米6体育平台手机版

SNVS084C December 2001 – July 2016 LM2590HV

PRODUCTION DATA.

封装选项

机械数据 (封装 | 引脚)

KTW|7
- MPSF015
NDZ|7
- MMSF005

散热焊盘机械数据 (封装 | 引脚)

KTW|7
- PPTD278

订购信息

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)⁽¹⁾

			MIN	MAX	UNIT
Supply voltage, V_IN				63	V
SD/SS pin input voltage⁽²⁾				6	V
Delay pin voltage⁽²⁾				1.5	V
Flag pin voltage			–0.3	45	V
Feedback pin voltage			–0.3	25	V
Output voltage to ground, steady-state				–1	V
Power dissipation			Internally limited
Lead temperature	S package	Vapor phase (60 s)		215	°C
	S package	Infrared (10 s)		245
	T package, soldering (10 s)			260
Maximum junction temperature				150	°C
Storage temperature, T_stg			–65	150	°C

(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2) Voltage internally clamped. If clamp voltage is exceeded, limit current to a maximum of 1 mA.

6.2 ESD Ratings

			VALUE	UNIT
V_(ESD)	Electrostatic discharge	Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001⁽¹⁾	±2000	V

(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

		MIN	MAX	UNIT
	Supply voltage	4.5	60	V
T_J	Temperature	–40	125	°C

6.4 Thermal Information

THERMAL METRIC⁽¹⁾			LM2590HV		UNIT
			NDZ (TO-220)	KTW (TO-263)
			7 PINS	7 PINS
R_θJA	Junction-to-ambient thermal resistance	See⁽²⁾	50	—	°C/W
		See⁽³⁾	—	50
		See⁽⁴⁾	—	30
		See⁽⁵⁾	—	20
R_θJC	Junction-to-case thermal resistance		2	2	°C/W

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

(2) Junction to ambient thermal resistance (no external heat sink) for the package mounted TO-220 package mounted vertically, with the leads soldered to a printed-circuit board with (1 oz.) copper area of approximately 1 in².

(3) Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed-circuit board with 0.5 in² of
(1 oz.) copper area.

(4) Junction to ambient thermal resistance with the TO-263 package tab soldered to a single sided printed-circuit board with 2.5 in² of
(1 oz.) copper area.

(5) Junction to ambient thermal resistance with the TO-263 package tab soldered to a double sided printed circuit board with 3 in 2 of
(1 oz.) copper area on the LM2590HVS side of the board, and approximately 16 in² of copper on the other side of the PCB. See Application Information in this data sheet.

6.5 Electrical Characteristics

T_J = 25°C, V_IN = 12 V for the 3.3-V, 5-V, and adjustable version, and I_LOAD = 500 mA (unless otherwise noted)

