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SLVSAY9F December 2012 – March 2016 TPS65320-Q1

PRODUCTION DATA.

封裝選項

請參考 PDF 數據表獲取器件具體的封裝圖。

機械數據 (封裝 | 引腳)

PWP|14

散熱焊盤機械數據 (封裝 | 引腳)

PWP|14
- PPTD261B

訂購信息

6 Specifications

6.1 Absolute Maximum Ratings

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

		MIN	MAX	UNIT
Supply inputs	VIN	–0.3	45	V
	VIN_LDO	–0.3	20	V
	VIN – VIN_LDO	–0.3	45
Control	EN1, EN2	–0.3	45	V
Control	EN1-VIN, EN2-VIN		1	V
Buck converter	FB1	–0.3	3.6	V
	SW	–0.3 –2 V for 30 ns	40
	BOOT	–0.3	46
	BOOT-SW		8
	COMP	–0.3	3.6
	SS	–0.3	3.6
	RT/CLK, SS	–0.3	3.6
LDO regulator	LDO_OUT	–0.3	7	V
	FB2	–0.3	7
	nRST	–0.3	7
Operating ambient temperature, T_A		–40	125	°C
Operating junction temperature, T_J		–40	150	°C
Storage temperature, T_stg		–55	165	°C

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

6.2 ESD Ratings

				VALUE	UNIT
V_(ESD)	Electrostatic discharge	Human-body model (HBM), per AEC Q100-002⁽¹⁾		±2000	V
		Charged-device model (CDM), per AEC Q100-011	All pins	±500
		Charged-device model (CDM), per AEC Q100-011	Corner pins (1, 7, 8, and 14)	±750

(1) AEC Q100-002 indicates that HBM stressing shall be in accordance with the ANSI/ESDA/JEDEC JS-001 specification.

6.3 Recommended Operating Conditions

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

		MIN	MAX	UNIT
Supply inputs	VIN	3.6	40	V
Supply inputs	VIN_LDO	3	20	V
Buck regulator	BOOT1	3.6	46	V
	SW1	–1	40
	VFB1	0	3
	SS	0	3
	COMP	0	3
	RT/CLK	0	3
LDO regulator	LDO_OUT	1.1	5.5	V
	VFB2	0	5.25
	nRST	0	5.25
Control	EN1	0	40	V
Control	EN2	0	40	V
Operating junction temperature, T_J		–40	150	°C

6.4 Thermal Information

THERMAL METRIC⁽¹⁾		TPS65320-Q1	UNIT
		PWP (HTSSOP)
		14 PINS
R_θJA	Junction-to-ambient thermal resistance	49.9	°C/W
R_θJC(top)	Junction-to-case (top) thermal resistance	31	°C/W
R_θJB	Junction-to-board thermal resistance	26.6	°C/W
ψ_JT	Junction-to-top characterization parameter	1	°C/W
ψ_JB	Junction-to-board characterization parameter	26.4	°C/W
R_θJC(bot)	Junction-to-case (bottom) thermal resistance	3.7	°C/W

(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRS953.

6.5 Electrical Characteristics

V_I = 6 V to 27 V, EN1 = EN2 = V_I, over-operating free-air temperature range T_A = –40°C to +125°C and maximum operating junction temperature T_J = –40°C to +150°C, unless otherwise noted. V_I is the voltage on the battery-supply pins, VIN and VIN_LDO.

