CY28346ZI-2
Price: 6.5-8 USD
CYPRESS - Clock Synthesizer with Differential CPU Outputs
PI5V330QEX
Price: 0.284-0.286 USD
PI5V330QEX Pericom Multiplexer Switch ICs
BSM300GA120DN2
Price: 1-2 USD
IGBT power module, Single switch, 1200 V, Collector-emitter voltage, 430A
SVA150XG04TB
Price: 1-2 USD
a-Si TFT-LCD, NEC, 228.096Hmm, 560V
PC354N1
Price: 0.124-0.2 USD
PC354N1T - Mini-flat Package, AC Input Type Photocoupler - Sharp Electrionic Components
RL1210JR-070R22L
Price: 0.177-0.178 USD
RL1210JR51-XX-BL - Thick Film Chip Resistor Low Ohmic - TAITRON Components Incorporated
STPS140A
Price: 0.053-0.055 USD
STPS140A - POWER SCHOTTKY RECTIFIER - STMicroelectronics
STA013
Price: 1.45-1.5 USD
STA013 - MPEG 2.5 LAYER III AUDIO DECODER - STMicroelectronics
SMBJ5347B
Price: 0.073-0.075 USD
SMBJ5347B - 5 Watt Surface Mount Silicon Zener Diodes - Micro Commercial Components
