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SLVS776B January 2009 – November 2014 TPS61220 , TPS61221 , TPS61222

PRODUCTION DATA.

封裝選項

機械數據 (封裝 | 引腳)

DCK|6
- MPDS114F

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

7 Specifications

7.1 Absolute Maximum Ratings

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

		TPS6122x	UNIT
V_IN	Input voltage on VIN, L, VOUT, EN, FB	–0.3 to 7.5	V
T_J	Operating junction temperature	–40 to 150	°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.

7.2 Handling Ratings

			MIN	MAX	UNIT
T_stg	Storage temperature range		–65	150	°C
V_(ESD)	Electrostatic discharge	Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins⁽¹⁾	–2	2	kV
V_(ESD)	Electrostatic discharge	Charged device model (CDM), per JEDEC specification JESD22-C101, all pins⁽²⁾	–1.5	1.5	kV

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

(2) JEDEC document JEP157 states that 250V CDM rating allows safe manufacturing with a standard ESD control process.

7.3 Recommended Operating Conditions

		MIN	NOM	MAX	UNIT
V_IN	Supply voltage at VIN	0.7		5.5	V
T_J	Operating virtual junction temperature	–40		125	°C

7.4 Thermal Information

THERMAL METRIC⁽¹⁾		TPS6122x	UNIT
		DCK
		6 PINS
R_θJA	Junction-to-ambient thermal resistance	231.2	°C/W
R_θJCtop	Junction-to-case (top) thermal resistance	61.8
R_θJB	Junction-to-board thermal resistance	78.8
ψ_JT	Junction-to-top characterization parameter	2.2
ψ_JB	Junction-to-board characterization parameter	78.0
R_θJCbot	Junction-to-case (bottom) thermal resistance	n/a

(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

7.5 Electrical Characteristics

over recommended free-air temperature range and over recommended input voltage range (typical at an ambient temperature range of 25°C) (unless otherwise noted)

PARAMETER			TEST CONDITIONS	MIN	TYP	MAX	UNIT
DC/DC STAGE
V_IN	Input voltage			0.7		5.5	V
V_IN	Minimum input voltage at startup		R_Load ≥ 150 Ω			0.7	V
V_OUT	TPS61220 output voltage		V_IN < V_OUT	1.8		6.0	V
V_FB	TPS61220 feedback voltage			483	500	513	mV
V_OUT	TPS61221 output voltage (3.3 V)		V_IN < V_OUT	3.20	3.30	3.41	V
V_OUT	TPS61222 output voltage (5 V)		V_IN < V_OUT	4.82	5.00	5.13	V
I_LH	Inductor current ripple				200		mA
I_SW	switch current limit		V_OUT = 3.3 V, V_IN = 1.2 V, T_A = 25°C	240	400		mA
I_SW	switch current limit		V_OUT = 3.3 V	200	400		mA
R_{DSon_HSD}	Rectifying switch on resistance		V_OUT = 3.3 V		1000		mΩ
R_{DSon_HSD}	Rectifying switch on resistance		V_OUT = 5.0 V		700		mΩ
R_{DSon_LSD}	Main switch on resistance		V_OUT = 3.3 V		600		mΩ
R_{DSon_LSD}	Main switch on resistance		V_OUT = 5.0 V		550		mΩ
	Line regulation		V_IN < V_OUT		0.5%
	Load regulation		V_IN < V_OUT		0.5%
I_Q	Quiescent current	V_IN	I_O= 0 mA, V_EN= V_IN = 1.2 V, V_OUT = 3.3 V		0.5	0.9	μA
I_Q	Quiescent current	V_OUT	I_O= 0 mA, V_EN= V_IN = 1.2 V, V_OUT = 3.3 V		5	7.5	μA
I_SD	Shutdown current	V_IN	V_EN = 0 V, V_IN = 1.2 V, V_OUT ≥ V_IN		0.2	0.5	μA
I_{LKG_VOUT}	Leakage current into VOUT		V_EN = 0 V, V_IN = 1.2 V, V_OUT = 3.3 V		1		μA
I_{LKG_L}	Leakage current into L		V_EN = 0 V, V_IN = 1.2 V, V_L = 1.2 V, V_OUT ≥ V_IN		0.01	0.2	μA
I_FB	TPS61220 Feedback input current		V_FB = 0.5 V			0.01	μA
I_EN	EN input current		Clamped on GND or V_IN (V_IN < 1.5 V)		0.005	0.1	μA
CONTROL STAGE
V_IL	EN input low voltage		V_IN ≤ 1.5 V			0.2 × V_IN	V
V_IH	EN input high voltage		V_IN ≤ 1.5 V	0.8 × V_IN			V
V_IL	EN input low voltage		5 V > V_IN > 1.5 V			0.4	V
V_IH	EN input high voltage		5 V > V_IN > 1.5 V	1.2			V
V_UVLO	Undervoltage lockout threshold for turn off		V_IN decreasing		0.5	0.7	V
	Overvoltage protection threshold			6.0		7.5	V
	Overtemperature protection				140		°C
	Overtemperature hysteresis				20		°C

