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The JTM2182 is synchronous， 2A，1.2MHZ step-up DC-DC controller ， which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PF

1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）

一.产品概述

The JTM2182 is synchronous， 2A，1.2MHZ step-up DC-DC controller ， 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 external low-on-resistance Nch Power MOS and Pch Power MOS. This product is ideal for applications requiring high efficiency and a high output current.

二.产品特点

● High efficiency ( up to 93%)

● Up to 90% Efficiency at IOUT=2A V OUT = 5V from 3.3V Input

● Guaranteed 2.5A Output Current at VOUT = 5V from 3.3V Input

● Synchronous and External Pch Power MOSFET and Nch power MOSFET ， No Schottky Diode Required

● Oscillator frequency：1.2MHz

● Reference voltage : 0.6V（±2%）

● Input voltage range: 2.2 V to 5.5 V

● Continuous output current: 2.0A typ. (VDD=3V, Vout=5.0V)

● Soft start function: 5ms.typ.

● Shutdown function:1.0μA max.

● UVLO (under-voltage lockout) function

● Current Limit: adjustable by the Rcs using different valve

● Package：ESOP8, SOP8

三.应用范围

 Portable charger

 Digital caJTMras, GPS, wireless transceiver

 IPad-like computers, smart phones and portable handheld devices

四.技术规格书（产品PDF)

需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

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五.产品封装图

六.电路原理图

七.相关芯片选择指南

Part Number	MODE	VIN	VOUT	Accu	FOSC	Eff.	Application	Package
JTMXX1C	PFM	0.9-6.5V	2.7-5.0V	±2.5%	100K	85%	①②③④⑤⑥⑦	SOT23-3 /TO92
JTMXX1C	PFM	0.9-6.5V	2.7-5.0V	±2.5%	100K	85%	①②③④⑤⑥⑦	/SOT89-3
JTM2100	PFM	0.9-6.5V	3.0-5.0V	±2.5%	100K	85%	①②③④⑤⑥⑧	SOT23-3/SOT23-5/SOT89-3
JTM2101	PWM	0.9-6.5V	3.0-5.0V	±2.5%	100K	87%	①②③④⑤⑥⑧	SOT23-3/SOT23-5/SOT89-3
JTM2108	PFM	0.9-6.5V	2.7-5.6V	±2.5%	180K	85%	①②③④⑤⑥⑦	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	SOT23-6
JTM2139	PFM/PWM	0.9-6.5V	<20V	±2%	1M	85%	⑥⑦⑨⑩	SOT23-5/
JTM2139	PFM/PWM	0.9-6.5V	<20V	±2%	1M	85%	⑥⑦⑨⑩	SOT89-5
JTM2149	PFM/PWM	0.9-6.5V	<20V	±2%	1M	85%	⑥⑦⑨⑩	SOT23-5/
JTM2149	PFM/PWM	0.9-6.5V	<20V	±2%	1M	85%	⑥⑦⑨⑩	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	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
JTM2186	PFM, Synchronous	0.9-6.5V	1.8-6.0V	±2%	330K	85%	①②③④⑤⑥	/SOT23-3
JTM2188	PFM, Synchronous	0.9-5.0V	1.8-5.0V	± 2%	400K	95%	①②④⑥⑦	SOT89/SOT23/
JTM2188	PFM, Synchronous	0.9-5.0V	1.8-5.0V	± 2%	400K	95%	①②④⑥⑦	SOT23-5/TO92
JTM2189	PFM, Synchronous	0.9-6.0V	1.8-6.0V	±2%	140K	81%	①②③④⑤⑥	SOT89/SOT23-3
Applications： ①Battery powered equipment②Wireless mouse, Wireless keyboard③Toys④Camera, Video camera⑤VCR⑥PDA⑦LED Lighting⑧Wireless communication equipment⑨MID⑩Audio equipment