Datasheet Linear Technology LT1964 — 数据表

制造商	Linear Technology
系列	LT1964

200mA，低噪声，低压差负微功耗稳压器

数据表

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PDF, 230 Kb, 语言: en, 文件上传: Sep 2, 2017, 页数: 16
200mA, Low Noise, Low Dropout Negative Micropower Regulator

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	LT1964EDD#PBF	LT1964EDD#TRPBF	LT1964ES5-5#PBF	LT1964ES5-5#TRMPBF	LT1964ES5-5#TRPBF	LT1964ES5-BYP#PBF	LT1964ES5-BYP#TRMPBF	LT1964ES5-BYP#TRPBF	LT1964ES5-SD#PBF	LT1964ES5-SD#TRMPBF	LT1964ES5-SD#TRPBF	LT1964IDD#PBF	LT1964IDD#TRPBF	LT1964IS5-5#PBF	LT1964IS5-5#TRMPBF	LT1964IS5-5#TRPBF	LT1964IS5-BYP#PBF	LT1964IS5-BYP#TRMPBF	LT1964IS5-BYP#TRPBF	LT1964IS5-SD#PBF	LT1964IS5-SD#TRMPBF	LT1964IS5-SD#TRPBF
N	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22
Package	3x3 DFN-8 包装外形图	3x3 DFN-8 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	3x3 DFN-8 包装外形图	3x3 DFN-8 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图	SOT-23 包装外形图
Package Code	DD	DD	S5	S5	S5	S5	S5	S5	S5	S5	S5	DD	DD	S5	S5	S5	S5	S5	S5	S5	S5	S5
Package Index	05-08-1698	05-08-1698	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1698	05-08-1698	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635	05-08-1635
Pin Count	8	8	5	5	5	5	5	5	5	5	5	8	8	5	5	5	5	5	5	5	5	5

参数化

Parameters / Models	LT1964EDD#PBF	LT1964EDD#TRPBF	LT1964ES5-5#PBF	LT1964ES5-5#TRMPBF	LT1964ES5-5#TRPBF	LT1964ES5-BYP#PBF	LT1964ES5-BYP#TRMPBF	LT1964ES5-BYP#TRPBF	LT1964ES5-SD#PBF	LT1964ES5-SD#TRMPBF	LT1964ES5-SD#TRPBF	LT1964IDD#PBF	LT1964IDD#TRPBF	LT1964IS5-5#PBF	LT1964IS5-5#TRMPBF	LT1964IS5-5#TRPBF	LT1964IS5-BYP#PBF	LT1964IS5-BYP#TRMPBF	LT1964IS5-BYP#TRPBF	LT1964IS5-SD#PBF	LT1964IS5-SD#TRMPBF	LT1964IS5-SD#TRPBF
Demo Boards	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A	DC437A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Discrete Pass Element	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no
Dropout Voltage, V	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34	0.34
Export Control	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no	no
Features	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown	Shutdown
Ishutdown, µA	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
Isupply, mA	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03
Max Junction Temp, Deg	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150	150
Number of Outputs	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
Output Voltage	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5	-Adj, -5
PSRR, dB	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54	54
RMS Noise, µV	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30	30
Theta JA	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)	40В°C/W (DD), 250В°C/W (S5)
Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Vin Max, V	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9	-1.9
Vin Min, V	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20
Vout Max, V	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22	-1.22
Vout Min, V	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20	-20

生态计划

	LT1964EDD#PBF	LT1964EDD#TRPBF	LT1964ES5-5#PBF	LT1964ES5-5#TRMPBF	LT1964ES5-5#TRPBF	LT1964ES5-BYP#PBF	LT1964ES5-BYP#TRMPBF	LT1964ES5-BYP#TRPBF	LT1964ES5-SD#PBF	LT1964ES5-SD#TRMPBF	LT1964ES5-SD#TRPBF	LT1964IDD#PBF	LT1964IDD#TRPBF	LT1964IS5-5#PBF	LT1964IS5-5#TRMPBF	LT1964IS5-5#TRPBF	LT1964IS5-BYP#PBF	LT1964IS5-BYP#TRMPBF	LT1964IS5-BYP#TRPBF	LT1964IS5-SD#PBF	LT1964IS5-SD#TRMPBF	LT1964IS5-SD#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

