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ZHCSG87E February 2017 – August 2019 TPS61178

PRODUCTION DATA.

封裝選項

機械數據 (封裝 | 引腳)

RNW|13
- MPDS580B

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

7.5 Electrical Characteristics

over operating free-air temperature range, V_IN = 2.7 V to 14 V and V_OUT = 16 V, V_CC = 6 V, R_LIMIT = 80.6 kΩ. Typical values are at T_J= 25°C, (unless otherwise noted)

			MIN	TYP	MAX	UNIT
POWER SUPPLY
V_IN	Input voltage range		2.7		20	V
V_{IN_UVLO}	Input voltage under voltage lockout (UVLO) threshold	V_IN rising		2.6	2.7	V
V_{IN_UVLO}	Input voltage under voltage lockout (UVLO) threshold	V_IN falling		2.2	2.3
V_{IN_HYS}	VIN UVLO hysteresis			400		mV
V_CC	VCC regulation voltage	ICC = 5mA, VIN = 8V		6		V
V_{CC_UVLO}	VCC UVLO threshold	VCC falling		2.1		V
I_{Q (TPS61178)}	Quiescent current into V_IN pin	IC enabled, no load, no ext. FET V_IN = 6 V, V_OUT = 20 V, V_FB = 1.3 V, T_J up to 85 ?C		1.5	3	µA
	Quiescent current into V_IN pin	IC enabled, no load, no ext. FET V_IN = 20 V, V_OUT = 20 V, V_FB = 1.3 V,T_J up to 85 ?C		270	320	µA
	Quiescent current into V_OUT pin	IC enabled, no load, no ext. FET V_IN = 6 V, V_FB = 1.3 V, V_OUT= 20 V, T_J up to 85 ?C		250	300	µA
	Quiescent current into V_OUT pin	IC enabled, no load, no ext. FET V_IN = 20 V, V_OUT = 20 V, V_FB = 1.3 V, T_J up to 85 ?C		5	12	µA
I_SD	Shutdown current into V_IN pin	IC disabled, V_IN = 6 V, –40 °C ≤ T_J ≤ 85°C		1	3.5	µA
I_SD	Shutdown current into V_IN pin	IC disabled, VIN = 20 V, –40 °C ≤ T_J ≤ 85°C		3	6	µA
I_{LS_LKG}	Reverse leakage current into SW	IC disabled, VIN = V_OUT = SW = 20 V –40 °C ≤ T_J ≤ 85°C		0.1	6.5	µA
OUTPUT VOLTAGE
V_OUT	Output voltage range	Freq = 500kHz	4.5		20	V
V_OVP	Output over-voltage protection threshold	V_IN = 8 V, V_OUT rising	20.5	21	21.5	V
POWER SWITCHES
R_DS(on)	High-side MOSFET on resistance	V_CC = 6 V		16	25	mΩ
	Low-side MOSFET on resistance	V_CC= 6 V		16	25	mΩ
Gm	Power stage trans-conductance (peak current ratio with comp voltage)	V_CC = 6 V		12		A/V
CURRENT LIMIT
I_{LIM_SW}	TPS61178	R_LIMIT = 80.6 kΩ	6.4	8	9.4	A
I_{LIM_SW}	TPS611781	R_LIMIT = 80.6 kΩ	5.7	7.4	8.7	A
I_{LIM_SHORT}	TPS61178 short current limit			20		A
VOLTAGE REFERNCE
V_REF	Reference Voltage at FB pin	PWM mode	1.180	1.198	1.210	V
V_REF	Reference Voltage at FB pin	PFM mode		101%		V_REF
I_{FB_LKG}	Leakage current into FB pin			10	60	nA
EN / SYNC LOGIC
V_{EN_H}	EN Logic high threshold				1.2	V
V_{EN_L}	EN Logic Low threshold		0.4			V
R_EN	EN pulldown resistor			800		kΩ
V_{SYNC_H}	SYNC clock high threshold				1.2	V
V_{SYNC_L}	SYNC clock low threshold		0.4			V
ERROR AMPLIFIER
V_COMPH	COMP output high voltage	High threshold, V_FB= V_REF - 200 mV		1.9		V
V_COMPL	COMP output low voltage	Low threshold, V_FB = V_REF + 200 mV		1.25		V
G_mEA	Error amplifier trans conductance	V_COMP = 1.5 V		195		uS
I_SINK	Comp pin sink current	V_FB = V_REF + 200 mV, V_COMP = 1.5 V		20		uA
I_SOURCE	Comp pin source current	V_FB = V_REF–200 mV, V_COMP = 1.5 V		20		uA