7.6 Typical Characteristics

TABLE OF GRAPHS		FIGURE
Maximum Output Current	versus Input Voltage (TPS61220, TPS61221, TPS61222)	Figure 1
Efficiency	versus Output Current, V_OUT = 1.8 V, V_IN = [0.7 V; 1.2 V; 1.5 V] (TPS61220)	Figure 2
	versus Output Current, V_IN = [0.7 V; 1.2 V; 2.4 V; 3 V] (TPS61221)	Figure 3
	versus Output Current, V_IN = [0.7 V; 1.2 V; 2.4V; 3.6 V; 4.2 V] (TPS61222)	Figure 4
	versus Input Voltage, V_OUT = 1.8 V, I_OUT = [100 µA; 1 mA; 10 mA; 50 mA] (TPS61220)	Figure 5
	versus Input Voltage, I_OUT = [100 µA; 1 mA; 10 mA; 50 mA] (TPS61221)	Figure 6
	versus Input Voltage, I_OUT = [100 µA; 1 mA; 10 mA; 50 mA] (TPS61222)	Figure 7
Input Current	at No Output Load, Device Enabled (TPS61220, TPS61221, TPS61222)	Figure 8
Output Voltage	versus Output Current, V_OUT = 1.8 V, V_IN = [0.7 V; 1.2 V] (TPS61220 )	Figure 9
	versus Output Current, V_IN = [0.7 V; 1.2 V; 2.4 V] (TPS61221)	Figure 10
	versus Output Current, V_IN = [0.7 V; 1.2 V; 2.4 V; 3.6 V] (TPS61222)	Figure 11
	versus Input Voltage, Device Disabled, R_LOAD = [1 kΩ; 10 kΩ] (TPS6122x)	Figure 12
Waveforms	Output Voltage Ripple, V_IN = 0.8 V, V_OUT = 1.8 V, I_OUT = 20 mA (TPS61220)	Figure 13
	Output Voltage Ripple V_IN = 1.8 V, I_OUT = 50 mA (TPS61221)	Figure 14
	Load Transient Response, V_IN = 1.2 V, I_OUT = 6 mA to 50 mA (TPS61221)	Figure 15
	Load Transient Response, V_IN = 2.4 V, I_OUT = 14 mA to 126 mA (TPS61222)	Figure 16
	Line Transient Response, V_IN = 1.8 V to 2.4 V, R_LOAD = 100 Ω (TPS61221)	Figure 17
	Line Transient Response, V_IN = 2.8 V to 3.6 V, R_LOAD = 100 Ω (TPS61222)	Figure 18
	Startup after Enable, V_IN = 0.7 V, V_OUT = 1.8 V, R_LOAD = 150 Ω (TPS61220)	Figure 19
	Startup after Enable, V_IN = 0.7 V, R_LOAD = 150 Ω, (TPS61222)	Figure 20
	Continuous Current Operation, V_IN = 1.2 V, V_OUT = 1.8 V, I_OUT = 50mA (TPS61220 )	Figure 21
	Discontinuous Current Operation, V_IN = 1.2 V, V_OUT = 1.8 V, I_OUT = 10mA (TPS61220)	Figure 22

Figure 1. Maximum Output Current versus Input Voltage (TPS61220, TPS61221, TPS61222)

V_O = 3.3 V

Figure 3. Efficiency versus Output Current and Input Voltage (TPS61221)

V_O = 1.8 V

Figure 5. Efficiency versus Input Voltage and Output Current (TPS61220)

V_O = 5 V

Figure 7. Efficiency versus Input Voltage and Output Current (TPS61222)

V_O = 1.8 V

Figure 9. Output Voltage versus Output Current and Input Voltage (TPS61220)

V_O = 5 V

Figure 11. Output Voltage versus Output Current and Input Voltage (TPS61222)

V_I = 0.8 V	V_O = 1.8 V	I_O = 20 mA

Figure 13. Output Voltage Ripple (TPS61220)

V_I = 1.2 V	I_O = 6 mA to 50 mA

Figure 15. Load Transient Response (TPS61221)

V_I = 2.4 V to 2.4 V	R_LOAD = 100 Ω	t_rise = t_fall = 20 ms

Figure 17. Line Transient Response (TPS61221)

V_I = 0.7 V	V_O = 1.8 V	R_LOAD = 150 Ω

Figure 19. Startup After Enable (TPS61120)

V_I = 1.2 V	V_O = 1.8 V	I_O = 50 mA

Figure 21. Continuous Current Operation (TPS61220)

V_O = 1.8 V

Figure 2. Efficiency versus Output Current and Input Voltage (TPS61220)

V_O = 5 V

Figure 4. Efficiency versus Output Current and Input Voltage (TPS61222)

V_O = 3.3 V

Figure 6. Efficiency versus Input Voltage and Output Current (TPS61221)

Device enabled

Figure 8. No Load Input Current versus Input Voltage, Device Enabled (TPS61220, TPS61221, TPS61222)

V_O = 3.3 V

Figure 10. Output Voltage versus Output Current and Input Voltage (TPS61221)

V_EN = 0 V

Figure 12. Output Voltage versus Input Voltage, Device Disabled (TPS61220)

V_I = 1.8 V	V_O = 3.3 V	I_O = 50 mA

Figure 14. Output Voltage Ripple (TPS61221)

V_I = 2.4 V	I_O = 14 mA to 126 mA

Figure 16. Load Transient Response (TPS61222)

V_I = 2.8 V to 3.6 V	R_LOAD = 100 Ω	t_rise = t_fall = 20 ms

Figure 18. Line Transient Response (TPS61222)

V_I = 0.7 V	V_O = 3.3 V	R_LOAD = 50 Ω

Figure 20. Startup After Enable (TPS61221)

V_I = 1.2 V	V_O = 1.8 V	I_O = 10 mA

Figure 22. Discontinuous Current Operation (TPS61220)