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
VIN (INPUT POWER SUPPLY)
	Operating input voltage	Normal mode, after initial start-up	3.6	14	40	V
	Shutdown supply current	V_(EN1) = V_(EN2) = 0 V, 25°C		2	7	μA
	Initial start-up voltage		6		40	V
ENABLE AND UVLO (EN1 AND EN2 PINS)
	Enable low level				0.7	V
	Enable high level		2.5			V
V_(VIN)(f)	Internal UVLO falling threshold	Ramp V_(VIN) down until output turns OFF	2	2.6	3	V
V_(VIN)(r)	Internal UVLO rising threshold	Ramp V_(VIN) up until output turns ON	2.2	2.8	3.2	V
BUCK REGULATOR
	Operating: non-switching supply	V_(FB1) = 0.83 V, V_(VIN) = 12 V, 25°C		110	140	μA
	Output capacitor	ESR = 0.001 Ω to 0.1 Ω, large output capacitance may be required for load transient	10			μF
BUCK REGULATOR: HIGH-SIDE MOSFET
	On-resistance	V_(VIN) = 12 V, V_(SW) = 6 V		127	250	mΩ
BUCK REGULATOR: ERROR AMPLIFIER
	Input current			50		nA
	Error-amplifier transconductance (gm)	–2 µA < I_(COMP) < 2 µA, V_(COMP) = 1 V		310		µS
	Error-amplifier transconductance (gm) during soft start	–2 µA < I_(COMP) < 2 µA, V_(COMP) = 1 V V_(FB1) = 0.4 V		70		µS
	Error-amplifier dc gain	V_(FB1) = 0.8 V		100		dB
	Error-amplifier bandwidth			6000		kHz
	Error-amplifier source or sink	V_(COMP) = 1 V, 100-mV overdrive		±27		μA
	COMP to switch-current transconductance			10.5		S
V_ref1	Voltage reference for FB1 pin	Buck regulator output: 3.6 V to 10 V	0.788	0.8	0.812	V
BUCK REGULATOR: CURRENT-LIMIT
	Current-limit threshold	V_(VIN) = 12 V, T_J = 25°C	4	6		A
BUCK REGULATOR: TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN)
RT/CLK	High threshold			1.9	2.2	V
RT/CLK	Low threshold		0.5	0.7		V
BUCK REGULATOR: INTERNAL SOFT START TIMER
I_S(SS)	Soft-start source current	V_(SS) = 0 V	1	2	4	μA
LDO REGULATOR
ΔV_O(ΔVI)	Line regulation	V_(VIN) = 6 V to 30 V, I_{(LDO_OUT)} = 10 mA, V_{(LDO_OUT)} = 3.3 V			20	mV
ΔV_O(ΔIL)	Load regulation	I_{(LDO_OUT)} = 10 mA to 200 mA, V_{(VIN_LDO)} = 14 V, V_{(LDO_OUT)} = 3.3 V			35	mV
V_DROPOUT (V_{(VIN_LDO)} – V_{(LDO_OUT)})	Dropout voltage	I_{(LDO_OUT)} = 200 mA		300	450	mV
I_{(LDO_OUT)}	Output current	V_{(LDO_OUT)} in regulation	0		280	mA
	Error-amplifier dc gain			800		V/V
V_{(VIN_LDO)}	Operating input voltage on VIN_LDO pin	Buck regulator is in regulation and supplying at least LDO output plus dropout voltage V_DROPOUT	3		20	V
V_ref2	Voltage reference for FB2 pin	V_{(LDO_OUT)} = 1.2 V to 5 V	0.788	0.8	0.812	V
I_{CL(LDO_OUT)}	Output current limit	V_{(LDO_OUT)} = 0 V (LDO_OUT pin is shorted to ground.)	280		1000	mA
I_Q(LDO)	Quiescent current	V_(VIN) > 9 V, V_(EN1) = 0 V, V_(EN2) = 5 V, I_{(LDO_OUT)} = 0.01 mA to 0.75 mA, T_J = 25°C		28	75	μA
PSRR	Power supply ripple rejection	V_{(VIN_LDO)(rip)} = 0.5 V_PP, I_{(LDO_OUT)} = 200 mA, frequency = 100 Hz, V_{(LDO_OUT)} = 5 V and V_{(LDO_OUT)} = 3.3 V		60		dB
PSRR	Power supply ripple rejection	V_{VIN_LDO(rip)} = 0.5 V_PP, I_{(LDO_OUT)} = 200 mA, frequency = 150 kHz, V_{(LDO_OUT)} = 5 V and V_{(LDO_OUT)} = 3.3 V		30		dB
	Output capacitor	ESR = 0.001 Ω to 100 mΩ, large output capacitance may be required for load transient, V_{(LDO_OUT)} ≥ 3.3 V	1		40	μF
	Output capacitor	ESR = 0.001 Ω to 100 mΩ, large output capacitance may be required for load transient, 1.2 V ≤ V_{(LDO_OUT)} < 3.3 V	20		40	μF
LDO REGULATOR: RESET (nRST PIN)
	RESET threshold	V_{(LDO_OUT)} decreasing	88%	92%	95%
V_OH	Output high	Reset released due to rising LDO_OUT, V_{(LDO_OUT)} ≥ 3.3 V, I_OH = 100 µA	–5% × V_{(LDO_OUT)}			V
V_OL	Output low	Reset asserted due to falling LDO_OUT, I_OL = 1 mA	0	0.045	0.4	V
OVERTEMPERATURE PROTECTION
T_SD	Thermal-shutdown trip point			155		ºC
T_hys	Hysteresis			10		ºC

6.6 Timing Requirements

V_I = 6 V to 27 V, EN1 = EN2 = V_I, over-operating free-air temperature range T_A = –40°C to +125°C and maximum operating junction temperature T_J = –40°C to +150°C, unless otherwise noted

		MIN	TYP	MAX	UNIT
BUCK REGULATOR: TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN)
	Minimum CLK input pulse width		40		ns

6.7 Switching Characteristics

V_I = 6 V to 27 V, EN1 = EN2 = V_I, over-operating free-air temperature range T_A = –40°C to +125°C and maximum operating junction temperature T_J = –40°C to +150°C, unless otherwise noted

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
BUCK REGULATOR: HIGH-SIDE MOSFET
t_onmin	Minimum on-time	ƒ_S = 2.5 MHz		100		ns
BUCK REGULATOR: TIMING RESISTOR AND EXTERNAL CLOCK (RT/CLK PIN)
ƒ_S	Switching-frequency range using RT mode		100		2500	kHz
ƒ_S	Switching frequency	200 kΩ connected between pin RT/CLK and GND	450	581	720	kHz
ƒ_S	Switching-frequency range using CLK mode		300		2200	kHz
RT/CLK	Falling edge to SW rising edge delay	Measured at 500 kHz with 200-kΩ series resistor connected to RT/CLK pin		60		ns
PLL	Lock-in time	Measured at 500 kHz		100		μs
LDO REGULATOR: RESET (nRST PIN)
	Filter time	Delay before asserting nRST low	6	10	15	μs

6.8 Typical Characteristics

ƒ_S = 2 MHz

Figure 1. Buck-Regulator Output Voltage

V_(VIN) = 12 V

Figure 2. Buck-Regulator Switching Frequency vs V_(FB1) Feedback Voltage

V_(VIN) = 12 V	T_J = 25°C

Figure 3. Buck-Regulator Switching Frequency vs RT_CLK Resistance

V_{(VIN_LDO)} = 5 V	V_{(LDO_OUT)} = 3.3 V

Figure 5. LDO-Regulator Load Regulation

I_{(LDO_OUT)} = 100 mA	V_{(VIN_LDO)} = 12 V

Figure 7. LDO-Regulator Feedback-Voltage Reference (V_(FB2)) vs Junction Temperature

No Load	V_(VIN) = 12 V

Figure 4. Buck-Regulator Feedback-Voltage Reference (V_(FB1)) vs Junction Temperature

Figure 6. LDO-Regulator Dropout Voltage vs Load Current