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Details for MIC3809YM by Microchip Technology
MIC3809
MIC3809YM
Buy Directly from Microchip Technology Inc (22895 in stock) $2.4200
Push-Pull DC/DC Controller
MIC3809YM image

MIC3809YM by Microchip Technology

Push-Pull DC/DC Controller
Features
Dual output drive stages in push-pull configuration
Leading edge current-sense blanking
130µA typical start-up current
1mA typical run current
Operation to 1MHz
Internal soft start
On-chip error amplifier with 4MHz gain bandwidth product
On-chip VDD clamping
Output drive stages capable of 500mA peak source current, 1A peak sink current
Description
The MIC3808 and MIC3809 are a family of complementary output push-pull PWM control ICs that feature high speed and low power consumption. The MIC3808/9 are ideal for telecom level (36V to 75V) isolated step down DC/DC conversion applications where high output current, small size, and high efficiency are required. The dual-ended push-pull architecture of the MIC3808/9 allows more efficient utilization of the transformer than single-ended topologies, allowing smaller size DC/DC solutions. Additionally, the out-of-phase push-pull topology allows a higher effective duty cycle, reducing input and output ripple as well as stress on the external components. The dead-time between the two outputs is adjustable between 60ns to 200ns, limiting the duty cycle of each output stage to less than 50%. The MIC3808/9 are built on a low-power, high-speed BiCMOS process. The 130µA start-up current and 1mA run-current reduce the size of the start-up circuitry and allow high efficiency even at light loads. The high-speed internal 4MHz error amplifier allows MIC3808/9 operation up to 1MHz. The MIC3808 has a turn-on threshold of 12.5V whereas the MIC3809 has a lower turn-on threshold of 4.3V. Both devices are available in SOP-8 and MSOP-8 package options with an operating range of -40°C to +85°C.
Specifications
Supported Topologies:
Push-Pull, Half Bridge, Full Bridge
Supported Outputs:
1
Minimum Input Voltage (V):
4.1
Maximum Input Voltage (V):
15
Duty Cycle Max (%):
0.49
Operating Frequency (Hz):
Adj. to 1M
Soft Start:
True
Internal Voltage Bias:
True
Current Limit / Short Circuit Protection:
True
Input UVLO Typ (V):
4.3
Operating Supply Current (mA):
1
Package:
8/SOP, 8/MSOP
Temperature Range:
-40C to +85C
Alternate Descriptions
PUSH-PULL DC/DC CONTROLLER 8 SOIC 3.90MM(.150IN) TUBE Newark Electronics
PUSH-PULL DC/DC CONTROLLER Avnet America
PMIC; PWM controller; 0.5A; 0.01÷1MHz; Channels:2; SO8; push-pull Transfer Multisort Elektronik
Push-Pull DC/DC Controller Microchip Technology Inc
PUSH-PULL DC/DC CONTROLLER Avnet Europe
MIC3809 Series 2 mA 1 MHz Surface Mount Push-Pull PWM Controller - SOIC-8 Future Electronics
Details for MIC3809YM by Microchip Technology
MIC3809
MIC3809YM
Buy Directly from Microchip Technology Inc (22895 in stock) $2.4200
PWM CTRL PUSH-PULL 4.1-15V SOIC-8
MIC3809YM image

MIC3809YM by Microchip Technology

PWM CTRL PUSH-PULL 4.1-15V SOIC-8
Features
130u00b5A typical start-up current
1mA typical run current
Internal soft start
Leading edge current-sense blanking
On-chip VDD clamping
On-chip error amplifier with 4MHz gain bandwidth product
Operation to 1MHz
Output drive stages capable of 500mA peak source
Part Information
MIC3809YM image
RoHS Compliant
Description
The MIC3808 and MIC3809 are a family of complementary outputpush-pullPWMcontrolICsthatfeaturehighspeedand lowpowerconsumption.TheMIC3808/9areidealfortelecom level (36V to 75V) isolated step down dc/dc conversion applications where high output current, small size, and high efficiency are required. The dual-ended push-pull architecture of the MIC3808/9 allows more efficient utilization of the transformer than single- ended topologies, allowing smaller size dc/dc solutions. Additionally, the out-of-phase push-pull topology allows a higher effective duty cycle, reducing input and output ripple as well as stress on the external components. The dead-time between the two outputs is adjustable between 60ns to 200ns,limitingthedutycycleofeachoutputstagetolessthan 50%. TheMIC3808/9arebuiltonalow-power,high-speedBiCMOS process. The 130µA start-up current and 1mA run-current reduce the size of the start-up circuitry and allow high efficiency even at light loads. The high-speed internal 4MHz error amplifier allows MIC3808/9 operation up to 1MHz. The MIC3808 has a turn-on threshold of 12.5V whereas the MIC3809 has a lower turn-on threshold of 4.3V. Both devices are available in SOP-8 and MSOP-8 package options with an operating range of –40°C to +85°C.
Specifications
Input Voltage:
-
Output Voltage:
-
Output Current:
1A
Supply Voltage Min:
4.1V
Supply Voltage Max:
15V
Controller IC Case Style:
SOIC
No. of Pins:
8Pins
Frequency:
1MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
PUSH-PULL DC/DC CONTROLLER 8 SOIC 3.90MM(.150IN) TUBE Newark Electronics
PUSH-PULL DC/DC CONTROLLER Avnet America
PMIC; PWM controller; 0.5A; 0.01÷1MHz; Channels:2; SO8; push-pull Transfer Multisort Elektronik
Push-Pull DC/DC Controller Microchip Technology Inc
PUSH-PULL DC/DC CONTROLLER Avnet Europe
MIC3809 Series 2 mA 1 MHz Surface Mount Push-Pull PWM Controller - SOIC-8 Future Electronics