TYPICAL CHARACTERISTICS

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TPS61070, TPS61071

TPS61072, TPS61073

SLVS510C–JULY 2006–REVISED MARCH 2009		www.ti.com
	TYPICAL CHARACTERISTICS
Table of Graphs
		FIGURE
Maximum output current	vs Input voltage	1
	vs Output current	2
	vs Output current	3
Efficiency	vs Output current	4
	vs Input voltage	5
	vs Input voltage	6
Output voltage	vs Output current	7
Output voltage	vs Output current	8
	vs Output current	8
No load supply current into VOUT	vs Input voltage	9
	Output voltage in continuous mode (TPS61071)	10
	Output voltage in continuous mode (TPS61071)	11
	Output voltage in power-save mode (TPS61070)	12
	Output voltage in power-save mode (TPS61070)	13
	Load transient response (TPS61071)	14
Waveforms	Load transient response (TPS61071)	15
Waveforms	Line transient response (TPS61071)	16
	Line transient response (TPS61071)	16
	Line transient response (TPS61071)	17
	Start-up after enable (TPS61070)	18
	Start-up after enable (TPS61070)	19
	Start-up after enable (TPS61071)	20
	Start-up after enable (TPS61071)	21

TYPICAL CHARACTERISTICS

MAXIMUM OUTPUT CURRENT vs

INPUT VOLTAGE

	600
	550
− mA	500
− mA	450					VO = 3.3 V
Current	400
Current	350	VO = 1.8 V							VO = 5 V
Output	300	VO = 1.8 V
	300
	250
Maximum	250
	200
	150

	100
	50
	0	1.3	1.7	2.1	2.5	2.9	3.3	3.7	4.1	4.5	4.9
	0.9	1.3	1.7	2.1	2.5	2.9	3.3	3.7	4.1	4.5	4.9
				VI	− Input V oltage − V

Figure 1.

				EFFICIENCY
					vs
	100			OUTPUT CURRENT
	100	TPS61070			VBAT = 1.2 V
		TPS61070			VBAT = 1.2 V
	90	VO = 1.8 V
	80
	70
%	60
−	60
−
Efficiency	50				VBAT = 0.9 V
	50
	40

	30
	20				TPS61071
	20				VO = 1.8 V
					VO = 1.8 V
	10
	0		0.10	1	10	100	1 k
	0.01		0.10	1	10	100	1 k
				IO − Output Current − mA

Figure 2.

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TPS61070, TPS61071

TPS61072, TPS61073

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SLVS510C–JULY 2006–REVISED MARCH 2009

TYPICAL CHARACTERISTICS (continued)

					EFFICIENCY														EFFICIENCY
							vs													vs
	100				OUTPUT CURRENT										100			OUTPUT CURRENT
	100														100	TPS61070
		TPS61070														TPS61070
	90	TPS61070													90	VO = 5 V
	90	VO = 3.3 V													90	VO = 5 V
		VO = 3.3 V
	80														80
	70														70
%	60													%	60			VBAT = 1.2 V			VBAT = 1.8 V
%														%
−														−
−														−
Efficiency	50													Efficiency	50						VBAT = 2.4 V
	50						VBAT = 0.9 V								50
							VBAT = 0.9 V															VBAT = 3.6 V
																						VBAT = 3.6 V
	40							VBAT = 1.8 V							40


	30								VBAT = 2.4 V						30
									VBAT = 2.4 V											TPS61071
	20														20					TPS61071
	20					TPS61071									20					VO = 5 V
						TPS61071														VO = 5 V
	10					VO = 3.3 V									10
	0														0
	0.01		0.10			1		10		100			1 k		0.01		0.10		1		10	100		1 k
				IO − Output Current − mA														IO − Output Current − mA
						Figure 3.													Figure 4.
					EFFICIENCY														EFFICIENCY
							vs													vs
	100				INPUT VOLTAGE										100				INPUT VOLTAGE
	100														100	TPS61070
																TPS61070
	95	TPS61070													95	VO = 5 V
	95	VO	= 3.3 V												95
		VO	= 3.3 V														IO = 5 mA
	90														90		IO = 5 mA
	85														85
Efficiency − %	80				IO = 5 mA									Efficiency − %	80				IO = 10 mA
	80				IO = 5 mA										80
	75			IO = 50 mA											75
	70			IO = 100 mA											70
	65								TPS61071						65		IO = 60 mA
	65								TPS61071						65
	60								VO = 3.3 V						60				IO = 5 mA
	60														60				IO = 5 mA
	55														55							TPS61071
	55														55							VO = 5 V
																						VO = 5 V
	50	1.1	1.3	1.5	1.7	1.9	2.1	2.3	2.5	2.7	2.9	3.1	3.3		50	0.9	1.4	1.9	2.4	2.9	3.4	3.9	4.4	4.9
	0.9	1.1	1.3	1.5	1.7	1.9	2.1	2.3	2.5	2.7	2.9	3.1	3.3			0.9	1.4	1.9	2.4	2.9	3.4	3.9	4.4	4.9
					VI − Input V oltage − V														VI − Input V oltage − V
						Figure 5.													Figure 6.

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TPS61070, TPS61071

TPS61072, TPS61073

SLVS510C–JULY 2006–REVISED MARCH 2009

www.ti.com

TYPICAL CHARACTERISTICS (continued)

		OUTPUT VOLTAGE					OUTPUT VOLTAGE
			vs					vs
	3.35	OUTPUT CURRENT				5.1	OUTPUT CURRENT
	3.35					5.1	VBAT = 3.6 V
		VBAT = 2.4 V		TPS61070			VBAT = 3.6 V
		VBAT = 2.4 V		TPS61070
				VO = 3.3 V		5.05		TPS61070
						5.05		VO = 5 V
								VO = 5 V
−Output V oltage − V	3.30				− Output V oltage − V	5
						4.95
	3.25					4.9		TPS61071
O	3.25				O	4.9		TPS61071
O					O
V					V			VO = 5 V
								VO = 5 V
						4.85
				TPS61071
				VO = 3.3 V
	3.20					4.8	10	100	1000
	1	10	100	1000		1	10	100	1000
		IO − Output Current − mA					IO − Output Current − mA
			Figure 7.					Figure 8.