PARAMETER		TEST CONDITIONS		MIN⁽¹⁾	TYP⁽²⁾	MAX⁽¹⁾	UNIT
I_b	Feedback bias current	Adjustable version only, V_FB = 1.3 V	T_J = 25°C		10	50	nA
I_b	Feedback bias current	Adjustable version only, V_FB = 1.3 V	T_J = –40°C to 125°C			100	nA
f_O	Oscillator frequency⁽³⁾	T_J = 25°C		127	150	173	kHz
f_O	Oscillator frequency⁽³⁾	T_J = –40°C to 125°C		110		173	kHz
V_SAT	Saturation voltage	IOUT = 1 A⁽⁴⁾⁽⁵⁾		1.2	0.95	1.3	V
DC	Max duty cycle (ON)⁽⁵⁾				100%
DC	Min duty cycle (OFF)⁽⁶⁾				0%
I_CLIM	Switch current limit	Peak current⁽⁴⁾⁽⁵⁾	T_J = 25°C	1.3	1.9	2.8	A
I_CLIM	Switch current limit	Peak current⁽⁴⁾⁽⁵⁾	T_J = –40°C to 125°C	1.2		3	A
I_L	Output leakage current	V_IN = 60 V⁽⁴⁾⁽⁶⁾	Output = 0 V			50	µA
I_L	Output leakage current	V_IN = 60 V⁽⁴⁾⁽⁶⁾	Output = −1 V		5	30	mA
I_Q	Operating quiescent current	SD/SS pin open⁽⁶⁾			5	10	mA
I_STBY	Standby quiescent current	SD/SS pin = 0 V, V_IN = 60 V	T_J = 25°C		90	200	µA
I_STBY	Standby quiescent current	SD/SS pin = 0 V, V_IN = 60 V	T_J = –40°C to 125°C			250	µA
SHUTDOWN AND SOFT-START CONTROL (see Test Circuits)
V_SD	Shutdown threshold voltage	T_J = 25°C			1.3		V
		T_J = –40°C to 125°C	Low (shutdown mode)			0.6
		T_J = –40°C to 125°C	High (soft-start mode)	2
V_SS	Soft-start voltage	V_OUT = 20% of nominal output voltage			2		V
V_SS	Soft-start voltage	V_OUT = 100% of nominal output voltage			3		V
I_SD	Shutdown current	V_SHUTDOWN = 0.5 V			5	10	µA
I_SS	Soft-start current	V_Soft-start = 2.5 V			1.5	5	µA
FLAG AND DELAY CONTROL (see Test Circuits)
	Regulator dropout detector threshold voltage	Low (flag ON)		92%	96%	98%
VF_SAT	Flag output saturation and voltage	I_SINK = 3 mA		0.7	0.3	1	V
IF_L	Flag output leakage current	V_FLAG = 60 V			0.3		µA
	Delay pin threshold voltage	Low (flag ON)		1.21	1.25		mV
	Delay pin threshold voltage	High (flag OFF) and V_OUT regulated			1.25	1.29	mV
	Delay pin source current	V_DELAY = 0.5 V			3	6	mV
	Delay pin saturation	Low (flag ON)	T_J = 25°C		70	350	mV
	Delay pin saturation	Low (flag ON)	T_J = –40°C to 125°C			400	mV

(1) All limits specified at room temperature and at temperature extremes. All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).

(2) Typical numbers are at 25°C and represent the most likely norm.

(3) The switching frequency is reduced when the second stage current limit is activated. The amount of reduction is determined by the severity of current overload.

(4) No diode, inductor or capacitor connected to output pin.

(5) Feedback pin removed from output and connected to 0 V to force the output transistor switch ON.

(6) Feedback pin removed from output and connected to 12 V for the 3.3-V, 5-V, and the ADJ version to force the output transistor switch OFF.

6.6 Electrical Characteristics – 3.3-V Version

T_J = 25°C (unless otherwise noted)⁽¹⁾

PARAMETER		TEST CONDITIONS		MIN⁽²⁾	TYP⁽³⁾	MAX⁽²⁾	UNIT
V_OUT	Output voltage	4.5 V ≤ V_IN ≤ 60 V, 0.2 A ≤ I_LOAD ≤ 1 A	T_J = 25°C	3.168	3.3	3.432	V
V_OUT	Output voltage	4.5 V ≤ V_IN ≤ 60 V, 0.2 A ≤ I_LOAD ≤ 1 A	T_J = –40°C to 125°C	3.135		3.465	V
η	Efficiency	V_IN = 12 V, I_LOAD = 1 A			77%

(1) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2590HV is used as shown in Test Circuits, system performance will be as shown in system parameters section of Electrical Characteristics.

(2) All limits specified at room temperature and at temperature extremes. All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).

(3) Typical numbers are at 25°C and represent the most likely norm.