设计须知

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Ultralow Noise Switching Power Supplies Simplify EMI Compliance &mdash DN316
PDF, 94 Kb, 档案已发布: Jul 2, 2003
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advertisement Ultralow Noise Switching Power Supplies Simplify
EMI Compliance вЂ“ Design Note 316
David Canny
Introduction
Most electronic products must pass electromagnetic
interference (EMI) compliance testsвЂ”such as the FCC
Part 15 rules in the USвЂ”before they can be released
into the market. When a companyвЂ™s product fails EMI
compliance tests, the company loses control of the
development process, shipping dates begin to slip,
projected revenues diminish and expenses start piling
up. Furthermore, excessive noise can interfere with
sensitive electronics within the product itself. So it is
essential that electronic products are designed from
the beginning with EMI attenuation in mind. Often the
EMI compliance problem lies in the productвЂ™s switching power supply. In these cases, the best solution is
prevention by using an ultralow noise switching power
supply in the initial design, rather than adding shields
and п¬Ѓlters to the product after the fact. Circuit Description
Figure 1 shows the LTВ®3439, one of several low noise
switchers available from Linear Technology. Ultralow
noise and low EMI are achieved by controlling both
the output switch voltage and current slew rates. This …

文章

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Micropower Negative LDO Provides a Quiet Output in SOT-23 &mdash LT Journal
PDF, 75 Kb, 档案已发布: Dec 1, 2001
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DESIGN FEATURES Micropower Negative LDO Provides a
by Todd Owen
Quiet Output in SOT-23
Introduction Taking the Flip Side
A wide choice of regulators is available for providing a low noise positive
supply voltage. Now, it is possible to
provide a similar level of performance
for a negative supply. Figure 1 shows
a typical application for the LT1964,
a new negative low dropout regulator
in a 5-lead SOT-23 package. The
LT1964 provides the lowest noise
available from any negative LDO and
it is a micropower device. The LT1964
incorporates features that make it
useful for a variety of applications. It
is stable with a wide range of output
capacitors with an ESR in the range
of only a few milliohms up to 3в„¦.
Small ceramic capacitors can be used
without the addition of ESR as is
common with other regulators. The
output capacitor can be as low as 1ВµF …
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A Simple Solution to Low Noise, Isolated Power Conversion &mdash LT Journal
PDF, 181 Kb, 档案已发布: Nov 1, 2002
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DESIGN IDEAS A Simple Solution to Low Noise,
Isolated Power Conversion by Tom Sheehan
Introduction
the turns ratio. Rectifiers on the secondary side generate the DC output
voltage. The output capacitor is for
hold up and filtering. If required, an
additional inductor and capacitor can
be added to reduce the output noise
even further.
Control of the voltage and current
slew rate is maintained via two control loops. One loop controls the
output switch dV/dt and the other
loop controls the output switch dI/dt.
Output slew control is achieved by
comparing the two currents generated by these slewing events to a
current set by the external resistor
RSL.
The frequency of the internal oscillator can be set from 20kHz to 250kHz
with an external resistor and capacitor, RT and CT. Each output switch is
driven at half the frequency of the
oscillator. The SYNC pin can be used
to synchronize the switching to an
external clock. A SHDN pin can be …

模型线

系列: LT1964 (22)

LT1964EDD#PBF LT1964EDD#TRPBF LT1964ES5-5#PBF LT1964ES5-5#TRMPBF LT1964ES5-5#TRPBF LT1964ES5-BYP#PBF LT1964ES5-BYP#TRMPBF LT1964ES5-BYP#TRPBF LT1964ES5-SD#PBF LT1964ES5-SD#TRMPBF LT1964ES5-SD#TRPBF LT1964IDD#PBF LT1964IDD#TRPBF LT1964IS5-5#PBF LT1964IS5-5#TRMPBF LT1964IS5-5#TRPBF LT1964IS5-BYP#PBF LT1964IS5-BYP#TRMPBF LT1964IS5-BYP#TRPBF LT1964IS5-SD#PBF LT1964IS5-SD#TRMPBF LT1964IS5-SD#TRPBF

制造商分类

Power Management > LDO Linear Regulators > Negative Linear Regulators (LDO)