		NO LOAD SUPPLY CURRENT INTO VOUT
				vs
	22		INPUT VOLTAGE
A−VOUTIntoμ	22					OutputVoltage	20mV/div
A−VOUTIntoμ				TA = 855C		OutputVoltage	20mV/div
				TA = 855C
	20
	18			TA = 255C
Current	18
Current	16			TA = −40 5C		InductorCurrent
SupplyLoadNo	16			TA = −40 5C			100mA/div
SupplyLoadNo	14	VO = 3.3 V					100mA/div
	14
	12
		VI = 0.9 V to 5.5 V
	10
	0.9	1.5	2.5	3.5	4.5	5.5
			VI − Input V oltage − V

Figure 9.

TPS61071

OUTPUT VOLTAGE IN CONTINUOUS MODE

VI = 1.2 V, RL = 33 Ω , VO = 3.3 V

t − Time − 1 µs/div

Figure 10.

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TPS61070, TPS61071

TPS61072, TPS61073

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SLVS510C–JULY 2006–REVISED MARCH 2009

TYPICAL CHARACTERISTICS (continued)

Output Voltage	20 mV/div
Inductor Current	200 mA/div

Output Voltage	100 mV/div, AC
Inductor Current	200 mA/div, DC

TPS61071

OUTPUT VOLTAGE IN CONTINUOUS MODE

VI = 3.6 V, RL = 25 W, VO = 5 V

t − T ime − 1 ms/div

Figure 11.

TPS61070

OUTPUT VOLTAGE IN POWER-SAVE MODE

VI = 3.6 V, RL = 250 W, VO = 5 V

t − T ime − 20 ms/div

Figure 13.

Output Voltage	20 mV/div, AC
Inductor Current	100 mA/div, DC

Output Current 50 mA/div, DC

Output Voltage 50 mV/div, AC

TPS61070

OUTPUT VOLTAGE IN POWER-SAVE MODE

VI = 1.2 V, RL = 330 W, VO = 3.3 V

t − T ime − 10 ms/div

Figure 12.

TPS61071

LOAD TRANSIENT RESPONSE

VI = 1.2 V, IL = 20 mA to 80 mA, VO = 3.3 V

t − T ime − 2 ms/div

Figure 14.

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Product Folder Link(s): TPS61070 TPS61071 TPS61072 TPS61073

TPS61070, TPS61071

TPS61072, TPS61073

SLVS510C–JULY 2006–REVISED MARCH 2009

www.ti.com

Output Current 50 mA/div, DC

Output Voltage 50 mV/div, AC

Input Voltage 500 mV/div, AC

Output Voltage 50 mV/div, AC

TYPICAL CHARACTERISTICS (continued)

TPS61071

LOAD TRANSIENT RESPONSE

VI = 3.6 V, IL = 20 mA to 80 mA, VO = 5 V

t − T ime − 2 ms/div

Figure 15.

TPS61071

LINE TRANSIENT RESPONSE

VI = 3 V to 3.6 V, RL = 25 W, VO = 5 V

t − T ime − 2 ms/div

Figure 17.

Input Voltage 500 mV/div, AC

Output Voltage 20 mV/div, AC

Enable	5V/div,DC
OutputVoltage	1V/div,DC

TPS61071

LINE TRANSIENT RESPONSE

VI = 1.8 V to 2.4 V, RL = 33 W, VO = 3.3 V

t − T ime − 2 ms/div

Figure 16.

TPS61070

START-UP AFTER ENABLE

VI = 2.4 V,

RL = 33 !,

VO = 3.3 V

InductorCurrent	200mA/div,DC
VoltageatSW	2V/div,DC

t − Time − 200 µs/div

Figure 18.

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TPS61070, TPS61071

TPS61072, TPS61073

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SLVS510C–JULY 2006–REVISED MARCH 2009

TYPICAL CHARACTERISTICS (continued)

Enable	V/div, DC
Output Voltage	5
Output Voltage	2 V/div, DC

VI = 3.6 V,

RL = 50 W,

VO = 5 V

TPS61070								TPS61071
START-UP AFTER ENABLE							START-UP AFTER ENABLE
					Enable	5 V/div, DC	VI = 2.4 V,
			CurrentInductor	DCmA/div,200	VoltageOutput	DCV/div,1	RL = 33 W,
			CurrentInductor	DCmA/div,200	VoltageOutput	DCV/div,1	VO = 3.3 V
							VO = 3.3 V
			Voltage at SW	2 V/div, DC
t − T ime − 400 ms/div							t − T ime − 200 ms/div
Figure 19.								Figure 20.
					TPS61071
			START-UP AFTER ENABLE
Enable	5V/div,DC
Enable	5V/div,DC	VI = 3.6 V,
OutputVoltage		RL = 50 Ω,
	2V/div,DC	VO = 5 V
	2V/div,DC						InductorCurrent	200mA/div,DC
							VoltageatSW	2V/div,DC

t − Time − 400 µs/div

Figure 21.

Inductor Current	200 mA/div, DC
Voltage at SW	2 V/div, DC

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TYPICAL CHARACTERISTICS

Table of Graphs

TYPICAL CHARACTERISTICS