6.7 Electrical Characteristics – 5-V Version

T_J = 25°C (unless otherwise noted)⁽¹⁾

PARAMETER		TEST CONDITIONS		MIN⁽²⁾	TYP⁽³⁾	MAX⁽²⁾	UNIT
V_OUT	Output voltage	7 V ≤ V_IN ≤ 60 V, 0.2 A ≤ I_LOAD ≤ 1 A	T_J = 25°C	4.8	5	5.2	V
V_OUT	Output voltage	7 V ≤ V_IN ≤ 60 V, 0.2 A ≤ I_LOAD ≤ 1 A	T_J = –40°C to 125°C	4.75		5.25	V
η	Efficiency	V_IN = 12 V, I_LOAD = 1 A			82%

(3) Typical numbers are at 25°C and represent the most likely norm.

6.8 Electrical Characteristics – Adjustable Version

T_J = 25°C (unless otherwise noted)⁽¹⁾

PARAMETER		TEST CONDITIONS		MIN⁽²⁾	TYP⁽³⁾	MAX⁽²⁾	UNIT
V_FB	Feedback voltage	4.5 V ≤ V_IN ≤ 60 V, 0.2 A ≤ I_LOAD ≤ 1 A, V_OUT programmed for 3 V (see Test Circuits)	T_J = 25°C	1.193	1.23	1.267	V
V_FB	Feedback voltage		T_J = –40°C to 125°C	1.18		1.28	V
η	Efficiency	V_IN = 12 V, VOUT = 3 V, I_LOAD = 1 A			76%

(3) Typical numbers are at 25°C and represent the most likely norm.

LM2590HV timing_dirgram_for_5V_snvs084.gif

Figure 1. Timing Diagram for 5-V Output

6.9 Typical Characteristics

Figure 2. Normalized Output Voltage

Figure 4. Efficiency

Figure 6. Switch Current Limit

Figure 8. Operating Quiescent Current

Figure 10. Minimum Operating Supply Voltage

Figure 12. Flag Saturation Voltage

Figure 14. Soft-Start

Figure 16. Delay Pin Current

Figure 18. Shutdown/Soft-start Threshold Voltage

Horizontal Time Base: 2 µs/div.
V_IN = 20 V, V_OUT = 5 V, I_LOAD = 1 A,
L = 52 µH, C_OUT = 100 µF, C_OUT ESR = 100 mΩ
Output Pin Voltage, 10 V/div.
Inductor Current, 0.5 A/div.
Output Ripple Voltage, 50 mV/div.

Figure 20. Continuous Mode Switching Waveforms

Horizontal Time Base: 50 µs/div.
V_IN = 20 V, V_OUT = 5 V, I_LOAD = 250 mA,
L = 52 µH, C_OUT = 100 µF, C_OUT ESR = 100 mΩ
Output Voltage, 100 mV/div. (AC)
250-mA to 1-A Load Pulse

Figure 22. Load Transient Response
for Continuous Mode

Figure 3. Line Regulation

Figure 5. Switch Saturation Voltage

Figure 7. Dropout Voltage

Figure 9. Shutdown Quiescent Current

Figure 11. Feedback Pin Bias Current

Figure 13. Switching Frequency

Figure 15. Shutdown/Soft-Start Current

Figure 17. Soft-Start Response

Figure 19. Internal Gain-Phase Characteristics

Horizontal Time Base: 2 µs/div.
V_IN = 20 V, V_OUT = 5 V, I_LOAD = 250 mA,
L = 52 µH, C_OUT = 150 µF, C_OUT ESR = 100 mΩ
Output Pin Voltage, 10 V/div.
Inductor Current, 0.25 A/div.
Output Ripple Voltage, 100 mV/div.

Figure 21. Discontinuous Mode Switching Waveforms

Horizontal Time Base: 200 µs/div.
V_IN = 20 V, V_OUT = 5 V, I_LOAD = 250 mA to 1 A,
L = 15 µH, C_OUT = 150 µF, C_OUT ESR = 90 mΩ
Output Voltage, 100 mV/div. (AC)
250-mA to 1-A Load Pulse

Figure 23. Load Transient Response
for Discontinuous Mode