中文
English2A,1.0MHZ Synchronous Step-Up DC/DC Converter JTM2183, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM / PFM switching control circuit and an adjustable output current
The JTM2183 is synchronous， 2A，1.0MHZ step-up DC-DC Converter ， which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM / PFM switching control circuit and an adjustable output current limit circuit. With an internal low-ON-resistance N-ch Power MOS and P-ch Power MOS. This product is ideal for applications requiring high efficiency and a high output current.
●High efficiency.( up to 92%)
●Up to 90% Efficiency at IOUT=2A VOUT = 5V from 3.3V Input.
●Guaranteed 2.5A Output Current at VOUT = 5V from 3.3V Input
●Synchronous and internal P-ch Power MOSFET and N-ch power MOSFET , No Schottky Diode Required
●Oscillator frequency：1.0MHz
●Reference voltage : 1.25V（±2%）
●Input voltage range: 2.6 V to 4.4 V
● Continuous output current: 2.0A typ. (VIN=3V, VOUT=5.0V)
●Soft start function
●Shutdown function:1.0 μA max.
●UVLO (under-voltage lockout) function
●Current Limit: adjustable by the Rcs using different valve
●Thermal Shutdown Preotection:156℃</span>
Portable charger, mobile power.
Digital cameras, GPS, wireless transceiver
IPad-like computers, smart phones and portable handheld devices
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| Part Number | MODE | VIN | VOUT | Accu | FOSC | Eff. | Application | Package |
| JTM2100 | PFM | 0.9-6.5V | 3.0-5.0V | ±2.5% | 100K | 85% | ①②③④⑤⑥⑧</td> | SOT23-3/SOT23-5/SOT89-3 |
| JTM2101 | PWM | 0.9-6.5V | 3.0-5.0V | ±2.5% | 100K | 87% | ①②③④⑤⑥⑧</td> | SOT23-3/SOT23-5/SOT89-3 |
| JTM2108 | PFM | 0.9-6.5V | 2.7-5.6V | ±2.5% | 180K | 85% | ①②③④⑤⑥⑦</td> | SOT23-5/SOT89-3/SOT23-3/TO92 |
| JTM2109 | PFM/PWM | 0.9-6.5V | <20V | ±2% | 300K | 88% | ⑥⑦⑨⑩ | SOT23-5 |
| JTM2110 | PFM | 0.9-6.5V | 1.8-6.0V | ±2% | 150K/ | 85% | ①②③④⑤⑥ | SOT89-3 |
| 300K | /SOT23-5 | |||||||
| /SOT23-3 | ||||||||
| JTM2129 | PFM/PWM | 0.9-6.5V | <20V | ±2% | 300K | 88% | ⑥⑦⑨⑩ | SOT23-5 |
| JTM2135 | CHARGE | 2.7-5.5V | 5.0V | ±3% | 650K | 81% | ①②④⑦⑧</td> | SOT23-6 |
| JTM2139 | PFM/PWM | 0.9-6.5V | <20V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-5/ |
| SOT89-5 | ||||||||
| JTM2149 | PFM/PWM | 0.9-6.5V | <20V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-5/ |
| SOT89-5 | ||||||||
| JTM2159 | PFM/PWM | 2.5-5.0V | <12V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-6 |
| JTM2169 | PFM/PWM | 2.5-5.0V | <20V | ±2% | 1M | 88% | ①⑥⑦⑨⑩</td> | SOT23-6 |
| JTM2179 | PFM/PWM | 0.9-6.5V | <20V | ±2% | 1.2M | 85% | ⑥⑦⑨⑩ | SOT23-6 |
| JTM2185 | PFM/PWM, Synchronous | 2.9-4.4V | <5.5V | ±2% | 1M | 94% | ①②④⑦ | ESOP8 |
| JTM2186 | PFM, Synchronous | 0.9-6.5V | 1.8-6.0V | ±2% | 330K | 85% | ①②③④⑤⑥ | SOT89-3/ SOT23-5 |
| /SOT23-3 | ||||||||
| JTM2188 | PFM, Synchronous | 0.9-5.0V | 1.8-5.0V | ± 2% | 400K | 95% | ①②④⑥⑦</td> | SOT89/SOT23/ |
| SOT23-5/TO92 | ||||||||
| JTM2189 | PFM, Synchronous | 0.9-6.0V | 1.8-6.0V | ±2% | 140K | 81% | ①②③④⑤⑥ | SOT89/SOT23-3 |
| Applications： ①Battery powered equipJTMnt②Wireless mouse, Wireless keyboard③Toys④CaJTMra, Video caJTMra⑤VCR ⑥PDA⑦LED Lighting⑧Wireless communication equipJTMnt⑨MID⑩Audio equipJTMnt | ||||||||
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