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ZHCSP84A december 2022 – may 2023 TPS564252 , TPS564255 , TPS564257

PRODUCTION DATA

封裝選項

機械數據 (封裝 | 引腳)

DRL|6
- MPDS159I

散熱焊盤機械數據 (封裝 | 引腳)

訂購信息

zhcsp84a_oa

6.5 Electrical Characteristics

T_J = –40°C to 125°C, V_IN = 12 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
INPUT SUPPLY VOLTAGE
V_IN	Input voltage range	V_IN	3		17	V
I_VIN	VIN supply current	No load, V_EN = 5 V, V_FB = 0.65 V, non-switching, ECO version		100		μA
		No load, V_EN = 5 V, V_FB = 0.65 V, non-switching, FCCM version		370		μA
		No load, V_EN = 5 V, V_FB = 0.65 V, non-switching, OOA version		370		μA
I_INSDN	VIN shutdown current	No load, V_EN = 0 V		2		μA
UVLO
V_{IN_UVLO}	Input undervoltage lockout threshold	Rising threshold	2.80	2.92	3.00	V
		Falling threshold	2.60	2.72	2.80	V
		Hysteresis		200		mV
FEEDBACK VOLTAGE
V_REF	FB voltage	T_J = 25°C	594	600	606	mV
V_REF	FB voltage	T_J = –40°C to 125°C	591	600	609	mV
INTEGRATED POWER MOSFETS
R_{DSON_HS}	High-side MOSFET on-resistance	T_J = 25°C, V_IN ≥ 5 V		55.0		mΩ
R_{DSON_HS}	High-side MOSFET on-resistance	T_J = 25°C, V_IN = 3 V ⁽¹⁾		67.5		mΩ
R_{DSON_LS}	Low-side MOSFET on-resistance	T_J = 25°C, V_IN ≥ 5 V		24.3		mΩ
R_{DSON_LS}	Low-side MOSFET on-resistance	T_J = 25°C, V_IN = 3 V		30.2		mΩ
SWITCHING FREQUENCY
f_sw	Switching frequency	T_J = 25°C, V_OUT = 3.3 V		600		kHz
t_ON(MIN)⁽¹⁾	Minimum on time	T_J = 25°C		60		ns
t_OFF(MIN)⁽¹⁾	Minimum off time	V_FB = 0.5 V		110		ns
LOGIC THRESHOLD
V_ENH	EN threshold high level	Rising enable threshold	1.15	1.19	1.25	V
V_ENL	EN threshold low level	Falling disable threshold	0.90	1.00	1.10	V
V_ENHYS	EN hystersis	Hysteresis		190		mV
R_EN	EN pulldown resistor			2		MΩ
CURRENT LIMIT
I_{OCL_LS}	Overcurrent threshold	Valley current set point	4.1	5.5	6.7	A
I_NOC	Negative overcurrent threshold		1.7	2.4	2.8	A
SOFT START
t_SS	Internal soft start time			1.6		ms
OUTPUT OVERVOLTAGE AND UNDERVOLTAGE PROTECTION
V_OVP	OVP trip threshold	V_FB rising	110%	115%	120%
t_OVPDLY	OVP prop deglitch			24		μs
V_UVP	UVP trip threshold	V_FB falling	55%	60%	65%
t_UVPDLY	UVP prop deglitch			220		μs
t_UVPEN	Hiccup enable delay time	UVP detect		14		ms
POWER GOOD
V_PGTH	Power good threshold	FB falling, PG from high to low	80%	85%	90%
		FB rising, PG from low to high	85%	90%	95%
		FB falling, PG from low to high	105%	110%	115%
		FB rising, PG from high to low	110%	115%	120%
V_PG(OL)	PG pin output low-level voltage	I_OL = 4 mA			0.4	V
I_PG(LKG)	PG pin leakage current when open drain output is high	V_PG = 5.5 V			1	μA
t_PG(R)	PG delay going from low to high			1		ms
t_PG(F)	PG delay going from high to low			28		μs
THERMAL SHUTDOWN
T_SDN⁽¹⁾	Thermal shutdown threshold	Shutdown temperature		155		°C
T_OTPHSY⁽¹⁾	Thermal shutdown threshold	Hysteresis		20		°C

(1) Specified by design